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1. The addition of silicon nitride to PMMA bone cements reduces bacterial attachment while supporting preosteoblast viability

Author

Ioannis Katsaros, Estefanía Echeverri, Håkan Engqvist, Cecilia Persson, and Wei Xia

Subjects
PMMA, Silicon nitride, Antibacterial, Bone cements, Cytotoxicity, Technology
Abstract

Injectable poly (methyl methacrylate) (PMMA) bone cements are widely used in orthopaedics to stabilize fractures and for implant fixation. However, bacterial attachment to bone cements leads to significant complications that can create a need for implant revision. Common attempts at reducing bacterial attachment are through the addition of antibiotics or antibacterial nanometals to the bone cements. However, clinical data is inconclusive on the effectiveness of antibiotic-loaded bone cements and a negative osteoblastic response has been reported for certain additive concentrations. There is therefore a need for an additive that can positively affect osteoblastic behaviour while inhibiting bacterial attachment. Silicon nitride (Si3N4) could be such an additive, with initial studies showing promise in achieving antipathogenic properties. The aim of this study was hence to investigate the possibility of creating a bone cement that can support osteoblast growth while reducing bacterial attachment by introducing silicon nitride powders into an injectable PMMA cement. To this end, commercially available bone cements were doped with 5%, 10% and 20% weight/weight (w/w) of Si3N4. Their mechanical properties were examined through compression testing and their radiopacity was evaluated through fluoroscopy imaging. The samples that fulfilled compressive strength requirements had their biological properties tested using Staphylococcus epidermidis bacteria for antibacterial properties and MC3T3-E1 preosteoblasts for the examination of cytotoxicity. Bone cements that were doped with up to 20% w/w Si3N4 were radiopaque (only 13% reduction in optical density compared to radiopaque controls) and retained their compressive strength (85.35 ± 2.1 MPa compared to 83.4 ± 1.9 MPa for the commercial cements), while significantly reducing bacterial attachment by more than 90% compared to commercial cements and achieving a similar level of preosteoblast metabolic activity. This study supports further evaluation of Si3N4 as an additive to injectable bone cements as a way to create mechanically stable, radiopaque, bacteriostatic bone cements that could improve osteointegration.

Published
2024
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2. An extremely rare clinical manifestation of acute appendicitis in a nonagenarian patient: lessons still to be learned

Author

Anargyros Bakopoulos, Nikolaos Koliakos, Ioannis Katsaros, Natasha Hasemaki, Dimitrios Tsapralis, Diamantis I. Tsilimigras, Dimitrios Moris, and Dimitrios Schizas

Subjects
Medicine
Abstract

Abstract Acute appendicitis is associated with a relatively high mortality rate among elderly patients due to the unusual clinical presentation that often leads to misdiagnosis and, in turn, severe complications. This report describes an extremely uncommon clinical manifestation of acute appendicitis in an elderly patient - a subcutaneous abdominal wall abscess initially treated as cellulitis. Despite the initial misdiagnosis, contrast-enhanced computed tomography revealed a circumscribed inflammatory process of the appendix that was in close proximity to the abdominal wall. The patient underwent a surgical drainage of the abscess, received broad-spectrum antibiotics, and was discharged on day 12 following an uneventful course. Diagnosis of acute appendicitis in elderly patients is challenging due to the atypical clinical presentation and co-existing comorbidities that can be misleading. Early application of high-resolution imaging techniques is necessary to identify the cause of acute abdomen in the elderly population.

Published
2022
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3. Primary Angiosarcoma of the Gastrointestinal Tract: A Systematic Review of the Literature

Author

Dimitrios Schizas, Aikaterini Mastoraki, Ilias Giannakodimos, Alexios Giannakodimos, Afroditi Ziogou, Ioannis Katsaros, Maximos Frountzas, Ioannis Koutelidakis, Pantelis Vassiliu, and Emmanouil Pikoulis

Subjects
angiosarcoma, gastrointestinal tract, clinical evidence, diagnostic approach, therapeutic management, surgical resection, Surgery, RD1-811
Abstract

Primary Gastrointestinal Angiosarcoma (PGAS) constitutes a rare malignant tumor arising from vascular or lymphatic endothelial cells. The aim of this study was to review the available literature on PGAS and to elucidate its biological behavior and optimal therapeutic approach. PubMed and Embase bibliographical databases were systematically searched (last search April 8th, 2020) for studies concerning PGAS. Ninety-eight studies met our inclusion criteria, involving 110 patients (male/female = 1.5) with an age of 62.40 ± 17.84 (mean, SD) years. They were most frequently located at small (44.5%) and large intestine (35.5%), while 12.7% were multifocal. Surgical resection of the tumor was conducted at 84.0% of the cases combined with adjuvant therapy at 12.3%. One-year cumulative survival was 55.18% (95% CI: 34.33%–71.84%) for large intestine, 30.2% (95% CI: 17.1%–44.5%) for small intestine, whereas multifocal PGAS had a 6-months cumulative survival of 23.08% (95% CI: 5.58%–47.46%). Therefore, PGAS is an extremely rare entity with atypical clinical presentation, challenging diagnosis and aggressive behavior. High clinical suspicion is crucial for its prompt management. Further studies and the development of novel therapeutic agents are required in order to improve survival.

Published
2022
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4. Primary Squamous Cell Carcinoma of Colon and Rectum: A Systematic Review of the Literature

Author

Dimitrios Schizas, Ioannis Katsaros, Aikaterini Mastoraki, Nina-Rafailia Karela, Despoina Zampetaki, Ioannis I. Lazaridis, Dimitrios Tsapralis, and George E. Theodoropoulos

Subjects
squamous cell carcinoma, large intestine, colon, rectum, rare neoplasms, Surgery, RD1-811
Abstract

Background - Objective: Primary colorectal squamous cell carcinoma is an extremely rare neoplasm with an incidence of 0.1 to 0.25 per 1,000 diagnosed colorectal carcinomas.The objective of this study was to evaluate its biological behavior and highlight the role of a surgical approach for its management. Methods PubMed and Cohrane databases were independently searched (last search: April 10th, 2020) for articles concerning colorectal squamous cell carcinoma in adult population. Results: Seventy-one studies met predefined inclusion criteria and involved 99 patients (54.5% females) with an age of 56.98 ± 12.19 years (mean ± SD). The most frequent site of occurrence was the rectum (63.5%). Open surgery was conducted at 95% of patients, while 21.4% and 30.3% received neoadjuvant and adjuvant therapy respectively.Postoperative complications were developed in 31.3% of patients, while 6.1% died withing the first month following operation. Five-years survival rate was 49.5% (95% CI: 33.7%-63.4%). Female sex (HR: 0.24; 95% CI: 0.11–0.54; p-value: 0.001) and presence of postoperative complications (HR: 4.10; 95%CI: 1.47–1.46; p-value: 0.007) significantly affected the survival. Conclusions Colorectal Squamous Cell Carcinoma is a rare tumor with an aggressive behavior. Surgery is the standard of treatment for the colontumors, while the role of chemoradiotherapy is promising especially for rectal tumors. Further clinical trials are necessary to determine the preferred treatment approach.

Published
2022
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5. Nonalcoholic fatty liver disease: The role of quercetin and its therapeutic implications

Author

Maria Sotiropoulou, Ioannis Katsaros, Michail Vailas, Irene Lidoriki, George V Papatheodoridis, Nikolaos G Kostomitsopoulos, Georgia Valsami, Alexandra Tsaroucha, and Dimitrios Schizas

Subjects
flavonoids, liver, nonalcoholic fatty liver disease, nonalcoholic steatohepatitis, quercetin, Diseases of the digestive system. Gastroenterology, RC799-869
Abstract

Nonalcoholic fatty liver disease (NAFLD) is the most common form of chronic liver disease, affecting almost one-third of the general population and 75% of obese patients with type 2 diabetes. The aim of this article is to review the current evidence concerning the role of quercetin, a natural compound and flavonoid, and its possible therapeutic effects on this modern-day disease. Despite the fact that the exact pathophysiological mechanisms through which quercetin has a hepatoprotective effect on NAFLD are still not fully elucidated, this review clearly demonstrates that this flavonoid has potent antioxidative stress action and inhibitory effects on hepatocyte apoptosis, inflammation, and generation of reactive oxygen species, factors which are linked to the development of the disease. NAFLD is closely associated with increased dietary fat consumption, especially in Western countries. The hepatoprotective effect of quercetin against NAFLD merits serious consideration and further validation by future studies.

Published
2021
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6. Bioactive Silicon Nitride Implant Surfaces with Maintained Antibacterial Properties

Author

Ioannis Katsaros, Yijun Zhou, Ken Welch, Wei Xia, Cecilia Persson, and Håkan Engqvist

Subjects
bioactivity, silicon nitride, surfaces, antibacterial, biomedical, Biotechnology, TP248.13-248.65, Medicine (General), R5-920
Abstract

Silicon nitride (Si3N4) is a promising biomaterial, currently used in spinal fusion implants. Such implants should result in high vertebral union rates without major complications. However, pseudarthrosis remains an important complication that could lead to a need for implant replacement. Making silicon nitride implants more bioactive could lead to higher fusion rates, and reduce the incidence of pseudarthrosis. In this study, it was hypothesized that creating a highly negatively charged Si3N4 surface would enhance its bioactivity without affecting the antibacterial nature of the material. To this end, samples were thermally, chemically, and thermochemically treated. Apatite formation was examined for a 21-day immersion period as an in-vitro estimate of bioactivity. Staphylococcus aureus bacteria were inoculated on the surface of the samples, and their viability was investigated. It was found that the thermochemically and chemically treated samples exhibited enhanced bioactivity, as demonstrated by the increased spontaneous formation of apatite on their surface. All modified samples showed a reduction in the bacterial population; however, no statistically significant differences were noticed between groups. This study successfully demonstrated a simple method to improve the in vitro bioactivity of Si3N4 implants while maintaining the bacteriostatic properties.

Published
2022
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9. Video-assisted thoracoscopic versus open sleeve lobectomy for non-small cell lung cancer: A systematic review and meta-analysis from six comparative studies

Author

Georgios Geropoulos, Stepan M Esagian, Konstantinos Skarentzos, Ioannis A Ziogas, Ioannis Katsaros, Dimitrios Kosmidis, Georgios Tsoulfas, David Lawrence, and Nikolaos Panagiotopoulos

Subjects
Pulmonary and Respiratory Medicine, Lung Neoplasms, Treatment Outcome, Thoracic Surgery, Video-Assisted, Carcinoma, Non-Small-Cell Lung, Humans, Surgery, General Medicine, Pneumonectomy, Cardiology and Cardiovascular Medicine, Retrospective Studies
Abstract

Background Lung sleeve resection is indicated for centrally located lung tumors, especially for patients who cannot tolerate pneumonectomy. With video-assisted thoracoscopic surgery (VATS) being increasingly implemented for a wide variety of thoracic pathologies, this study aims to compare the intraoperative, postoperative, and long-term outcomes of VATS and open bronchial sleeve lobectomy for non-small cell lung cancer (NSCLC). Methods The MEDLINE (via PubMed), Cochrane Library, and Scopus databases were searched. Original clinical studies, comparing VATS and open sleeve lobectomy for NSCLC were included. Evidence was synthesized as odds ratios for categorical and weighted mean difference (WMD) for continuous variables. Results Our analysis included six studies with non-overlapping populations reporting on 655 patients undergoing bronchial sleeve lobectomy for NSCLC (229 VATS and 426 open). VATS sleeve lobectomy was associated with significantly longer operative time ((WMD): 45.85 min, 95% confidence interval (CI): 12.06 to 79.65, p = 0.01) but less intraoperative blood loss ((WMD): −34.57 mL, 95%CI: −58.35 to −10.78, p Conclusions The limitation of our study arises mainly due to the heterogeneity of the included studies. Nevertheless, VATS bronchial sleeve lung resection constitutes a feasible and safe alternative to the open sleeve lung resection surgery for the management of centrally located lung tumors.

Published
2022
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10. Pediatric trauma and emergency surgery: an international cross-sectional survey among WSES members

Author

Reichert, Martin, Sartelli, Massimo, Askevold, Ingolf H, Braun, Jaqueline, Weigand, Markus A, Hecker, Matthias, Agnoletti, Vanni, Coccolini, Federico, Catena, Fausto, Padberg, Winfried, Riedel, Jens G, Hecker, Andreas, Agron Dogjani, Akira Kuriyama, Alberto Porcu, Aleix Martínez-Pérez, Alessandro Coppola, Alessandro Spolini, Alessio Giordano, Alexandros Kyriakidis, Ali Yasen Y Mohamedahmed, Anastasia Vasilopoulou, Andee Dzulkarnaen Zakaria, Andrea Balla, Andreas Fette, Andrey Litvin, Anna Guariniello, Arda Isik, Aristotelis Kechagias, Ashrarur Rahman Mitul, Belinda De Simone, Biagio Zampogna, Bruno Sensi, Carlo Gazia, Charalampos Seretis, Cristine Brooke, Davide Luppi, Diego Coletta, Diego Sasia, Diletta Corallino, Dimitrios Chatzipetris, Dimitrios Schizas, Eftychios Lostoridis, Elmuiz A Hsabo, Emmanouil Kaouras, Emmanuel Schneck, Enrico Pinotti, Evgeni Dimitrov, Fabrizio D'Acapito, Federica Saraceno, Fikri Abu-Zidan, Francesca Maria Silvestri, Francesco Favi, Francesco Fleres, Francesk Mulita, Gabriela Nita, Gennaro Martines, Gennaro Mazzarella, Gennaro Perrone, Giorgio Giraudo, Giulia Bacchiocchi, Giulio Argenio, Giuseppe Brisinda, Giuseppe Currò, Giuseppe Palomba, Gustavo P Fraga, Hytham K S Hamid, Ioannis Katsaros, Ionut Negoi, Joel Noutakdie Tochie, Justin Davies, Kenneth Y Y Kok, Konstantinos G Apostolou, Konstantinos Lasithiotakis, Konstantinos Tsekouras, Larysa Sydorchuk, Leandro Siragusa, Leonardo Solaini, Luca Ferrario, Luis Buonomo, Maciej Walędziak, Mahir Gachabayov, Maloni Bulanauca, Manish Kumar Agrawal, Marco Ceresoli, Maria Chiara Ranucci, Maria Petridou, Mario D'Oria, Massimiliano Veroux, Maximos Frountzas, Michel Paul Johan Teuben, Miklosh Bala, Mirja Amadea Minger, Miroslava Gonçalves, Natasha Sharma, Nicolò Tamini, Noushif Medappil, Orestis Ioannidis, Pietro Bisagni, Razrim Rahim, Ricardo Alessandro Teixeira Gonsaga, Roberta Ragozzino, Roberto Bini, Roberto Cammarata, Ruslan Sydorchuk, Salomone Di Saverio, Selmy S Awad, Semra Demirli Atici, Serhat Meric, Sharfuddin Chowdhury, Sofia Xenaki, Tadeja Pintar, Teresa Perra, Timothy C Hardcastle, Valerio Voglino, Varut Lohsiriwat, Victor Kong, Voskidis Christos, Wietse Zuidema, Reichert, Martin, Sartelli, Massimo, Askevold, Ingolf H, Braun, Jaqueline, Weigand, Markus A, Hecker, Matthia, Agnoletti, Vanni, Coccolini, Federico, Catena, Fausto, Padberg, Winfried, Riedel, Jens G, Hecker, Andrea, Agron Dogjani, Akira Kuriyama, Alberto Porcu, Aleix Martínez-Pérez, Alessandro Coppola, Alessandro Spolini, Alessio Giordano, Alexandros Kyriakidis, Ali Yasen Y Mohamedahmed, Anastasia Vasilopoulou, Andee Dzulkarnaen Zakaria, Andrea Balla, Andreas Fette, Andrey Litvin, Anna Guariniello, Arda Isik, Aristotelis Kechagias, Ashrarur Rahman Mitul, Belinda De Simone, Biagio Zampogna, Bruno Sensi, Carlo Gazia, Charalampos Seretis, Cristine Brooke, Davide Luppi, Diego Coletta, Diego Sasia, Diletta Corallino, Dimitrios Chatzipetris, Dimitrios Schizas, Eftychios Lostoridis, Elmuiz A Hsabo, Emmanouil Kaouras, Emmanuel Schneck, Enrico Pinotti, Evgeni Dimitrov, Fabrizio D'Acapito, Federica Saraceno, Fikri Abu-Zidan, Francesca Maria Silvestri, Francesco Favi, Francesco Fleres, Francesk Mulita, Gabriela Nita, Gennaro Martines, Gennaro Mazzarella, Gennaro Perrone, Giorgio Giraudo, Giulia Bacchiocchi, Giulio Argenio, Giuseppe Brisinda, Giuseppe Currò, Giuseppe Palomba, Gustavo P Fraga, Hytham K S Hamid, Ioannis Katsaros, Ionut Negoi, Joel Noutakdie Tochie, Justin Davies, Kenneth Y Y Kok, Konstantinos G Apostolou, Konstantinos Lasithiotakis, Konstantinos Tsekouras, Larysa Sydorchuk, Leandro Siragusa, Leonardo Solaini, Luca Ferrario, Luis Buonomo, Maciej Walędziak, Mahir Gachabayov, Maloni Bulanauca, Manish Kumar Agrawal, Marco Ceresoli, Maria Chiara Ranucci, Maria Petridou, Mario D'Oria, Massimiliano Veroux, Maximos Frountzas, Michel Paul Johan Teuben, Miklosh Bala, Mirja Amadea Minger, Miroslava Gonçalves, Natasha Sharma, Nicolò Tamini, Noushif Medappil, Orestis Ioannidis, Pietro Bisagni, Razrim Rahim, Ricardo Alessandro Teixeira Gonsaga, Roberta Ragozzino, Roberto Bini, Roberto Cammarata, Ruslan Sydorchuk, Salomone Di Saverio, Selmy S Awad, Semra Demirli Atici, Serhat Meric, Sharfuddin Chowdhury, Sofia Xenaki, Tadeja Pintar, Teresa Perra, Timothy C Hardcastle, Valerio Voglino, Varut Lohsiriwat, Victor Kong, Voskidis Christos, Wietse Zuidema, Reichert, M, Sartelli, M, Askevold, I, Braun, J, Weigand, M, Hecker, M, Agnoletti, V, Coccolini, F, Catena, F, Padberg, W, Riedel, J, Hecker, A, Dogjani, A, Kuriyama, A, Porcu, A, Martinez-Perez, A, Coppola, A, Spolini, A, Giordano, A, Kyriakidis, A, Mohamedahmed, A, Vasilopoulou, A, Zakaria, A, Balla, A, Fette, A, Litvin, A, Guariniello, A, Isik, A, Kechagias, A, Mitul, A, De Simone, B, Zampogna, B, Sensi, B, Gazia, C, Seretis, C, Brooke, C, Luppi, D, Coletta, D, Sasia, D, Corallino, D, Chatzipetris, D, Schizas, D, Lostoridis, E, Hsabo, E, Kaouras, E, Schneck, E, Pinotti, E, Dimitrov, E, D'Acapito, F, Saraceno, F, Abu-Zidan, F, Silvestri, F, Favi, F, Fleres, F, Mulita, F, Nita, G, Martines, G, Mazzarella, G, Perrone, G, Giraudo, G, Bacchiocchi, G, Argenio, G, Brisinda, G, Curro, G, Palomba, G, Fraga, G, Hamid, H, Katsaros, I, Negoi, I, Tochie, J, Davies, J, Kok, K, Apostolou, K, Lasithiotakis, K, Tsekouras, K, Sydorchuk, L, Siragusa, L, Solaini, L, Ferrario, L, Buonomo, L, Waledziak, M, Gachabayov, M, Bulanauca, M, Agrawal, M, Ceresoli, M, Ranucci, M, Petridou, M, D'Oria, M, Veroux, M, Frountzas, M, Teuben, M, Bala, M, Minger, M, Goncalves, M, Sharma, N, Tamini, N, Medappil, N, Ioannidis, O, Bisagni, P, Rahim, R, Gonsaga, R, Ragozzino, R, Bini, R, Cammarata, R, Sydorchuk, R, Di Saverio, S, Awad, S, Atici, S, Meric, S, Chowdhury, S, Xenaki, S, Pintar, T, Perra, T, Hardcastle, T, Voglino, V, Lohsiriwat, V, Kong, V, Christos, V, Zuidema, W, Surgery, AMS - Musculoskeletal Health, APH - Quality of Care, and Other Research

Subjects
appendicitis, children, emergency, emergency surgery, injury, pediatric surgery, pediatric trauma, trauma surgery, wses, Pediatric trauma, Emergency, Emergency Medicine, Emergency surgery, Appendiciti, Surgery, Injury, WSES, Pediatric surgery, Appendicitis, Children, Trauma surgery
Abstract

Background In contrast to adults, the situation for pediatric trauma care from an international point of view and the global management of severely injured children remain rather unclear. The current study investigates structural management of pediatric trauma in centers of different trauma levels as well as experiences with pediatric trauma management around the world. Methods A web-survey had been distributed to the global mailing list of the World Society of Emergency Surgery from 10/2021–03/2022, investigating characteristics of respondents and affiliated hospitals, case-load of pediatric trauma patients, capacities and infrastructure for critical care in children, trauma team composition, clinical work-up and individual experiences with pediatric trauma management in response to patients´ age. The collaboration group was subdivided regarding sizes of affiliated hospitals to allow comparisons concerning hospital volumes. Comparable results were conducted to statistical analysis. Results A total of 133 participants from 34 countries, i.e. 5 continents responded to the survey. They were most commonly affiliated with larger hospitals (> 500 beds in 72.9%) and with level I or II trauma centers (82.0%), respectively. 74.4% of hospitals offer unrestricted pediatric medical care, but only 63.2% and 42.9% of the participants had sufficient experiences with trauma care in children ≤ 10 and ≤ 5 years of age (p = 0.0014). This situation is aggravated in participants from smaller hospitals (p 500 in-hospital beds), larger hospitals were more likely affiliated with advanced trauma centers, more elaborated pediatric intensive care infrastructure (p p = 0.0938) and have higher case-loads of severely injured children p = 0.0009). Therefore, the majority of larger hospitals reserve either pediatric surgery departments or board-certified pediatric surgeons (p Conclusions Multi-professional management of pediatric trauma and individual experiences with severely injured children depend on volumes, level of trauma centers and infrastructure of the hospital. However, respondents from hospitals at all levels of trauma care complain about an alarming lack of knowledge on pediatric trauma management.

Published
2023
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11. Two years later: Is the SARS-CoV-2 pandemic still having an impact on emergency surgery? An international cross-sectional survey among WSES members

Author

Reichert, Martin, Sartelli, Massimo, Weigand, Markus A, Hecker, Matthias, Oppelt, Philip U, Noll, Julia, Askevold, Ingolf H, Liese, Juliane, Padberg, Winfried, Coccolini, Federico, Catena, Fausto, Hecker, Andreas, Adam Peckham-Cooper, Adrian Camacho-Ortiz, Aikaterini T. Mastoraki, Aitor Landaluce-Olavarria, Ajay Kumar Pal, Akira Kuriyama, Alain Chichom-Mefire, Alberto Porcu, Aleix Martínez-Pérez, Aleksandar R. Karamarkovic, Aleksei V. Osipov, Alessandro Coppola, Alessandro Cucchetti, Alessandro Spolini, Alessio Giordano, Alexander Reinisch-Liese, Alfie J. Kavalakat, Alin Vasilescu, Amin Alamin, Amit Gupta, Ana Maria Dascalu, Ana-Maria Musina, Anargyros Bakopoulos, Andee Dzulkarnaen Zakaria, Andras Vereczkei, Andrea Balla, Andrea Bottari, Andreas Baumann, Andreas Fette, Andrey Litvin, Aniella Katharina Reichert, Anna Guariniello, Anna Paspala, Anne-Sophie Schneck, Antonio Brillantino, Antonio Pesce, Arda Isik, Ari Kalevi Leppäniemi, Aristeidis Papadopoulos, Aristotelis Kechagias, Ashraf Yehya Abdalla Mohamed, Ashrarur Rahman Mitul, Athanasios Marinis, Athanasios Syllaios, Baris Mantoglu, Belinda De Simone, Benjamin Stefan Weiss, Bernd Pösentrup, Biagio Picardi, Biagio Zampogna, Boris Eugeniev Sakakushev, Boyko Chavdarov Atanasov, Bruno Nardo, Bulent Calik, Camilla Cremonini, Carlos A. Ordoñez, Charalampos Seretis, Chiara Cascone, Christos Chouliaras, Cino Bendinelli, Claudia Lopes, Claudio Guerci, Clemens Weber, Constantinos Nastos, Cristian Mesina, Damiano Caputo, Damien Massalou, Davide Cavaliere, Deborah A. McNamara, Demetrios Demetriades, Desirè Pantalone, Diego Coletta, Diego Sasia, Diego Visconti, Dieter G. Weber, Diletta Corallino, Dimitrios Chatzipetris, Dimitrios K. Manatakis, Dimitrios Ntourakis, Dimitrios Papaconstantinou, Dimitrios Schizas, Dimosthenis Chrysikos, Dmitry Mikhailovich Adamovich, Doaa Elkafrawy, Dragos Seban, Edgar Fernando Hernandez García, Edoardo Baldini, Edoardo Picetti, Edward C. T. H. Tan, Efstratia Baili, Eftychios Lostoridis, Elena Adelina Toma, Elif Colak, Elisabetta Cerutti, Elmin Steyn, Elmuiz A. Hsabo, Emmanouil Ioannis Kapetanakis, Emmanouil Kaouras, Emmanuel Schneck, Emrah Akin, Emre Gonullu, Enes çelik, Enrico Cicuttin, Enrico Pinotti, Erik Johnsson, Ernest E. Moore, Ervis Agastra, Evgeni Nikolaev Dimitrov, Ewen A. Griffiths, Fabrizio D’Acapito, Federica Saraceno, Felipe Alconchel, Felix Alexander Zeppernick, Fernando Machado Rodríguez, Fikri Abu-Zidan, Francesca Pecchini, Francesco Favi, Francesco Ferrara, Francesco Fleres, Francesco Pata, Francesco Pietro Maria Roscio, Francesk Mulita, Frank J. M. F. Dor, Fredrik Linder, Gabriel Dimofte, Gabriel Rodrigues, Gabriela Nita, Gabriele Sganga, Gennaro Martines, Gennaro Mazzarella, Gennaro Perrone, George Velmahos, Georgios D. Lianos, Gia Tomadze, Gian Luca Baiocchi, Giancarlo D’Ambrosio, Gianluca Pellino, Gianmaria Casoni Pattacini, Giorgio Giraudo, Giorgio Lisi, Giovanni Domenico Tebala, Giovanni Pirozzolo, Giulia Montori, Giulio Argenio, Giuseppe Brisinda, Giuseppe Currò, Giuseppe Giuliani, Giuseppe Palomba, Giuseppe Roscitano, Gökhan Avşar, Goran Augustin, Guglielmo Clarizia, Gustavo M. Machain Vega, Gustavo P. Fraga, Harsheet Sethi, Hazim Abdulnassir Eltyeb, Helmut A. Segovia Lohse, Herald René Segovia Lohse, Hüseyin Bayhan, Hytham K. S. Hamid, Igor A. Kryvoruchko, Immacolata Iannone, Imtiaz Wani, Ioannis I. Lazaridis, Ioannis Katsaros, Ioannis Nikolopoulos, Ionut Negoi, Isabella Reccia, Isidoro Di Carlo, Iyiade Olatunde Olaoye, Jacek Czepiel, Jae Il Kim, Jeremy Meyer, Jesus Manuel Saenz Terrazas, Joel Noutakdie Tochie, Joseph M. Galante, Justin Davies, Kapil Sugand, Kebebe Bekele Gonfa, Kemal Rasa, Kenneth Y. Y. Kok, Konstantinos G. Apostolou, Konstantinos Lasithiotakis, Konstantinos Tsekouras, Kumar Angamuthu, Lali Akhmeteli, Larysa Sydorchuk, Laura Fortuna, Leandro Siragusa, Leonardo Pagani, Leonardo Solaini, Lisa A. Miller, Lovenish Bains, Luca Ansaloni, Luca Ferrario, Luigi Bonavina, Luigi Conti, Luis Antonio Buonomo, Luis Tallon-Aguilar, Lukas Tomczyk, Lukas Werner Widmer, Maciej Walędziak, Mahir Gachabayov, Maloni M. Bulanauca, Manu L. N. G. Malbrain, Marc Maegele, Marco Catarci, Marco Ceresoli, Maria Chiara Ranucci, Maria Ioanna Antonopoulou, Maria Papadoliopoulou, Maria Rosaria Valenti, Maria Sotiropoulou, Mario D’Oria, Mario Serradilla Martín, Markus Hirschburger, Massimiliano Veroux, Massimo Fantoni, Matteo Nardi, Matti Tolonen, Mauro Montuori, Mauro Podda, Maximilian Scheiterle, Maximos Frountzas, Mehmet Sarıkaya, Mehmet Yildirim, Michael Bender, Michail Vailas, Michel Teuben, Michela Campanelli, Michele Ammendola, Michele Malerba, Michele Pisano, Mihaela Pertea, Mihail Slavchev, Mika Ukkonen, Miklosh Bala, Mircea Chirica, Mirko Barone, Mohamed Maher Shaat, Mohammed Jibreel Suliman Mohammed, Mona Awad Akasha Abuelgasim, Monika Gureh, Mouaqit Ouadii, Mujdat Balkan, Mumin Mohamed, Musluh Hakseven, Natalia Velenciuc, Nicola Cillara, Nicola de’Angelis, Nicolò Tamini, Nikolaos J. Zavras, Nikolaos Machairas, Nikolaos Michalopoulos, Nikolaos N. Koliakos, Nikolaos Pararas, Noel E. Donlon, Noushif Medappil, Offir Ben-Ishay, Olmi Stefano, Omar Islam, Ömer Tammo, Orestis Ioannidis, Oscar Aparicio, Oussama Baraket, Pankaj Kumar, Pasquale Cianci, Per Örtenwall, Petar Angelov Uchikov, Philip de Reuver, Philip F. Stahel, Philip S. Barie, Micaela Piccoli, Piotr Major, Pradeep H. Navsaria, Prakash Kumar Sasmal, Raul Coimbra, Razrim Rahim, Recayi Çapoğlu, Renol M. Koshy, Ricardo Alessandro Teixeira Gonsaga, Riccardo Pertile, Rifat Ramadan Mussa Mohamed, Rıza Deryol, Robert G. Sawyer, Roberta Angelico, Roberta Ragozzino, Roberto Bini, Roberto Cammarata, Rosa Scaramuzzo, Rossella Gioco, Ruslan Sydorchuk, Salma Ahmed, Salomone Di Saverio, Sameh Hany Emile, Samir Delibegovic, Sanjay Marwah, Savvas Symeonidis, Scott G. Thomas, Sebahattin Demir, Selmy S. Awad, Semra Demirli Atici, Serge Chooklin, Serhat Meric, Sevcan Sarıkaya, Sharfuddin Chowdhury, Shaza Faycal Mirghani, Sherry M. Wren, Simone Gargarella, Simone Rossi Del Monte, Sofia Esposito, Sofia Xenaki, Soliman Fayez Ghedan Mohamed, Solomon Gurmu Beka, Sorinel Lunca, Spiros G. Delis, Spyridon Dritsas, Stefan Morarasu, Stefano Magnone, Stefano Rossi, Stefanos Bitsianis, Stylianos Kykalos, Suman Baral, Sumita A. Jain, Syed Muhammad Ali, Tadeja Pintar, Tania Triantafyllou, Tarik Delko, Teresa Perra, Theodoros A. Sidiropoulos, Thomas M. Scalea, Tim Oliver Vilz, Timothy Craig Hardcastle, Tongporn Wannatoop, Torsten Herzog, Tushar Subhadarshan Mishra, Ugo Boggi, Valentin Calu, Valentina Tomajer, Vanni Agnoletti, Varut Lohsiriwat, Victor Kong, Virginia Durán Muñoz-Cruzado, Vishal G. Shelat, Vladimir Khokha, Wagih Mommtaz Ghannam, Walter L. Biffl, Wietse Zuidema, Yasin Kara, Yoshiro Kobe, Zaza Demetrashvili, Ziad A. Memish, Zoilo Madrazo, Zsolt J. Balogh, Zulfu Bayhan, Surgery, AMS - Musculoskeletal Health, Other Research, APH - Quality of Care, Reichert, Martin, Sartelli, Massimo, Weigand, Markus A, Hecker, Matthia, Oppelt, Philip U, Noll, Julia, Askevold, Ingolf H, Liese, Juliane, Padberg, Winfried, Coccolini, Federico, Catena, Fausto, Hecker, Andrea, Adam Peckham-Cooper, Adrian Camacho-Ortiz, Aikaterini T. Mastoraki, Aitor Landaluce-Olavarria, Ajay Kumar Pal, Akira Kuriyama, Alain Chichom-Mefire, Alberto Porcu, Aleix Martínez-Pérez, Aleksandar R. Karamarkovic, Aleksei V. Osipov, Alessandro Coppola, Alessandro Cucchetti, Alessandro Spolini, Alessio Giordano, Alexander Reinisch-Liese, Alfie J. Kavalakat, Alin Vasilescu, Amin Alamin, Amit Gupta, Ana Maria Dascalu, Ana-Maria Musina, Anargyros Bakopoulos, Andee Dzulkarnaen Zakaria, Andras Vereczkei, Andrea Balla, Andrea Bottari, Andreas Baumann, Andreas Fette, Andrey Litvin, Aniella Katharina Reichert, Anna Guariniello, Anna Paspala, Anne-Sophie Schneck, Antonio Brillantino, Antonio Pesce, Arda Isik, Ari Kalevi Leppäniemi, Aristeidis Papadopoulos, Aristotelis Kechagias, Ashraf Yehya Abdalla Mohamed, Ashrarur Rahman Mitul, Athanasios Marinis, Athanasios Syllaios, Baris Mantoglu, Belinda De Simone, Benjamin Stefan Weiss, Bernd Pösentrup, Biagio Picardi, Biagio Zampogna, Boris Eugeniev Sakakushev, Boyko Chavdarov Atanasov, Bruno Nardo, Bulent Calik, Camilla Cremonini, Carlos A. Ordoñez, Charalampos Seretis, Chiara Cascone, Christos Chouliaras, Cino Bendinelli, Claudia Lopes, Claudio Guerci, Clemens Weber, Constantinos Nastos, Cristian Mesina, Damiano Caputo, Damien Massalou, Davide Cavaliere, Deborah A. McNamara, Demetrios Demetriades, Desirè Pantalone, Diego Coletta, Diego Sasia, Diego Visconti, Dieter G. Weber, Diletta Corallino, Dimitrios Chatzipetris, Dimitrios K. Manatakis, Dimitrios Ntourakis, Dimitrios Papaconstantinou, Dimitrios Schizas, Dimosthenis Chrysikos, Dmitry Mikhailovich Adamovich, Doaa Elkafrawy, Dragos Seban, Edgar Fernando Hernandez García, Edoardo Baldini, Edoardo Picetti, Edward C. T. H. Tan, Efstratia Baili, Eftychios Lostoridis, Elena Adelina Toma, Elif Colak, Elisabetta Cerutti, Elmin Steyn, Elmuiz A. Hsabo, Emmanouil Ioannis Kapetanakis, Emmanouil Kaouras, Emmanuel Schneck, Emrah Akin, Emre Gonullu, Enes çelik, Enrico Cicuttin, Enrico Pinotti, Erik Johnsson, Ernest E. Moore, Ervis Agastra, Evgeni Nikolaev Dimitrov, Ewen A. Griffiths, Fabrizio D’Acapito, Federica Saraceno, Felipe Alconchel, Felix Alexander Zeppernick, Fernando Machado Rodríguez, Fikri Abu-Zidan, Francesca Pecchini, Francesco Favi, Francesco Ferrara, Francesco Fleres, Francesco Pata, Francesco Pietro Maria Roscio, Francesk Mulita, Frank J. M. F. Dor, Fredrik Linder, Gabriel Dimofte, Gabriel Rodrigues, Gabriela Nita, Gabriele Sganga, Gennaro Martines, Gennaro Mazzarella, Gennaro Perrone, George Velmahos, Georgios D. Lianos, Gia Tomadze, Gian Luca Baiocchi, Giancarlo D’Ambrosio, Gianluca Pellino, Gianmaria Casoni Pattacini, Giorgio Giraudo, Giorgio Lisi, Giovanni Domenico Tebala, Giovanni Pirozzolo, Giulia Montori, Giulio Argenio, Giuseppe Brisinda, Giuseppe Currò, Giuseppe Giuliani, Giuseppe Palomba, Giuseppe Roscitano, Gökhan Avşar, Goran Augustin, Guglielmo Clarizia, Gustavo M. Machain Vega, Gustavo P. Fraga, Harsheet Sethi, Hazim Abdulnassir Eltyeb, Helmut A. Segovia Lohse, Herald René Segovia Lohse, Hüseyin Bayhan, Hytham K. S. Hamid, Igor A. Kryvoruchko, Immacolata Iannone, Imtiaz Wani, Ioannis I. Lazaridis, Ioannis Katsaros, Ioannis Nikolopoulos, Ionut Negoi, Isabella Reccia, Isidoro Di Carlo, Iyiade Olatunde Olaoye, Jacek Czepiel, Jae Il Kim, Jeremy Meyer, Jesus Manuel Saenz Terrazas, Joel Noutakdie Tochie, Joseph M. Galante, Justin Davies, Kapil Sugand, Kebebe Bekele Gonfa, Kemal Rasa, Kenneth Y. Y. Kok, Konstantinos G. Apostolou, Konstantinos Lasithiotakis, Konstantinos Tsekouras, Kumar Angamuthu, Lali Akhmeteli, Larysa Sydorchuk, Laura Fortuna, Leandro Siragusa, Leonardo Pagani, Leonardo Solaini, Lisa A. Miller, Lovenish Bains, Luca Ansaloni, Luca Ferrario, Luigi Bonavina, Luigi Conti, Luis Antonio Buonomo, Luis Tallon-Aguilar, Lukas Tomczyk, Lukas Werner Widmer, Maciej Walędziak, Mahir Gachabayov, Maloni M. Bulanauca, Manu L. N. G. Malbrain, Marc Maegele, Marco Catarci, Marco Ceresoli, Maria Chiara Ranucci, Maria Ioanna Antonopoulou, Maria Papadoliopoulou, Maria Rosaria Valenti, Maria Sotiropoulou, Mario D’Oria, Mario Serradilla Martín, Markus Hirschburger, Massimiliano Veroux, Massimo Fantoni, Matteo Nardi, Matti Tolonen, Mauro Montuori, Mauro Podda, Maximilian Scheiterle, Maximos Frountzas, Mehmet Sarıkaya, Mehmet Yildirim, Michael Bender, Michail Vailas, Michel Teuben, Michela Campanelli, Michele Ammendola, Michele Malerba, Michele Pisano, Mihaela Pertea, Mihail Slavchev, Mika Ukkonen, Miklosh Bala, Mircea Chirica, Mirko Barone, Mohamed Maher Shaat, Mohammed Jibreel Suliman Mohammed, Mona Awad Akasha Abuelgasim, Monika Gureh, Mouaqit Ouadii, Mujdat Balkan, Mumin Mohamed, Musluh Hakseven, Natalia Velenciuc, Nicola Cillara, Nicola de’Angelis, Nicolò Tamini, Nikolaos J. Zavras, Nikolaos Machairas, Nikolaos Michalopoulos, Nikolaos N. Koliakos, Nikolaos Pararas, Noel E. Donlon, Noushif Medappil, Offir Ben-Ishay, Olmi Stefano, Omar Islam, Ömer Tammo, Orestis Ioannidis, Oscar Aparicio, Oussama Baraket, Pankaj Kumar, Pasquale Cianci, Per Örtenwall, Petar Angelov Uchikov, Philip de Reuver, Philip F. Stahel, Philip S. Barie, Micaela Piccoli, Piotr Major, Pradeep H. Navsaria, Prakash Kumar Sasmal, Raul Coimbra, Razrim Rahim, Recayi Çapoğlu, Renol M. Koshy, Ricardo Alessandro Teixeira Gonsaga, Riccardo Pertile, Rifat Ramadan Mussa Mohamed, Rıza Deryol, Robert G. Sawyer, Roberta Angelico, Roberta Ragozzino, Roberto Bini, Roberto Cammarata, Rosa Scaramuzzo, Rossella Gioco, Ruslan Sydorchuk, Salma Ahmed, Salomone Di Saverio, Sameh Hany Emile, Samir Delibegovic, Sanjay Marwah, Savvas Symeonidis, Scott G. Thomas, Sebahattin Demir, Selmy S. Awad, Semra Demirli Atici, Serge Chooklin, Serhat Meric, Sevcan Sarıkaya, Sharfuddin Chowdhury, Shaza Faycal Mirghani, Sherry M. Wren, Simone Gargarella, Simone Rossi Del Monte, Sofia Esposito, Sofia Xenaki, Soliman Fayez Ghedan Mohamed, Solomon Gurmu Beka, Sorinel Lunca, Spiros G. Delis, Spyridon Dritsas, Stefan Morarasu, Stefano Magnone, Stefano Rossi, Stefanos Bitsianis, Stylianos Kykalos, Suman Baral, Sumita A. Jain, Syed Muhammad Ali, Tadeja Pintar, Tania Triantafyllou, Tarik Delko, Teresa Perra, Theodoros A. Sidiropoulos, Thomas M. Scalea, Tim Oliver Vilz, Timothy Craig Hardcastle, Tongporn Wannatoop, Torsten Herzog, Tushar Subhadarshan Mishra, Ugo Boggi, Valentin Calu, Valentina Tomajer, Vanni Agnoletti, Varut Lohsiriwat, Victor Kong, Virginia Durán Muñoz-Cruzado, Vishal G. Shelat, Vladimir Khokha, Wagih Mommtaz Ghannam, Walter L. Biffl, Wietse Zuidema, Yasin Kara, Yoshiro Kobe, Zaza Demetrashvili, Ziad A. Memish, Zoilo Madrazo, Zsolt J. Balogh, Zulfu Bayhan, Reichert, M, Sartelli, M, Weigand, M, Hecker, M, Oppelt, P, Noll, J, Askevold, I, Liese, J, Padberg, W, Coccolini, F, Catena, F, Hecker, A, Peckham-Cooper, A, Camacho-Ortiz, A, Mastoraki, A, Landaluce-Olavarria, A, Pal, A, Kuriyama, A, Chichom-Mefire, A, Porcu, A, Martinez-Perez, A, Karamarkovic, A, Osipov, A, Coppola, A, Cucchetti, A, Spolini, A, Giordano, A, Reinisch-Liese, A, Kavalakat, A, Vasilescu, A, Alamin, A, Gupta, A, Dascalu, A, Musina, A, Bakopoulos, A, Zakaria, A, Vereczkei, A, Balla, A, Bottari, A, Baumann, A, Fette, A, Litvin, A, Reichert, A, Guariniello, A, Paspala, A, Schneck, A, Brillantino, A, Pesce, A, Isik, A, Leppaniemi, A, Papadopoulos, A, Kechagias, A, Mohamed, A, Mitul, A, Marinis, A, Syllaios, A, Mantoglu, B, De Simone, B, Weiss, B, Posentrup, B, Picardi, B, Zampogna, B, Sakakushev, B, Atanasov, B, Nardo, B, Calik, B, Cremonini, C, Ordonez, C, Seretis, C, Cascone, C, Chouliaras, C, Bendinelli, C, Lopes, C, Guerci, C, Weber, C, Nastos, C, Mesina, C, Caputo, D, Massalou, D, Cavaliere, D, Mcnamara, D, Demetriades, D, Pantalone, D, Coletta, D, Sasia, D, Visconti, D, Weber, D, Corallino, D, Chatzipetris, D, Manatakis, D, Ntourakis, D, Papaconstantinou, D, Schizas, D, Chrysikos, D, Adamovich, D, Elkafrawy, D, Seban, D, Garcia, E, Baldini, E, Picetti, E, Tan, E, Baili, E, Lostoridis, E, Toma, E, Colak, E, Cerutti, E, Steyn, E, Hsabo, E, Kapetanakis, E, Kaouras, E, Schneck, E, Akin, E, Gonullu, E, Celik, E, Cicuttin, E, Pinotti, E, Johnsson, E, Moore, E, Agastra, E, Dimitrov, E, Griffiths, E, D'Acapito, F, Saraceno, F, Alconchel, F, Zeppernick, F, Rodriguez, F, Abu-Zidan, F, Pecchini, F, Favi, F, Ferrara, F, Fleres, F, Pata, F, Roscio, F, Mulita, F, Dor, F, Linder, F, Dimofte, G, Rodrigues, G, Nita, G, Sganga, G, Martines, G, Mazzarella, G, Perrone, G, Velmahos, G, Lianos, G, Tomadze, G, Baiocchi, G, D'Ambrosio, G, Pellino, G, Pattacini, G, Giraudo, G, Lisi, G, Tebala, G, Pirozzolo, G, Montori, G, Argenio, G, Brisinda, G, Curro, G, Giuliani, G, Palomba, G, Roscitano, G, Avsar, G, Augustin, G, Clarizia, G, Vega, G, Fraga, G, Sethi, H, Eltyeb, H, Lohse, H, Bayhan, H, Hamid, H, Kryvoruchko, I, Iannone, I, Wani, I, Lazaridis, I, Katsaros, I, Nikolopoulos, I, Negoi, I, Reccia, I, Di Carlo, I, Olaoye, I, Czepiel, J, Kim, J, Meyer, J, Terrazas, J, Tochie, J, Galante, J, Davies, J, Sugand, K, Gonfa, K, Rasa, K, Kok, K, Apostolou, K, Lasithiotakis, K, Tsekouras, K, Angamuthu, K, Akhmeteli, L, Sydorchuk, L, Fortuna, L, Siragusa, L, Pagani, L, Solaini, L, Miller, L, Bains, L, Ansaloni, L, Ferrario, L, Bonavina, L, Conti, L, Buonomo, L, Tallon-Aguilar, L, Tomczyk, L, Widmer, L, Waledziak, M, Gachabayov, M, Bulanauca, M, Malbrain, M, Maegele, M, Catarci, M, Ceresoli, M, Ranucci, M, Antonopoulou, M, Papadoliopoulou, M, Valenti, M, Sotiropoulou, M, D'Oria, M, Martin, M, Hirschburger, M, Veroux, M, Fantoni, M, Nardi, M, Tolonen, M, Montuori, M, Podda, M, Scheiterle, M, Frountzas, M, Sarikaya, M, Yildirim, M, Bender, M, Vailas, M, Teuben, M, Campanelli, M, Ammendola, M, Malerba, M, Pisano, M, Pertea, M, Slavchev, M, Ukkonen, M, Bala, M, Chirica, M, Barone, M, Shaat, M, Mohammed, M, Abuelgasim, M, Gureh, M, Ouadii, M, Balkan, M, Mohamed, M, Hakseven, M, Velenciuc, N, Cillara, N, De'Angelis, N, Tamini, N, Zavras, N, Machairas, N, Michalopoulos, N, Koliakos, N, Pararas, N, Donlon, N, Medappil, N, Ben-Ishay, O, Stefano, O, Islam, O, Tammo, O, Ioannidis, O, Aparicio, O, Baraket, O, Kumar, P, Cianci, P, Ortenwall, P, Uchikov, P, de Reuver, P, Stahel, P, Barie, P, Piccoli, M, Major, P, Navsaria, P, Sasmal, P, Coimbra, R, Rahim, R, Capoglu, R, Koshy, R, Gonsaga, R, Pertile, R, Mohamed, R, Deryol, R, Sawyer, R, Angelico, R, Ragozzino, R, Bini, R, Cammarata, R, Scaramuzzo, R, Gioco, R, Sydorchuk, R, Ahmed, S, Di Saverio, S, Emile, S, Delibegovic, S, Marwah, S, Symeonidis, S, Thomas, S, Demir, S, Awad, S, Atici, S, Chooklin, S, Meric, S, Sarikaya, S, Chowdhury, S, Mirghani, S, Wren, S, Gargarella, S, Del Monte, S, Esposito, S, Xenaki, S, Mohamed, S, Beka, S, Lunca, S, Delis, S, Dritsas, S, Morarasu, S, Magnone, S, Rossi, S, Bitsianis, S, Kykalos, S, Baral, S, Jain, S, Ali, S, Pintar, T, Triantafyllou, T, Delko, T, Perra, T, Sidiropoulos, T, Scalea, T, Vilz, T, Hardcastle, T, Wannatoop, T, Herzog, T, Mishra, T, Boggi, U, Calu, V, Tomajer, V, Agnoletti, V, Lohsiriwat, V, Kong, V, Munoz-Cruzado, V, Shelat, V, Khokha, V, Ghannam, W, Biffl, W, Zuidema, W, Kara, Y, Kobe, Y, Demetrashvili, Z, Memish, Z, Madrazo, Z, Balogh, Z, and Bayhan, Z

Subjects
Cross-Sectional Studie, ddc:610, Capacity, Pandemic, SARS-CoV-2, COVID-19, WSES, Time to intervention, Appendicitis, Reconstructive and regenerative medicine Radboud Institute for Health Sciences [Radboudumc 10], Cross-Sectional Studies, Emergency, Quarantine, Emergency Medicine, Emergency surgery, Humans, Surgery, Appendiciti, COVID-19, SARS-CoV-2, Pandemic, Emergency surgery, Emergency, Appendicitis, WSES, Time to intervention, Capacity, Quarantine, Pandemics, Diverticulitis, Human
Abstract

Background The SARS-CoV-2 pandemic is still ongoing and a major challenge for health care services worldwide. In the first WSES COVID-19 emergency surgery survey, a strong negative impact on emergency surgery (ES) had been described already early in the pandemic situation. However, the knowledge is limited about current effects of the pandemic on patient flow through emergency rooms, daily routine and decision making in ES as well as their changes over time during the last two pandemic years. This second WSES COVID-19 emergency surgery survey investigates the impact of the SARS-CoV-2 pandemic on ES during the course of the pandemic. Methods A web survey had been distributed to medical specialists in ES during a four-week period from January 2022, investigating the impact of the pandemic on patients and septic diseases both requiring ES, structural problems due to the pandemic and time-to-intervention in ES routine. Results 367 collaborators from 59 countries responded to the survey. The majority indicated that the pandemic still significantly impacts on treatment and outcome of surgical emergency patients (83.1% and 78.5%, respectively). As reasons, the collaborators reported decreased case load in ES (44.7%), but patients presenting with more prolonged and severe diseases, especially concerning perforated appendicitis (62.1%) and diverticulitis (57.5%). Otherwise, approximately 50% of the participants still observe a delay in time-to-intervention in ES compared with the situation before the pandemic. Relevant causes leading to enlarged time-to-intervention in ES during the pandemic are persistent problems with in-hospital logistics, lacks in medical staff as well as operating room and intensive care capacities during the pandemic. This leads not only to the need for triage or transferring of ES patients to other hospitals, reported by 64.0% and 48.8% of the collaborators, respectively, but also to paradigm shifts in treatment modalities to non-operative approaches reported by 67.3% of the participants, especially in uncomplicated appendicitis, cholecystitis and multiple-recurrent diverticulitis. Conclusions The SARS-CoV-2 pandemic still significantly impacts on care and outcome of patients in ES. Well-known problems with in-hospital logistics are not sufficiently resolved by now; however, medical staff shortages and reduced capacities have been dramatically aggravated over last two pandemic years.

Published
2022
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12. Statins and statin intensity in peripheral artery disease

Author

Marios Sagris, Ioannis Katsaros, Stefanos Giannopoulos, Russell D. Rosenberg, S. Elissa Altin, Loukianos Rallidis, Carlos Mena-Hurtado, Ehrin J. Armstrong, and Damianos G. Kokkinidis

Subjects
Cardiology and Cardiovascular Medicine
Abstract

Summary: Background: Peripheral artery disease (PAD) affects more than 202 million people worldwide. Several studies have shown that patients with PAD are often undertreated, and that statin utilization is suboptimal. European and American guidelines highlight statins as the first-line lipid-lowering therapy to treat patients with PAD. Our objective with this meta-analysis was to further explore the impact of statins on lower extremities PAD endpoints and examine whether statin dose (high vs. low intensity) impacts outcomes. Patients and methods: We performed a systematic review and meta-analysis according to the PRISMA guidelines. Any study that presented a comparison of use of statins vs. no statins for PAD patients or studies comparing high vs. low intensity statins were considered to be potentially eligible. We excluded studies with only critical limb threatening ischemia (CLTI) patients. The Medline (PubMed) database was searched up to January 31, 2021. A random effects meta-analysis was performed. Results: In total, 39 studies and 275,670 patients were included in this meta-analysis. In total, 136,025 (49.34%) patients were on statins vs. 139,645 (50.66%) who were not on statins. Statin use was associated with a reduction in all cause-mortality by 42% (HR: 0.58, 95% CI: 0.49–0.67, p

Published
2022
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13. Enhanced Bacteriostatic Properties of Ti Alloys by Surface Nitriding

Author

Le Fu, Karthik Rajaseka, Ioannis Katsaros, Yihong Liu, Helen Wang, Håkan Engqvist, and Wei Xia

Abstract

Surface nitriding has been widely used to improve the surface physicochemical properties of Ti alloys. However, the currently utilized surface nitriding methods, such as laser nitriding, typically require expensive and complicated instruments, which makes surface nitriding a less cost-effective process. Meanwhile, the antibacterial properties of surface-nitrided Ti alloy implants have not been evaluated. Thereafter, in this study, we were aiming to develop an effective, simple, and cost-effective surface nitriding strategy to enhance the antimicrobial properties of Ti alloy implants. The surface nitriding strategy was realized by wet-chemical etching and thermal treatment at controlled conditions. Results showed that the above surface modification treatments exerted significant effects on the phase composition and morphology of the newly formed phases on the surface of Ti samples. Crystalline TiN and TiO2 formed after treatments. Meanwhile, amorphous nitrides and oxynitride were also presented on the sample surfaces. The surface-modified Ti samples showed a bacterial inhibition effect compared with the non-treated Ti ones, and the bacterial inhibition effect was attributed to the released ammonia species from the surface of Ti samples. The surface modification strategy shows promise to improve the bacteriostatic property of Ti implants in dental and orthopedic fields.

Published
2023
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14. Surgeons' perspectives on artificial intelligence to support clinical decision-making in trauma and emergency contexts: results from an international survey

Author

Cobianchi, Lorenzo, Piccolo, Daniele, Dal Mas, Francesca, Agnoletti, Vanni, Ansaloni, Luca, Balch, Jeremy, Biffl, Walter, Butturini, Giovanni, Catena, Fausto, Coccolini, Federico, Denicolai, Stefano, De Simone, Belinda, Frigerio, Isabella, Fugazzola, Paola, Marseglia, Gianluigi, Marseglia, Giuseppe Roberto, Martellucci, Jacopo, Modenese, Mirko, Previtali, Pietro, Ruta, Federico, Venturi, Alessandro, Kaafarani, Haytham M, Loftus, Tyler J, Kenneth Lyle Abbott, Abubaker Abdelmalik, Nebyou Seyoum Abebe, Fikri Abu-Zidan, Yousif Abdallah Yousif Adam, Harissou Adamou, Dmitry Mikhailovich Adamovich, Ferdinando Agresta, Antonino Agrusa, Emrah Akin, Mario Alessiani, Henrique Alexandrino, Syed Muhammad Ali, Vasilescu Alin Mihai, Pedro Miguel Almeida, Mohammed Mohammed Al-Shehari, Michele Altomare, Francesco Amico, Michele Ammendola, Jacopo Andreuccetti, Elissavet Anestiadou, Peter Angelos, Alfredo Annicchiarico, Amedeo Antonelli, Daniel Aparicio-Sanchez, Antonella Ardito, Giulio Argenio, Catherine Claude Arvieux, Ingolf Harald Askevold, Boyko Tchavdarov Atanasov, Goran Augustin, Selmy Sabry Awad, Giulia Bacchiocchi, Carlo Bagnoli, Hany Bahouth, Efstratia Baili, Lovenish Bains, Gian Luca Baiocchi, Miklosh Bala, Carmen Balagué, Dimitrios Balalis, Edoardo Baldini, Oussama Baraket, Suman Baral, Mirko Barone, Alberto Gonzãlez Barranquero, Jorge Arturo Barreras, Gary Alan Bass, Zulfu Bayhan, Giovanni Bellanova, Offir Ben-Ishay, Fabrizio Bert, Valentina Bianchi, Helena Biancuzzi, Chiara Bidoli, Raluca Bievel Radulescu, Mark Brian Bignell, Alan Biloslavo, Daniele Bissacco, Roberto Bini, Paolo Boati, Guillaume Boddaert, Branko Bogdanic, Cristina Bombardini, Luigi Bonavina, Luca Bonomo, Andrea Bottari, Konstantinos Bouliaris, Gioia Brachini, Antonio Brillantino, Giuseppe Brisinda, Maloni Mamada Bulanauca, Luis Antonio Buonomo, Jakob Burcharth, Salvatore Buscemi, Francesca Calabretto, Giacomo Calini, Valentin Calu, Fabio Cesare Campanile, Riccardo Campo Dall Orto, Andrea Campos-Serra, Stefano Campostrini, Recayi Capoglu, Joao Miguel Carvas, Marco Cascella, Gianmaria Casoni Pattacini, Valerio Celentano, Danilo Corrado Centonze, Marco Ceresoli, Dimitrios Chatzipetris, Antonella Chessa, Maria Michela Chiarello, Mircea Chirica, Serge Chooklin, Christos Chouliaras, Sharfuddin Chowdhury, Pasquale Cianci, Nicola Cillara, Stefania Cimbanassi, Stefano Piero Bernardo Cioffi, Elif Colak, Enrique Colás Ruiz, Luigi Conti, Alessandro Coppola, Tiago Correia De Sa, Silvia Dantas Costa, Valerio Cozza, Giuseppe Curro', Kirsten Felicia Ann-Sophie Aimee Dabekaussen, Fabrizio D'Acapito, Dimitrios Damaskos, Giancarlo D'Ambrosio, Koray Das, Richard Justin Davies, Andrew Charles De Beaux, Sara Patricia De Lebrusant Fernandez, Alessandro De Luca, Francesca De Stefano, Luca Degrate, Zaza Demetrashvili, Andreas Kyriacou Demetriades, Dzemail Smail Detanac, Agnese Dezi, Giuseppe Di Buono, Isidoro Di Carlo, Pierpaolo Di Lascio, Marcello Di Martino, Salomone Di Saverio, Bogdan Diaconescu, Jose J Diaz, Rigers Dibra, Evgeni Nikolaev Dimitrov, Vincenza Paola Dinuzzi, Sandra Dios-Barbeito, Jehangir Farman Ali Diyani, Agron Dogjani, Maurizio Domanin, Mario D'Oria, Virginia Duran Munoz-Cruzado, Barbora East, Mikael Ekelund, Gerald Takem Ekwen, Adel Hamed Elbaih, Muhammed Elhadi, Natalie Enninghorst, Mairam Ernisova, Juan Pablo Escalera-Antezana, Sofia Esposito, Giuseppe Esposito, Mercedes Estaire, Camilla Nikita Farè, Roser Farre, Francesco Favi, Luca Ferrario, Antonjacopo Ferrario di Tor Vajana, Claudia Filisetti, Francesco Fleres, Vinicius Cordeiro Fonseca, Alexander Forero-Torres, Francesco Forfori, Laura Fortuna, Evangelos Fradelos, Gustavo P Fraga, Pietro Fransvea, Simone Frassini, Giuseppe Frazzetta, Erica Pizzocaro, Maximos Frountzas, Mahir Gachabayov, Rita Galeiras, Alain A Garcia Vazquez, Simone Gargarella, Ibrahim Umar Garzali, Wagih Mommtaz Ghannam, Faiz Najmuddin Ghazi, Lawrence Marshall Gillman, Rossella Gioco, Alessio Giordano, Luca Giordano, Carlo Giove, Giorgio Giraudo, Mario Giuffrida, Michela Giulii Capponi, Emanuel Gois Jr, Carlos Augusto Gomes, Felipe Couto Gomes, Ricardo Alessandro Teixeira Gonsaga, Emre Gonullu, Jacques Goosen, Tatjana Goranovic, Raquel Gracia-Roman, Giorgio Maria Paolo Graziano, Ewen Alexander Griffiths, Tommaso Guagni, Dimitar Bozhidarov Hadzhiev, Muad Gamil Haidar, Hytham K S Hamid, Timothy Craig Hardcastle, Firdaus Hayati, Andrew James Healey, Andreas Hecker, Matthias Hecker, Edgar Fernando Hernandez Garcia, Adrien Montcho Hodonou, Eduardo Cancio Huaman, Martin Huerta, Aini Fahriza Ibrahim, Basil Mohamed Salabeldin Ibrahim, Giuseppe Ietto, Marco Inama, Orestis Ioannidis, Arda Isik, Nizar Ismail, Azzain Mahadi Hamid Ismail, Ruhi Fadzlyana Jailani, Ji Young Jang, Christos Kalfountzos, Sujala Niatarika Rajsain Kalipershad, Emmanouil Kaouras, Lewis Jay Kaplan, Yasin Kara, Evika Karamagioli, Aleksandar Karamarkovia, Ioannis Katsaros, Alfie J Kavalakat, Aristotelis Kechagias, Jakub Kenig, Boris Juli Kessel, Jim S Khan, Vladimir Khokha, Jae Il Kim, Andrew Wallace Kirkpatrick, Roberto Klappenbach, Yoram Kluger, Yoshiro Kobe, Efstratios Kofopoulos Lymperis, Kenneth Yuh Yen Kok, Victor Kong, Dimitris P Korkolis, Georgios Koukoulis, Bojan Kovacevic, Vitor Favali Kruger, Igor A Kryvoruchko, Hayato Kurihara, Akira Kuriyama, Aitor Landaluce-Olavarria, Pierfrancesco Lapolla, Ari Leppäniemi, Leo Licari, Giorgio Lisi, Andrey Litvin, Aintzane Lizarazu, Heura Llaquet Bayo, Varut Lohsiriwat, Claudia Cristina Lopes Moreira, Eftychios Lostoridis, Agustãn Tovar Luna, Davide Luppi, Gustavo Miguel Machain V, Marc Maegele, Daniele Maggiore, Stefano Magnone, Ronald V Maier, Piotr Major, Mallikarjuna Manangi, Andrea Manetti, Baris Mantoglu, Chiara Marafante, Federico Mariani, Athanasios Marinis, Evandro Antonio Sbalcheiro Mariot, Gennaro Martines, Aleix Martinez Perez, Costanza Martino, Pietro Mascagni, Damien Massalou, Maurizio Massaro, Belen Matías-García, Gennaro Mazzarella, Giorgio Mazzarolo, Renato Bessa Melo, Fernando Mendoza-Moreno, Serhat Meric, Jeremy Meyer, Luca Miceli, Nikolaos V Michalopoulos, Flavio Milana, Andrea Mingoli, Tushar S Mishra, Muyed Mohamed, Musab Isam Eldin Abbas Mohamed, Ali Yasen Mohamedahmed, Mohammed Jibreel Suliman Mohammed, Rajashekar Mohan, Ernest E Moore, Dieter Morales-Garcia, Mã Ns Muhrbeck, Francesk Mulita, Sami Mohamed Siddig Mustafa, Edoardo Maria Muttillo, Mukhammad David Naimzada, Pradeep H Navsaria, Ionut Negoi, Luca Nespoli, Christine Nguyen, Melkamu Kibret Nidaw, Giuseppe Nigri, Ioannis Nikolopoulos, Donal Brendan O'Connor, Habeeb Damilola Ogundipe, Cristina Oliveri, Stefano Olmi, Ernest Cun Wang Ong, Luca Orecchia, Aleksei V Osipov, Muhammad Faeid Othman, Marco Pace, Mario Pacilli, Leonardo Pagani, Giuseppe Palomba, Desire' Pantalone, Arpad Panyko, Ciro Paolillo, Mario Virgilio Papa, Dimitrios Papaconstantinou, Maria Papadoliopoulou, Aristeidis Papadopoulos, Davide Papis, Nikolaos Pararas, Jose Gustavo Parreira, Neil Geordie Parry, Francesco Pata, Tapan Patel, Simon Paterson-Brown, Giovanna Pavone, Francesca Pecchini, Veronica Pegoraro, Gianluca Pellino, Maria Pelloni, Andrea Peloso, Eduardo Perea Del Pozo, Rita Goncalves Pereira, Bruno Monteiro Pereira, Aintzane Lizarazu Perez, Silvia Pérez, Teresa Perra, Gennaro Perrone, Antonio Pesce, Lorenzo Petagna, Giovanni Petracca, Vorapong Phupong, Biagio Picardi, Arcangelo Picciariello, Micaela Piccoli, Edoardo Picetti, Emmanouil Pikoulis Pikoulis, Tadeja Pintar, Giovanni Pirozzolo, Francesco Piscioneri, Mauro Podda, Alberto Porcu, Francesca Privitera, Clelia Punzo, Silvia Quaresima, Martha Alexa Quiodettis, Niels Qvist, Razrim Rahim, Filipe Ramalho de Almeida, Rosnelifaizur Bin Ramely, Huseyin Kemal Rasa, Martin Reichert, Alexander Reinisch-Liese, Angela Renne, Camilla Riccetti, Maria Rita Rodriguez-Luna, Daniel Roizblatt, Andrea Romanzi, Luigi Romeo, Francesco Pietro Maria Roscio, Ramely Bin Rosnelifaizur, Stefano Rossi, Andres M Rubiano, Elena Ruiz-Ucar, Boris Evgeniev Sakakushev, Juan Carlos Salamea, Ibrahima Sall, Lasitha Bhagya Samarakoon, Fabrizio Sammartano, Alejandro Sanchez Arteaga, Sergi Sanchez-Cordero, Domenico Pietro Maria Santoanastaso, Massimo Sartelli, Diego Sasia, Norio Sato, Artem Savchuk, Robert Grant Sawyer, Giacomo Scaioli, Dimitrios Schizas, Simone Sebastiani, Barbara Seeliger, Helmut Alfredo Segovia Lohse, Charalampos Seretis, Giacomo Sermonesi, Mario Serradilla-Martin, Vishal G Shelat, Sergei Shlyapnikov, Theodoros Sidiropoulos, Romeo Lages Simoes, Leandro Siragusa, Boonying Siribumrungwong, Mihail Slavchev, Leonardo Solaini, Gabriele Soldini, Andrey Sopuev, Kjetil Soreide, Apostolos Sovatzidis, Philip Frank Stahel, Matt Strickland, Mohamed Arif Hameed Sultan, Ruslan Sydorchuk, Larysa Sydorchuk, Syed Muhammad Ali Muhammad Syed, Luis Tallon-Aguilar, Andrea Marco Tamburini, Nicolò Tamini, Edward C T H Tan, Jih Huei Tan, Antonio Tarasconi, Nicola Tartaglia, Giuseppe Tartaglia, Dario Tartaglia, John Vincent Taylor, Giovanni Domenico Tebala, Michel Teuben, Alexis Theodorou, Matti Tolonen, Giovanni Tomasicchio, Adriana Toro, Beatrice Torre, Tania Triantafyllou, Giuseppe Trigiante Trigiante, Marzia Tripepi, Julio Trostchansky, Konstantinos Tsekouras, Victor Turrado-Rodriguez, Roberta Tutino, Matteo Uccelli, Petar Angelov Uchikov, Bakarne Ugarte-Sierra, Mika Tapani Ukkonen, Michail Vailas, Panteleimon G Vassiliu, Alain Garcia Vazquez, Rita Galeiras Vazquez, George Velmahos, Juan Ezequiel Verde, Juan Manuel Verde, Massimiliano Veroux, Jacopo Viganò, Ramon Vilallonga, Diego Visconti, Alessandro Vittori, Maciej Waledziak, Tongporn Wannatoop, Lukas Werner Widmer, Michael Samuel James Wilson, Sarah Woltz, Ting Hway Wong, Sofia Xenaki, Byungchul Yu, Steven Yule, Sanoop Koshy Zachariah, Georgios Zacharis, Claudia Zaghi, Andee Dzulkarnaen Zakaria, Diego A Zambrano, Nikolaos Zampitis, Biagio Zampogna, Simone Zanghì, Maristella Zantedeschi, Konstantinos Zapsalis, Fabio Zattoni, Monica Zese, Lorenzo, Cobianchi, Daniele, Piccolo, Francesca, Dal Ma, Vanni, Agnoletti, Luca, Ansaloni, Jeremy, Balch, Walter, Biffl, Giovanni, Butturini, Fausto, Catena, Federico, Coccolini, Stefano, Denicolai, Belinda, De Simone, Isabella, Frigerio, Paola, Fugazzola, Gianluigi, Marseglia, Giuseppe Roberto, Marseglia, Jacopo, Martellucci, Mirko, Modenese, Pietro, Previtali, Federico, Ruta, Alessandro, Venturi, Haytham M, Kaafarani, Tyler J, Loftu, Lyle Abbott, Kenneth, Abdelmalik, Abubaker, Seyoum Abebe, Nebyou, Abu-Zidan, Fikri, Abdallah Yousif Adam, Yousif, Adamou, Harissou, Mikhailovich Adamovich, Dmitry, Agresta, Ferdinando, Agrusa, Antonino, Akin, Emrah, Alessiani, Mario, Alexandrino, Henrique, Muhammad Ali, Syed, Alin Mihai, Vasilescu, Miguel Almeida, Pedro, Mohammed Al-Shehari, Mohammed, Altomare, Michele, Amico, Francesco, Ammendola, Michele, Andreuccetti, Jacopo, Anestiadou, Elissavet, Angelos, Peter, Annicchiarico, Alfredo, Antonelli, Amedeo, Aparicio-Sanchez, Daniel, Ardito, Antonella, Argenio, Giulio, Claude Arvieux, Catherine, Harald Askevold, Ingolf, Tchavdarov Atanasov, Boyko, Augustin, Goran, Sabry Awad, Selmy, Bacchiocchi, Giulia, Bagnoli, Carlo, Bahouth, Hany, Baili, Efstratia, Bains, Lovenish, Luca Baiocchi, Gian, Bala, Miklosh, Balagué, Carmen, Balalis, Dimitrio, Baldini, Edoardo, Baraket, Oussama, Baral, Suman, Barone, Mirko, Gonzãlez Barranquero, Alberto, Arturo Barreras, Jorge, Alan Bass, Gary, Bayhan, Zulfu, Bellanova, Giovanni, Ben-Ishay, Offir, Bert, Fabrizio, Bianchi, Valentina, Biancuzzi, Helena, Bidoli, Chiara, Bievel Radulescu, Raluca, Brian Bignell, Mark, Biloslavo, Alan, Bissacco, Daniele, Bini, Roberto, Boati, Paolo, Boddaert, Guillaume, Bogdanic, Branko, Bombardini, Cristina, Bonavina, Luigi, Bonomo, Luca, Bottari, Andrea, Bouliaris, Konstantino, Brachini, Gioia, Brillantino, Antonio, Brisinda, Giuseppe, Mamada Bulanauca, Maloni, Antonio Buonomo, Lui, Burcharth, Jakob, Buscemi, Salvatore, Calabretto, Francesca, Calini, Giacomo, Calu, Valentin, Cesare Campanile, Fabio, Campo Dall Orto, Riccardo, Campos-Serra, Andrea, Campostrini, Stefano, Capoglu, Recayi, Miguel Carvas, Joao, Cascella, Marco, Casoni Pattacini, Gianmaria, Celentano, Valerio, Corrado Centonze, Danilo, Ceresoli, Marco, Chatzipetris, Dimitrio, Chessa, Antonella, Michela Chiarello, Maria, Chirica, Mircea, Chooklin, Serge, Chouliaras, Christo, Chowdhury, Sharfuddin, Cianci, Pasquale, Cillara, Nicola, Cimbanassi, Stefania, Piero Bernardo Cioffi, Stefano, Colak, Elif, Colás Ruiz, Enrique, Conti, Luigi, Coppola, Alessandro, Correia De Sa, Tiago, Dantas Costa, Silvia, Cozza, Valerio, Curro', Giuseppe, Felicia Ann-Sophie Aimee Dabekaussen, Kirsten, D'Acapito, Fabrizio, Damaskos, Dimitrio, D'Ambrosio, Giancarlo, Das, Koray, Justin Davies, Richard, Charles De Beaux, Andrew, Patricia De Lebrusant Fernandez, Sara, De Luca, Alessandro, De Stefano, Francesca, Degrate, Luca, Demetrashvili, Zaza, Kyriacou Demetriades, Andrea, Smail Detanac, Dzemail, Dezi, Agnese, Di Buono, Giuseppe, Di Carlo, Isidoro, Di Lascio, Pierpaolo, Di Martino, Marcello, Di Saverio, Salomone, Diaconescu, Bogdan, J Diaz, Jose, Dibra, Riger, Nikolaev Dimitrov, Evgeni, Paola Dinuzzi, Vincenza, Dios-Barbeito, Sandra, Farman Ali Diyani, Jehangir, Dogjani, Agron, Domanin, Maurizio, D'Oria, Mario, Duran Munoz-Cruzado, Virginia, East, Barbora, Ekelund, Mikael, Takem Ekwen, Gerald, Hamed Elbaih, Adel, Elhadi, Muhammed, Enninghorst, Natalie, Ernisova, Mairam, Pablo Escalera-Antezana, Juan, Esposito, Sofia, Esposito, Giuseppe, Estaire, Mercede, Nikita Farè, Camilla, Farre, Roser, Favi, Francesco, Ferrario, Luca, Ferrario di Tor Vajana, Antonjacopo, Filisetti, Claudia, Fleres, Francesco, Cordeiro Fonseca, Viniciu, Forero-Torres, Alexander, Forfori, Francesco, Fortuna, Laura, Fradelos, Evangelo, P Fraga, Gustavo, Fransvea, Pietro, Frassini, Simone, Frazzetta, Giuseppe, Pizzocaro, Erica, Frountzas, Maximo, Gachabayov, Mahir, Galeiras, Rita, A Garcia Vazquez, Alain, Gargarella, Simone, Umar Garzali, Ibrahim, Mommtaz Ghannam, Wagih, Najmuddin Ghazi, Faiz, Marshall Gillman, Lawrence, Gioco, Rossella, Giordano, Alessio, Giordano, Luca, Giove, Carlo, Giraudo, Giorgio, Giuffrida, Mario, Giulii Capponi, Michela, Gois Jr, Emanuel, Augusto Gomes, Carlo, Couto Gomes, Felipe, Alessandro Teixeira Gonsaga, Ricardo, Gonullu, Emre, Goosen, Jacque, Goranovic, Tatjana, Gracia-Roman, Raquel, Maria Paolo Graziano, Giorgio, Alexander Griffiths, Ewen, Guagni, Tommaso, Bozhidarov Hadzhiev, Dimitar, Gamil Haidar, Muad, S Hamid, Hytham K, Craig Hardcastle, Timothy, Hayati, Firdau, James Healey, Andrew, Hecker, Andrea, Hecker, Matthia, Fernando Hernandez Garcia, Edgar, Montcho Hodonou, Adrien, Cancio Huaman, Eduardo, Huerta, Martin, Fahriza Ibrahim, Aini, Mohamed Salabeldin Ibrahim, Basil, Ietto, Giuseppe, Inama, Marco, Ioannidis, Oresti, Isik, Arda, Ismail, Nizar, Mahadi Hamid Ismail, Azzain, Fadzlyana Jailani, Ruhi, Young Jang, Ji, Kalfountzos, Christo, Niatarika Rajsain Kalipershad, Sujala, Kaouras, Emmanouil, Jay Kaplan, Lewi, Kara, Yasin, Karamagioli, Evika, Karamarkovia, Aleksandar, Katsaros, Ioanni, J Kavalakat, Alfie, Kechagias, Aristoteli, Kenig, Jakub, Juli Kessel, Bori, S Khan, Jim, Khokha, Vladimir, Il Kim, Jae, Wallace Kirkpatrick, Andrew, Klappenbach, Roberto, Kluger, Yoram, Kobe, Yoshiro, Kofopoulos Lymperis, Efstratio, Yuh Yen Kok, Kenneth, Kong, Victor, P Korkolis, Dimitri, Koukoulis, Georgio, Kovacevic, Bojan, Favali Kruger, Vitor, A Kryvoruchko, Igor, Kurihara, Hayato, Kuriyama, Akira, Landaluce-Olavarria, Aitor, Lapolla, Pierfrancesco, Leppäniemi, Ari, Licari, Leo, Lisi, Giorgio, Litvin, Andrey, Lizarazu, Aintzane, Llaquet Bayo, Heura, Lohsiriwat, Varut, Cristina Lopes Moreira, Claudia, Lostoridis, Eftychio, Tovar Luna, Agustãn, Luppi, Davide, V, Gustavo Miguel Machain, Maegele, Marc, Maggiore, Daniele, Magnone, Stefano, V Maier, Ronald, Major, Piotr, Manangi, Mallikarjuna, Manetti, Andrea, Mantoglu, Bari, Marafante, Chiara, Mariani, Federico, Marinis, Athanasio, Antonio Sbalcheiro Mariot, Evandro, Martines, Gennaro, Martinez Perez, Aleix, Martino, Costanza, Mascagni, Pietro, Massalou, Damien, Massaro, Maurizio, Matías-García, Belen, Mazzarella, Gennaro, Mazzarolo, Giorgio, Bessa Melo, Renato, Mendoza-Moreno, Fernando, Meric, Serhat, Meyer, Jeremy, Miceli, Luca, V Michalopoulos, Nikolao, Milana, Flavio, Mingoli, Andrea, S Mishra, Tushar, Mohamed, Muyed, Isam Eldin Abbas Mohamed, Musab, Yasen Mohamedahmed, Ali, Jibreel Suliman Mohammed, Mohammed, Mohan, Rajashekar, E Moore, Ernest, Morales-Garcia, Dieter, Ns Muhrbeck, Mã, Mulita, Francesk, Mohamed Siddig Mustafa, Sami, Maria Muttillo, Edoardo, David Naimzada, Mukhammad, H Navsaria, Pradeep, Negoi, Ionut, Nespoli, Luca, Nguyen, Christine, Kibret Nidaw, Melkamu, Nigri, Giuseppe, Nikolopoulos, Ioanni, Brendan O'Connor, Donal, Damilola Ogundipe, Habeeb, Oliveri, Cristina, Olmi, Stefano, Cun Wang Ong, Ernest, Orecchia, Luca, V Osipov, Aleksei, Faeid Othman, Muhammad, Pace, Marco, Pacilli, Mario, Pagani, Leonardo, Palomba, Giuseppe, Pantalone, Desire', Panyko, Arpad, Paolillo, Ciro, Virgilio Papa, Mario, Papaconstantinou, Dimitrio, Papadoliopoulou, Maria, Papadopoulos, Aristeidi, Papis, Davide, Pararas, Nikolao, Gustavo Parreira, Jose, Geordie Parry, Neil, Pata, Francesco, Patel, Tapan, Paterson-Brown, Simon, Pavone, Giovanna, Pecchini, Francesca, Pegoraro, Veronica, Pellino, Gianluca, Pelloni, Maria, Peloso, Andrea, Perea Del Pozo, Eduardo, Goncalves Pereira, Rita, Monteiro Pereira, Bruno, Lizarazu Perez, Aintzane, Pérez, Silvia, Perra, Teresa, Perrone, Gennaro, Pesce, Antonio, Petagna, Lorenzo, Petracca, Giovanni, Phupong, Vorapong, Picardi, Biagio, Picciariello, Arcangelo, Piccoli, Micaela, Picetti, Edoardo, Pikoulis Pikoulis, Emmanouil, Pintar, Tadeja, Pirozzolo, Giovanni, Piscioneri, Francesco, Podda, Mauro, Porcu, Alberto, Privitera, Francesca, Punzo, Clelia, Quaresima, Silvia, Alexa Quiodettis, Martha, Qvist, Niel, Rahim, Razrim, Ramalho de Almeida, Filipe, Bin Ramely, Rosnelifaizur, Kemal Rasa, Huseyin, Reichert, Martin, Reinisch-Liese, Alexander, Renne, Angela, Riccetti, Camilla, Rita Rodriguez-Luna, Maria, Roizblatt, Daniel, Romanzi, Andrea, Romeo, Luigi, Pietro Maria Roscio, Francesco, Bin Rosnelifaizur, Ramely, Rossi, Stefano, M Rubiano, Andre, Ruiz-Ucar, Elena, Evgeniev Sakakushev, Bori, Carlos Salamea, Juan, Sall, Ibrahima, Bhagya Samarakoon, Lasitha, Sammartano, Fabrizio, Sanchez Arteaga, Alejandro, Sanchez-Cordero, Sergi, Pietro Maria Santoanastaso, Domenico, Sartelli, Massimo, Sasia, Diego, Sato, Norio, Savchuk, Artem, Grant Sawyer, Robert, Scaioli, Giacomo, Schizas, Dimitrio, Sebastiani, Simone, Seeliger, Barbara, Alfredo Segovia Lohse, Helmut, Seretis, Charalampo, Sermonesi, Giacomo, Serradilla-Martin, Mario, G Shelat, Vishal, Shlyapnikov, Sergei, Sidiropoulos, Theodoro, Lages Simoes, Romeo, Siragusa, Leandro, Siribumrungwong, Boonying, Slavchev, Mihail, Solaini, Leonardo, Soldini, Gabriele, Sopuev, Andrey, Soreide, Kjetil, Sovatzidis, Apostolo, Frank Stahel, Philip, Strickland, Matt, Arif Hameed Sultan, Mohamed, Sydorchuk, Ruslan, Sydorchuk, Larysa, Muhammad Ali Muhammad Syed, Syed, Tallon-Aguilar, Lui, Marco Tamburini, Andrea, Tamini, Nicolò, H Tan, Edward C T, Huei Tan, Jih, Tarasconi, Antonio, Tartaglia, Nicola, Tartaglia, Giuseppe, Tartaglia, Dario, Vincent Taylor, John, Domenico Tebala, Giovanni, Teuben, Michel, Theodorou, Alexi, Tolonen, Matti, Tomasicchio, Giovanni, Toro, Adriana, Torre, Beatrice, Triantafyllou, Tania, Trigiante Trigiante, Giuseppe, Tripepi, Marzia, Trostchansky, Julio, Tsekouras, Konstantino, Turrado-Rodriguez, Victor, Tutino, Roberta, Uccelli, Matteo, Angelov Uchikov, Petar, Ugarte-Sierra, Bakarne, Tapani Ukkonen, Mika, Vailas, Michail, G Vassiliu, Panteleimon, Garcia Vazquez, Alain, Galeiras Vazquez, Rita, Velmahos, George, Ezequiel Verde, Juan, Manuel Verde, Juan, Veroux, Massimiliano, Viganò, Jacopo, Vilallonga, Ramon, Visconti, Diego, Vittori, Alessandro, Waledziak, Maciej, Wannatoop, Tongporn, Werner Widmer, Luka, Samuel James Wilson, Michael, Woltz, Sarah, Hway Wong, Ting, Xenaki, Sofia, Yu, Byungchul, Yule, Steven, Koshy Zachariah, Sanoop, Zacharis, Georgio, Zaghi, Claudia, Dzulkarnaen Zakaria, Andee, A Zambrano, Diego, Zampitis, Nikolao, Zampogna, Biagio, Zanghì, Simone, Zantedeschi, Maristella, Zapsalis, Konstantino, Zattoni, Fabio, Zese, Monica, Cobianchi L., Piccolo D., Mas F.D., Agnoletti V., Ansaloni L., Balch J., Biffl W., Butturini G., Catena F., Coccolini F., Denicolai S., De Simone B., Frigerio I., Fugazzola P., Marseglia G., Marseglia G.R., Martellucci J., Modenese M., Previtali P., Ruta F., Venturi A., Kaafarani H.M., Loftus T.J., Laboratoire des sciences de l'ingénieur, de l'informatique et de l'imagerie (ICube), École Nationale du Génie de l'Eau et de l'Environnement de Strasbourg (ENGEES)-Université de Strasbourg (UNISTRA)-Institut National des Sciences Appliquées - Strasbourg (INSA Strasbourg), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Institut National de Recherche en Informatique et en Automatique (Inria)-Les Hôpitaux Universitaires de Strasbourg (HUS)-Centre National de la Recherche Scientifique (CNRS)-Matériaux et Nanosciences Grand-Est (MNGE), Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de la Santé et de la Recherche Médicale (INSERM)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de la Santé et de la Recherche Médicale (INSERM)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Réseau nanophotonique et optique, Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Centre National de la Recherche Scientifique (CNRS)-Université de Strasbourg (UNISTRA)-Centre National de la Recherche Scientifique (CNRS), Team Dynamics Study Group, Cobianchi, L, Piccolo, D, Dal Mas, F, Agnoletti, V, Ansaloni, L, Balch, J, Biffl, W, Butturini, G, Catena, F, Coccolini, F, Denicolai, S, De Simone, B, Frigerio, I, Fugazzola, P, Marseglia, G, Martellucci, J, Modenese, M, Previtali, P, Ruta, F, Venturi, A, Kaafarani, H, Loftus, T, Abbott, K, Abdelmalik, A, Abebe, N, Abu-Zidan, F, Adam, Y, Adamou, H, Adamovich, D, Agresta, F, Agrusa, A, Akin, E, Alessiani, M, Alexandrino, H, Ali, S, Mihai, V, Almeida, P, Al-Shehari, M, Altomare, M, Amico, F, Ammendola, M, Andreuccetti, J, Anestiadou, E, Angelos, P, Annicchiarico, A, Antonelli, A, Aparicio-Sanchez, D, Ardito, A, Argenio, G, Arvieux, C, Askevold, I, Atanasov, B, Augustin, G, Awad, S, Bacchiocchi, G, Bagnoli, C, Bahouth, H, Baili, E, Bains, L, Baiocchi, G, Bala, M, Balague, C, Balalis, D, Baldini, E, Baraket, O, Baral, S, Barone, M, Barranquero, A, Barreras, J, Bass, G, Bayhan, Z, Bellanova, G, Ben-Ishay, O, Bert, F, Bianchi, V, Biancuzzi, H, Bidoli, C, Radulescu, R, Bignell, M, Biloslavo, A, Bini, R, Bissacco, D, Boati, P, Boddaert, G, Bogdanic, B, Bombardini, C, Bonavina, L, Bonomo, L, Bottari, A, Bouliaris, K, Brachini, G, Brillantino, A, Brisinda, G, Bulanauca, M, Buonomo, L, Burcharth, J, Buscemi, S, Calabretto, F, Calini, G, Calu, V, Campanile, F, Dall'Orto, R, Campos-Serra, A, Campostrini, S, Capoglu, R, Carvas, J, Cascella, M, Pattacini, G, Celentano, V, Centonze, D, Ceresoli, M, Chatzipetris, D, Chessa, A, Chiarello, M, Chirica, M, Chooklin, S, Chouliaras, C, Chowdhury, S, Cianci, P, Cillara, N, Cimbanassi, S, Cioffi, S, Colak, E, Ruiz, E, Conti, L, Coppola, A, De Sa, T, Costa, S, Cozza, V, Curro', G, Dabekaussen, K, D'Acapito, F, Damaskos, D, D'Ambrosio, G, Das, K, Davies, R, De Beaux, A, Fernandez, S, De Luca, A, De Stefano, F, Degrate, L, Demetrashvili, Z, Demetriades, A, Detanac, D, Dezi, A, Di Buono, G, Di Carlo, I, Di Lascio, P, Di Martino, M, Di Saverio, S, Diaconescu, B, Diaz, J, Dibra, R, Dimitrov, E, Dinuzzi, V, Dios-Barbeito, S, Diyani, J, Dogjani, A, Domanin, M, D'Oria, M, Munoz-Cruzado, V, East, B, Ekelund, M, Ekwen, G, Elbaih, A, Elhadi, M, Enninghorst, N, Ernisova, M, Escalera-Antezana, J, Esposito, S, Esposito, G, Estaire, M, Fare, C, Farre, R, Favi, F, Ferrario, L, Vajana, A, Filisetti, C, Fleres, F, Fonseca, V, Forero-Torres, A, Forfori, F, Fortuna, L, Fradelos, E, Fraga, G, Fransvea, P, Frassini, S, Frazzetta, G, Pizzocaro, E, Frountzas, M, Gachabayov, M, Galeiras, R, Vazquez, A, Gargarella, S, Garzali, I, Ghannam, W, Ghazi, F, Gillman, L, Gioco, R, Giordano, A, Giordano, L, Giove, C, Giraudo, G, Giuffrida, M, Capponi, M, Gois, E, Gomes, C, Gomes, F, Gonsaga, R, Gonullu, E, Goosen, J, Goranovic, T, Gracia-Roman, R, Graziano, G, Griffiths, E, Guagni, T, Hadzhiev, D, Haidar, M, Hamid, H, Hardcastle, T, Hayati, F, Healey, A, Hecker, A, Hecker, M, Garcia, E, Hodonou, A, Huaman, E, Huerta, M, Ibrahim, A, Ibrahim, B, Ietto, G, Inama, M, Ioannidis, O, Isik, A, Ismail, N, Ismail, A, Jailani, R, Jang, J, Kalfountzos, C, Kalipershad, S, Kaouras, E, Kaplan, L, Kara, Y, Karamagioli, E, Karamarkovia, A, Katsaros, I, Kavalakat, A, Kechagias, A, Kenig, J, Kessel, B, Khan, J, Khokha, V, Kim, J, Kirkpatrick, A, Klappenbach, R, Kluger, Y, Kobe, Y, Lymperis, E, Kok, K, Kong, V, Korkolis, D, Koukoulis, G, Kovacevic, B, Kruger, V, Kryvoruchko, I, Kurihara, H, Kuriyama, A, Landaluce-Olavarria, A, Lapolla, P, Leppaniemi, A, Licari, L, Lisi, G, Litvin, A, Lizarazu, A, Bayo, H, Lohsiriwat, V, Moreira, C, Lostoridis, E, Luna, A, Luppi, D, Machain, V, Maegele, M, Maggiore, D, Magnone, S, Maier, R, Major, P, Manangi, M, Manetti, A, Mantoglu, B, Marafante, C, Mariani, F, Marinis, A, Mariot, E, Martines, G, Perez, A, Martino, C, Mascagni, P, Massalou, D, Massaro, M, Matias-Garcia, B, Mazzarella, G, Mazzarolo, G, Melo, R, Mendoza-Moreno, F, Meric, S, Meyer, J, Miceli, L, Michalopoulos, N, Milana, F, Mingoli, A, Mishra, T, Mohamed, M, Mohamedahmed, A, Mohammed, M, Mohan, R, Moore, E, Morales-Garcia, D, Muhrbeck, M, Mulita, F, Mustafa, S, Muttillo, E, Naimzada, M, Navsaria, P, Negoi, I, Nespoli, L, Nguyen, C, Nidaw, M, Nigri, G, Nikolopoulos, I, O'Connor, D, Ogundipe, H, Oliveri, C, Olmi, S, Ong, E, Orecchia, L, Osipov, A, Othman, M, Pace, M, Pacilli, M, Pagani, L, Palomba, G, Pantalone, D, Panyko, A, Paolillo, C, Papa, M, Papaconstantinou, D, Papadoliopoulou, M, Papadopoulos, A, Papis, D, Pararas, N, Parreira, J, Parry, N, Pata, F, Patel, T, Paterson-Brown, S, Pavone, G, Pecchini, F, Pegoraro, V, Pellino, G, Pelloni, M, Peloso, A, Del Pozo, E, Pereira, R, Pereira, B, Perez, S, Perra, T, Perrone, G, Pesce, A, Petagna, L, Petracca, G, Phupong, V, Picardi, B, Picciariello, A, Piccoli, M, Picetti, E, Pikoulis, E, Pintar, T, Pirozzolo, G, Piscioneri, F, Podda, M, Porcu, A, Privitera, F, Punzo, C, Quaresima, S, Quiodettis, M, Qvist, N, Rahim, R, de Almeida, F, Ramely, R, Rasa, H, Reichert, M, Reinisch-Liese, A, Renne, A, Riccetti, C, Rodriguez-Luna, M, Roizblatt, D, Romanzi, A, Romeo, L, Roscio, F, Rosnelifaizur, R, Rossi, S, Rubiano, A, Ruiz-Ucar, E, Sakakushev, B, Salamea, J, Sall, I, Samarakoon, L, Sammartano, F, Arteaga, A, Sanchez-Cordero, S, Santoanastaso, D, Sartelli, M, Sasia, D, Sato, N, Savchuk, A, Sawyer, R, Scaioli, G, Schizas, D, Sebastiani, S, Seeliger, B, Lohse, H, Seretis, C, Sermonesi, G, Serradilla-Martin, M, Shelat, V, Shlyapnikov, S, Sidiropoulos, T, Simoes, R, Siragusa, L, Siribumrungwong, B, Slavchev, M, Solaini, L, Soldini, G, Sopuev, A, Soreide, K, Sovatzidis, A, Stahel, P, Strickland, M, Sultan, M, Sydorchuk, R, Sydorchuk, L, Syed, S, Tallon-Aguilar, L, Tamburini, A, Tamini, N, Tan, E, Tan, J, Tarasconi, A, Tartaglia, N, Tartaglia, G, Tartaglia, D, Taylor, J, Tebala, G, Teuben, M, Theodorou, A, Tolonen, M, Tomasicchio, G, Toro, A, Torre, B, Triantafyllou, T, Trigiante, G, Tripepi, M, Trostchansky, J, Tsekouras, K, Turrado-Rodriguez, V, Tutino, R, Uccelli, M, Uchikov, P, Ugarte-Sierra, B, Ukkonen, M, Vailas, M, Vassiliu, P, Vazquez, R, Velmahos, G, Verde, J, Veroux, M, Vigano, J, Vilallonga, R, Visconti, D, Vittori, A, Waledziak, M, Wannatoop, T, Widmer, L, Wilson, M, Woltz, S, Wong, T, Xenaki, S, Yu, B, Yule, S, Zachariah, S, Zacharis, G, Zaghi, C, Zakaria, A, Zambrano, D, Zampitis, N, Zampogna, B, Zanghi, S, Zantedeschi, M, Zapsalis, K, Zattoni, F, and Zese, M

Subjects
Settore SECS-P/10 - Organizzazione Aziendale, Settore MED/18 - Chirurgia Generale, Artificial intelligence, Settore SECS-P/07 - Economia Aziendale, Decision aid, Emergency Medicine, Decision aids, Surgery, [SDV.IB]Life Sciences [q-bio]/Bioengineering, Trauma and emergency surgery, Clinical decision-making, Survey
Abstract

Background Artificial intelligence (AI) is gaining traction in medicine and surgery. AI-based applications can offer tools to examine high-volume data to inform predictive analytics that supports complex decision-making processes. Time-sensitive trauma and emergency contexts are often challenging. The study aims to investigate trauma and emergency surgeons’ knowledge and perception of using AI-based tools in clinical decision-making processes. Methods An online survey grounded on literature regarding AI-enabled surgical decision-making aids was created by a multidisciplinary committee and endorsed by the World Society of Emergency Surgery (WSES). The survey was advertised to 917 WSES members through the society’s website and Twitter profile. Results 650 surgeons from 71 countries in five continents participated in the survey. Results depict the presence of technology enthusiasts and skeptics and surgeons' preference toward more classical decision-making aids like clinical guidelines, traditional training, and the support of their multidisciplinary colleagues. A lack of knowledge about several AI-related aspects emerges and is associated with mistrust. Discussion The trauma and emergency surgical community is divided into those who firmly believe in the potential of AI and those who do not understand or trust AI-enabled surgical decision-making aids. Academic societies and surgical training programs should promote a foundational, working knowledge of clinical AI.

Published
2023
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16. Surgery for metachronous oligometastatic esophageal cancer: Is there enough evidence?

Author

Ioannis Katsaros, Michail Vailas, Theodore Liakakos, Maria Sotiropoulou, Konstantinos S. Mylonas, Dimitrios Schizas, Ioannis A. Ziogas, and Alkistis Kapelouzou

Subjects
medicine.medical_specialty, Esophageal Neoplasms, medicine.medical_treatment, 030230 surgery, Anastomosis, Metastasis, 03 medical and health sciences, 0302 clinical medicine, medicine, Humans, Lymph node, business.industry, Standard treatment, General Engineering, Esophageal cancer, medicine.disease, Surgery, Radiation therapy, Esophagectomy, medicine.anatomical_structure, Lymphatic Metastasis, Lymph Node Excision, Neoplasm Recurrence, Local, business, Chemoradiotherapy
Abstract

Esophageal cancer is the sixth most common cause of cancer-related mortality worldwide. Despite advances in diagnostic modalities and treatment options, five-year survival rates are below 20%. Esophagectomy with extended lymph node dissection is the mainstay of treatment. More than 50% of patients experience recurrence within 1-3 years postoperatively. Recurrent disease may present locoregionally at the site of anastomosis or as recurrence through lymphatic spread in lymph node basins, as hematogenic metastasis, or as a combination of these. The standard treatment of recurrence is currently predicated on systemic chemotherapy and/or radiotherapy. Recent evidence suggests that surgical treatment of metachronous oligometastatic disease may be prognostically advantageous over medical management alone. Given the considerably low response rates to chemoradiotherapy, many institutions have adopted surgical treatment strategies for oligo-recurrent disease on a case-by-case basis. The aim of this article is to review the current evidence on the role of surgical treatment for metachronous oligometastases from esophageal cancer.

Published
2021
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17. Primary Angiosarcoma of the Gastrointestinal Tract: A Systematic Review of the Literature

Author

Afroditi Ziogou, Ioannis Koutelidakis, Alexios Giannakodimos, Ilias Giannakodimos, Pantelis Vassiliu, Dimitrios Schizas, Maximos Frountzas, Aikaterini Mastoraki, Ioannis Katsaros, and Emmanouil Pikoulis

Subjects
Adult, Male, Surgical resection, Pathology, medicine.medical_specialty, government.form_of_government, Hemangiosarcoma, 03 medical and health sciences, 0302 clinical medicine, Intestine, Small, Humans, Medicine, Angiosarcoma, neoplasms, Aged, Aged, 80 and over, Gastrointestinal tract, business.industry, Endothelial Cells, Middle Aged, Primary Angiosarcoma, digestive system diseases, Lymphatic Endothelium, Clinical evidence, 030220 oncology & carcinogenesis, government, Female, 030211 gastroenterology & hepatology, Surgery, business
Abstract

Primary Gastrointestinal Angiosarcoma (PGAS) constitutes a rare malignant tumor arising from vascular or lymphatic endothelial cells. The aim of this study was to review the available literature on PGAS and to elucidate its biological behavior and optimal therapeutic approach. PubMed and Embase bibliographical databases were systematically searched (last search April 8

Published
2020
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18. Pediatric surgery during the COVID-19 pandemic

Author

Aikaterini Dedeilia, Ioannis A. Ziogas, Georgios Tsoulfas, Ioannis Katsaros, Dimitrios Giannis, and Stepan M. Esagian

Subjects
medicine.medical_specialty, Coronavirus disease 2019 (COVID-19), Review, Pediatric surgery, 03 medical and health sciences, 0302 clinical medicine, 030225 pediatrics, Intensive care, Personal protective equipment, Pandemic, Health care, medicine, business.industry, SARS-CoV-2, COVID-19, medicine.disease, Triage, Coronavirus, Workflow, Pediatrics, Perinatology and Child Health, Emergency surgery, 030211 gastroenterology & hepatology, Medical emergency, business
Abstract

The coronavirus disease 2019 (COVID-19) pandemic has had a major impact on pediatric surgery. The infection is often asymptomatic and atypical in children, while overlapping presentations with other infectious diseases generate additional diagnostic challenges. The high probability of missed pediatric cases and the invasive nature of surgery generate great concern for widespread transmission in this setting. Current guidelines suggest that triage of cases should be made on a case-by-case basis by a multidisciplinary team of experts. Decision-making can be assisted by classifying cases as elective, urgent, or an emergency according to the risks of delaying their surgical management. A workflow diagram should ideally guide the management of all cases from admission to discharge. When surgery is necessary, all staff should use appropriate personal protective equipment, and high-risk practices, such as aerosol-generating tools or procedures, should be avoided if possible. Furthermore, carefully designed organizational protocols should be established to minimize transmission while ensuring the uninterrupted operation of pediatric surgery units. For example, surgical teams can be divided into small weekly rotating groups, and healthcare workers should be continuously monitored for COVID-19 symptoms. Additionally, team protocols in the operating room can optimize communication and improve adherence to personal protective equipment use. Isolated operating rooms, pediatric intensive care units, and surgical wards should be specifically designed for suspected or confirmed COVID-19 cases. Finally, transportation of patients should be minimal and follow designated short routes. All these measures can help mitigate the effects of the COVID-19 pandemic on pediatric surgery units.

Published
2020

19. Supravesical hernias: a systematic review of the literature

Author

Michail Papapanou, Dimitrios Tsapralis, Eleni Routsi, Ioannis Katsaros, Dimitrios Schizas, Evangelia Kontogeorgi, Aikaterini Mastoraki, and Konstantinos Vlachos

Subjects
Adult, Male, Internal hernia, medicine.medical_specialty, Abdominal pain, medicine.medical_treatment, Abdominal wall, 03 medical and health sciences, Supravesical fossa, 0302 clinical medicine, Internal Hernia, medicine, Humans, Hernia, Herniorrhaphy, Aged, business.industry, General Medicine, Bowel resection, Middle Aged, Surgical Mesh, Hernia repair, medicine.disease, Hernia, Ventral, Surgery, Bowel obstruction, medicine.anatomical_structure, 030220 oncology & carcinogenesis, Female, Laparoscopy, 030211 gastroenterology & hepatology, medicine.symptom, business, Intestinal Obstruction
Abstract

BACKGROUND A supravesical hernia (SH) is a rare abdominal wall hernia that is defined by the protrusion of abdominal viscera through the supravesical fossa. The objective of this study was to review current literature on SHs and elucidate their clinical manifestations and preferred therapeutic approach. METHODS PubMed, Embase and Cochrane bibliographical databases were searched (last search: 30 March 2020) for articles reporting on SHs. RESULTS Thirty-four studies met our inclusion criteria and involved collectively 38 patients (94.7% males) with an age of 59.57 ± 14.84 (mean ± standard deviation) years. Abdominal pain (81.6%) and nausea and vomit (71.1%) were the most frequently encountered symptoms. The majority of patients (78.1%) had signs of bowel obstruction. Twenty-nine patients (76.3%) suffered from an internal SH, while nine (23.7%) had an external one. An open hernia repair was conducted at 29 patients (76.3%), while eight (21.1%) had a laparoscopic approach and in one case (2.6%) the laparoscopic operation was converted to an open one. A mesh was applied at 14.3% of included cases. Eight patients (21.1%) underwent a bowel resection and hernia sac was resected at six (15.8%) cases. Four patients (11.8%) experienced postoperative complications and one patient (2.9%) died on first postoperative day. CONCLUSION SH is an extremely rare type of hernia occurring through the supravesical fossa between the remnants of urachus and foetal umbilical arteries. All clinicians should be aware of this entity and further studies are necessary in order to clarify their aetiology, true incidence and optimal therapeutic approach.

Published
2020
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20. Primary gastric melanoma in adult population: a systematic review of the literature

Author

Nikolaos Machairas, Dimitrios Mantas, Ioannis Katsaros, Ioannis S. Papanikolaou, Dimitrios Schizas, Anna Paspala, Nefeli Tomara, Stratigoula Sakellariou, and Diamantis I. Tsilimigras

Subjects
Adult, Male, medicine.medical_specialty, Abdominal pain, medicine.medical_treatment, Diagnosis, Differential, 03 medical and health sciences, Therapeutic approach, 0302 clinical medicine, Gastrectomy, Melena, Internal medicine, medicine, Humans, Melanoma, Aged, business.industry, Stomach, Mucosal melanoma, General Medicine, Middle Aged, medicine.disease, medicine.anatomical_structure, 030220 oncology & carcinogenesis, Female, 030211 gastroenterology & hepatology, Surgery, Neoplasm Recurrence, Local, medicine.symptom, Differential diagnosis, business, Rare disease
Abstract

BACKGROUND Primary gastric melanoma (PGM) is a rare malignant tumour of the stomach with poor prognosis. The aim of this systematic review was to assess the available literature on this entity and to highlight its biological behaviour and preferred treatment approach. METHODS PubMed and Cochrane bibliographical databases were independently searched (last search: 2 February 2020) by two investigators for articles reporting on PGM in the adult population. RESULTS Twenty-five studies met the inclusion criteria and concerned collectively 25 patients (18 males and seven females) with an age of 63.4 ± 8.97 years (mean ± standard deviation). Main symptoms included abdominal pain (64%), weight loss (48%) and hematemesis or melena (32%). The most frequent tumour location was the body of the stomach (54.2%). All tumours were surgically resected and the majority of the patients had a partial gastrectomy (52%). Median recurrence time was 5 months and 12% of patients reached 5-year survival landmark. CONCLUSION PGM is a rare disease characterized by an aggressive malignant behaviour. Its differential diagnosis from a metastatic lesion is crucial. A prompt diagnosis and therapeutic approach are needed. Further studies are required to elucidate the optimal management of this clinical entity.

Published
2020
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21. Use, Safety and Effectiveness of Subintimal Angioplasty and Re-Entry Devices for the Treatment of Iliac Artery Chronic Total Occlusions: A Systematic Review of 30 Studies and 1112 Lesions

Author

Christos Bakoyannis, Damianos G. Kokkinidis, Anil Kumar Jonnalagadda, Christos A. Papanastasiou, Ehrin J. Armstrong, Ioannis Katsaros, Dimitrios Schizas, and Adarsh Katamreddy

Subjects
Male, medicine.medical_specialty, Future studies, Percutaneous, Subintimal angioplasty, Occlusive disease, Arterial Occlusive Diseases, 030204 cardiovascular system & hematology, Iliac Artery, 03 medical and health sciences, 0302 clinical medicine, medicine, Humans, 030212 general & internal medicine, Vascular Patency, Retrospective Studies, Iliac artery, Surgical approach, business.industry, Angioplasty, Re entry, General Medicine, Critical limb ischemia, Surgery, Femoral Artery, Treatment Outcome, Female, Stents, medicine.symptom, Cardiology and Cardiovascular Medicine, business
Abstract

Background Management of iliac artery occlusive disease has changed dramatically over the past few decades. Secondary to advancement in endovascular technologies and techniques, percutaneous interventions have gradually replaced open surgical approaches even for the most difficult cases. In difficult to cross chronic total occlusions (CTO) of the iliac artery, subintimal angioplasty (SIA) with or without the use of re-entry devices (RED) offers a valuable alternative to intra-luminal crossing. Objective To systematically review the literature for studies reporting procedural or short- and long-term clinical outcomes after the use of SIA, with or without RED use for iliac CTOs. Methods PRISMA guidelines were followed. Literature search (PubMed, Cochrane CENTRAL and EMBASE) and data extraction were performed by two independent researchers. Quantitative synthesis of the reported outcomes was applied when possible. Results Thirty studies met the inclusion criteria and were selected as eligible for this systematic review, with a total of 1002 patients (61.3% males) and 1112 lesions treated with SIA. RED were used in 21.9% of the lesions. Critical limb ischemia was the indication in 51.4%. The overall procedural success rates were 85.8% for SIA and 88.5% for RED. The complication rate ranged from 0 to 10% among different series, but overall it was similar among the two groups (6.9% in the RED group and 6.7% among the SIA group). One year primary patency rates were around 60% in the RED. In the SIA only arm, there was a large heterogeneity, with patency rates ranging from 51.7% to 96.8%. Conclusion SIA with or without RED use is a safe and effective treatment for the treatment of iliac artery CTOs. Future studies are needed to delineate whether intraluminal crossing or SIA is more effective for endovascular treatment of iliac CTOs.

Published
2020
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22. Surgical management of familial pancreatic cancer: a systematic review of the literature

Author

George Bagias, Prodromos Kanavidis, Michail Vailas, Markos Despotidis, Maria Sotiropoulou, Ioannis Katsaros, Ioannis Maroulis, Dimitrios Filippou, and Dimitrios Schizas

Subjects
Pancreatic Neoplasms, Pancreatectomy, Humans, Surgery, General Medicine, Neoplasm Recurrence, Local, Carcinoma, Pancreatic Ductal, Retrospective Studies
Abstract

Pancreatic ductal adenocarcinoma (PDAC) is the third most common cause of cancer-related mortality. The fact that the vast majority of patients with PDAC are diagnosed at an advanced stage highlights the need of early diagnosis. As hereditary factors are associated with approximately 5% of all PDAC cases, a screening programme to these high-risk individuals (HRI) has been proposed. The aim of screening methods is to identify selected group of patients with morphological abnormalities at an early stage, in order to be treated promptly. In this study, we evaluate the surgical outcomes and the appropriateness of pancreatic resection in HRIs who were selected for screening.A systematic literature search of the PubMed, Embase, and Cochrane databases was performed. The clinicopathological features were recorded and evaluated.Six studies were selected for data collection. A total number of 77 patients were identified. Twenty-one patients had a germline mutation, with CDKN2A being the most prominent one (15.6%). Distal pancreatectomy was the most common surgical procedure (42.8%), followed by pancreaticoduodenectomy (33.8%). The mean disease-free survival was 23.6 months and tumour recurrence occurred in 9 patients (11.7%). Disease-specific mortality was 17.8%, while overall mortality was 19.5%. The most frequently reported postoperative diagnosis was PDAC (28 cases, 38.9%), followed by IPMN (23 cases, 31.9%), whereas high-grade PanIN lesions were found in 13 patients (18.1%).High-risk individuals for pancreatic cancer, who are eventually operated may have a relatively uneventful postoperative course, however the oncological outcomes are comparable to the general population.

Published
2022

23. Bochdalek hernias in the adult population: a systematic review of the literature

Author

Ioannis Katsaros, Spyridon Giannopoulos, Stamatia Katelani, Michail Vailas, Maria Sotiropoulou, Dimitrios Papaconstantinou, Ilias Giannakodimos, Emmanouil I Kapetanakis, Periklis Tomos, and Dimitrios Schizas

Subjects
Adult, Male, Abdomen, Stomach, Humans, Surgery, Abdominal Cavity, Female, General Medicine, Middle Aged, Hernias, Diaphragmatic, Congenital, Abdominal Pain, Aged
Abstract

Bochdalek hernia (BH) is characterized by the protrusion of viscera into thorax through the posterolateral section of the diaphragm. The aim of this study was to systematically review current literature concerning Bochdalek hernias in adults and elucidate their clinical characteristics and preferable treatment approach.A search of PubMed and Cochrane bibliographical databases for studies regarding BHs was conducted (last search: 31st March 2021).Predefined inclusion criteria were met by 173 articles and concerned collectively 192 patients (50.5% males) with a mean age of 45.41 ± 20.26 years. Abdominal pain (62.0%) and pulmonary symptoms (41.1%) were the predominant symptomatology of included cases. BHs protruded mainly through the left side of the diaphragm (70.7%), with large intestine (42.7%) and stomach (37.1%) being the most commonly herniated abdominal organs. Most patients (53.8%) underwent an open surgical approach, while abdominal approach was preferred (64.8%). to the thoracic one. Thirty-day postoperative complication were encountered at 21.5% of patients, while 30-day mortality reached 4.4%.BH is an extremely rare type of congenital diaphragmatic hernia. It rarely concerns adults, and it manifests with vague gastrointestinal or pulmonary symptoms. Surgical approach is the preferred method for their management with open procedures being preferable at emergency cases, while minimal invasive approach necessitates experienced centers. Further research is needed in order to clarify their true incidence and optimal therapeutic strategy.

Published
2022

24. Robot-Assisted Minimally Invasive Esophagectomy versus Open Esophagectomy for Esophageal Cancer: A Systematic Review and Meta-Analysis

Author

Stepan M. Esagian, Ioannis A. Ziogas, Konstantinos Skarentzos, Ioannis Katsaros, Georgios Tsoulfas, Daniela Molena, Michalis V. Karamouzis, Ioannis Rouvelas, Magnus Nilsson, and Dimitrios Schizas

Subjects
Cancer Research, Oncology
Abstract

Robot-assisted minimally invasive esophagectomy (RAMIE) was introduced as a further development of the conventional minimally invasive esophagectomy, aiming to further improve the high morbidity and mortality associated with open esophagectomy. We aimed to compare the outcomes between RAMIE and open esophagectomy, which remains a popular approach for resectable esophageal cancer. Ten studies meeting our inclusion criteria were identified, including five retrospective cohort, four prospective cohort, and one randomized controlled trial. RAMIE was associated with significantly lower rates of overall pulmonary complications (odds ratio (OR): 0.38, 95% confidence interval (CI): [0.26, 0.56]), pneumonia (OR: 0.39, 95% CI: [0.26, 0.57]), atrial fibrillation (OR: 0.53, 95% CI: [0.29, 0.98]), and wound infections (OR: 0.20, 95% CI: [0.07, 0.57]) and resulted in less blood loss (weighted mean difference (WMD): −187.08 mL, 95% CI: [−283.81, −90.35]) and shorter hospital stays (WMD: −9.22 days, 95% CI: [−14.39, −4.06]) but longer operative times (WMD: 69.45 min, 95% CI: [34.39, 104.42]). No other statistically significant difference was observed regarding surgical and short-term oncological outcomes. Similar findings were observed when comparing totally robotic procedures only to OE. RAMIE is a safe and feasible procedure, resulting in decreased cardiopulmonary morbidity, wound infections, blood loss, and shorter hospital stays compared to open esophagectomy.

Published
2022

25. Nonalcoholic fatty liver disease: The role of quercetin and its therapeutic implications

Author

Michail Vailas, Nikolaos Kostomitsopoulos, George V. Papatheodoridis, Ioannis Katsaros, Alexandra K. Tsaroucha, Dimitrios Schizas, Irene Lidoriki, Maria Sotiropoulou, and Georgia Valsami

Subjects
nonalcoholic fatty liver disease, Population, Flavonoid, Inflammation, RC799-869, Disease, Type 2 diabetes, Review Article, Pharmacology, Chronic liver disease, chemistry.chemical_compound, Non-alcoholic Fatty Liver Disease, Nonalcoholic fatty liver disease, Medicine, Humans, heterocyclic compounds, nonalcoholic steatohepatitis, education, chemistry.chemical_classification, Flavonoids, education.field_of_study, business.industry, Gastroenterology, Diseases of the digestive system. Gastroenterology, medicine.disease, chemistry, Diabetes Mellitus, Type 2, Liver, Quercetin, medicine.symptom, business
Abstract

Nonalcoholic fatty liver disease (NAFLD) is the most common form of chronic liver disease, affecting almost one-third of the general population and 75% of obese patients with type 2 diabetes. The aim of this article is to review the current evidence concerning the role of quercetin, a natural compound and flavonoid, and its possible therapeutic effects on this modern-day disease. Despite the fact that the exact pathophysiological mechanisms through which quercetin has a hepatoprotective effect on NAFLD are still not fully elucidated, this review clearly demonstrates that this flavonoid has potent antioxidative stress action and inhibitory effects on hepatocyte apoptosis, inflammation, and generation of reactive oxygen species, factors which are linked to the development of the disease. NAFLD is closely associated with increased dietary fat consumption, especially in Western countries. The hepatoprotective effect of quercetin against NAFLD merits serious consideration and further validation by future studies.

Published
2021

28. Pseudoachalasia: a systematic review of the literature

Author

Nikoletta A Theochari, Konstantinos S. Mylonas, Adamantios Michalinos, Andrianos Tsekrekos, Tania Triantafyllou, Dimitrios Schizas, Dimitrios Kamberoglou, Ioannis Rouvelas, and Ioannis Katsaros

Subjects
Adult, Male, Pediatrics, medicine.medical_specialty, Rumination, Digestive, Time Factors, Manometry, Achalasia, Diagnostic modalities, Diagnosis, Differential, 03 medical and health sciences, 0302 clinical medicine, Stomach Neoplasms, Weight loss, Weight Loss, otorhinolaryngologic diseases, medicine, Animals, Humans, Diagnostic Errors, Child, Aged, Aged, 80 and over, medicine.diagnostic_test, business.industry, Gastroenterology, Endoscopy, Middle Aged, medicine.disease, Dysphagia, Deglutition, Esophageal Achalasia, Systematic review, Cardiothoracic surgery, 030220 oncology & carcinogenesis, Etiology, Female, 030211 gastroenterology & hepatology, Esophagogastric Junction, medicine.symptom, Deglutition Disorders, Tomography, X-Ray Computed, business
Abstract

Pseudoachalasia, also known as secondary achalasia, is a clinical condition mimicking idiopathic achalasia but most commonly caused by malignant tumors of gastroesophageal junction (GEJ). Our aim was to systematically review and present all available data on demographics, clinical features, and diagnostic modalities involved in patients with pseudoachalasia. A systematic search of literature published during the period 1978-2019 was conducted in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines (end-of-search date: June 25th, 2019). Two independent reviewers extracted data with regards of study design, interventions, participants, and outcomes. Thirty-five studies met our inclusion criteria and were selected in the present review. Overall, 140 patients with pseudoachalasia were identified, of whom 83 were males. Mean patient age was 60.13 years and the mean weight loss was 13.91 kg. A total of 33 (23.6%) patients were wrongly 'treated' at first for achalasia. The most common presenting symptoms were dysphagia, food regurgitation, and weight loss. The median time from symptoms' onset to hospital admission was 5 months. Most common etiology was gastric cancer (19%). Diagnostic modalities included manometry, barium esophagram, endoscopy, and computed tomography (CT). Pseudoachalasia is a serious medical condition that is difficult to be distinguished from primary achalasia. Clinical feature assessment along with the correct interpretation of diagnostic tests is nowadays essential steps to differentiate pseudoachalasia from idiopathic achalasia.

Published
2020
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29. Use, Safety and Effectiveness of Subintimal Angioplasty and Re-Entry Devices for the Treatment of Femoropopliteal Chronic Total Occlusions: A Systematic Review of 87 Studies and 4,665 Patients

Author

Amit Kakkar, Ioannis Katsaros, Seth J. Avner, Eric A. Secemsky, Jay Giri, Ehrin J. Armstrong, Christos Bakoyiannis, Damianos G. Kokkinidis, Anil Kumar Jonnalagadda, and Nikolaos Chaitidis

Subjects
Male, medicine.medical_specialty, Time Factors, Subintimal angioplasty, Lumen (anatomy), Constriction, Pathologic, Total population, 030204 cardiovascular system & hematology, Peripheral Arterial Disease, 03 medical and health sciences, 0302 clinical medicine, Risk Factors, Humans, Medicine, Popliteal Artery, 030212 general & internal medicine, Endovascular treatment, Vascular Patency, Aged, Aged, 80 and over, business.industry, Angioplasty, Re entry, Treatment method, Equipment Design, General Medicine, Critical limb ischemia, Middle Aged, Vascular System Injuries, Surgery, Femoral Artery, Treatment Outcome, medicine.anatomical_structure, Chronic Disease, Female, medicine.symptom, Cardiology and Cardiovascular Medicine, business, Vascular Access Devices, Artery
Abstract

Background Subintimal angioplasty (SIA) is often utilized to cross femoropopliteal (FP) artery chronic total occlusions (CTOs). Re-entry devices (RED) can further assist with true lumen re-entry. Objective To systematically review the literature for studies reporting on the use of SIA, with or without RED. Methods A systematic review according to the PRISMA guidelines was performed. Quantitative synthesis was applied when possible. Results 87 studies and 4665 patients (5161 lesions) were included (63.9% male). 46.7% of patients had critical limb ischemia at the time of the intervention. Two RED types were used (Pioneer and Outback). Sixty-eight studies included lesions treated with SIA without RED, 17 studies included lesions treated with RED only, and two studies included a comparison between the two treatment methods. In total, 3898 (83.6%) patients were treated with SIA without RED and 754 (12.2%) with RED. Procedural success rate ranged from 64.5%–100% (92.5% for SIA without RED, 88.3% for RED cases). The complication rate ranged from 1.6% - 28% among different studies (cumulative rates: SIA: 9.1%, RED 9.3%). Perforations occurred in 1.6% of the total population (n = 46). Primary patency at one year ranged from 22% to 94.1%. Newer studies had a higher patency rate, ranging from 70% to 94.1%. Conclusion SIA with or without RED is a valuable alternative to intraluminal crossing for endovascular treatment of FP CTOs. Procedural success was excellent for both techniques, while the cumulative complication rate was numerically lower in the RED group. Short- and long-term outcomes were acceptable for both techniques.

Published
2020
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30. DEGLOVING INJURY OF THE LOWER EXTREMITY: REPORT OF TWO CASES

Author

Evangelos Vafias, Ioannis Katsaros, Vladimiros Kyriakidis, Loukas Agorgianitis, Athanasios Zacharopoulos, and A. V. Kyriakidis

Subjects
Male, Reconstructive surgery, medicine.medical_specialty, medicine.medical_treatment, Alginate dressing, medicine, Humans, Degloving Injuries, Right Thigh, Aged, Tissue viability, Degloving, Debridement, business.industry, Skin Transplantation, General Medicine, Middle Aged, medicine.disease, Surgery, medicine.anatomical_structure, Thigh, Female, Presentation (obstetrics), business, Leg Injuries, Cervical vertebrae
Abstract

Objective. The aim of our article is to highlight the im­portance of the immediate treatment of lower extrem­ity degloving injuries, in order to prevent complica­tions. Cases Presentation. Here we present two cases of degloving injury of the lower extremity, both result­ing from motorway accidents. The first one concerned a 65-year-old man suffering from multiple limb frac­tures and a degloving injury of the right thigh, which was immediately treated with extensive debridement and primary full-thickness skin graft re-approxima­tion. The second case involved a 63-year-old woman who presented with cervical vertebrae fractures and a degloving injury of the left posterior leg, which, due to the severity of her condition, was treated with a delayed approach resulting in skin necrosis, which required surgical debridement, alginate dressing and foam cover. Conclusions. The optimal approach to treatment of degloving injuries is challenging and they warrant immediate surgical attention. An early diag­nosis and the evaluation of tissue viability are impor­tant in order to prevent limb-threatening situations.

Published
2019
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31. Pericardial hernias in adults: a systematic review of the literature

Author

Stylianos Kykalos, Nikolaos Arkadopoulos, Constantinos Nastos, Dimitrios V. Avgerinos, Dimitrios Schizas, Nikoletta A Theochari, Ioannis Katsaros, Elli Karatza, Grigoris Chatzimavroudis, and Nikolaos V. Michalopoulos

Subjects
Adult, Pulmonary and Respiratory Medicine, medicine.medical_specialty, Diaphragmatic breathing, 030204 cardiovascular system & hematology, 03 medical and health sciences, 0302 clinical medicine, medicine, Humans, Pericardium, Hernia, Herniorrhaphy, Hernia, Diaphragmatic, business.industry, Mortality rate, Transverse colon, Surgical Mesh, Greater omentum, medicine.disease, Surgery, medicine.anatomical_structure, 030220 oncology & carcinogenesis, Abdomen, Laparoscopy, Cardiology and Cardiovascular Medicine, business, Omentum, Rare disease
Abstract

OBJECTIVES A pericardial hernia is defined as the protrusion of abdominal viscera through the central tendon of the diaphragm into the pericardial sac. It is a rare clinical entity whose symptoms vary considerably. The objective of this study was to evaluate the clinical manifestations of and the optimal surgical treatments for pericardial hernias. METHODS PubMed and the Cochrane bibliographical databases were searched (last search: 20 April 2019) for studies on pericardial diaphragmatic hernias in the adult population. RESULTS Eighty studies met our inclusion criteria and reported on 85 patients (62 men and 23 women) with a mean age of 55.86 ± 15.79 years (mean ± standard deviation) presenting with a pericardial hernia at health care facilities. The leading aetiology was trauma (56.5%) followed by iatrogenic interventions (30.6%). The most common herniated organs were the transverse colon (49.4%) and the greater omentum (48.2%). Seventy-one patients (83.5%) underwent an open surgical repair, whereas 14 (16.5%) had a laparoscopic approach. Mesh or a patch was applied in 41.9% of cases. A postoperative morbidity rate of 16.9% was recorded, whereas the mortality rate reached 2.4%. CONCLUSIONS Pericardial hernia is a rare disease characterized by abdominal organs herniating into the pericardium. It requires a high degree of suspicion for early diagnosis, and all medical professionals should be encouraged to report such cases to clarify the best available therapeutic approach.

Published
2019
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32. Arterial collateral circulation pathways in patients with aortoiliac occlusive disease

Author

Efstratios Georgakarakos, Konstantinos Frigkas, Vasileios Souftas, Ioannis Katsaros, Aliki Fiska, and Kalliopi-Maria Tasopoulou

Subjects
Male, medicine.medical_specialty, Computed Tomography Angiography, Critical Illness, Aortic Diseases, Occlusive disease, Collateral Circulation, Aortoiliac occlusive disease, 030204 cardiovascular system & hematology, Aortography, Iliac Artery, 030218 nuclear medicine & medical imaging, Peripheral Arterial Disease, 03 medical and health sciences, 0302 clinical medicine, Ischemia, Internal medicine, medicine.artery, Multidetector Computed Tomography, medicine, Humans, Radiology, Nuclear Medicine and imaging, In patient, Aorta, Abdominal, Aged, Retrospective Studies, Aorta, business.industry, General Medicine, Critical limb ischemia, Intermittent Claudication, Middle Aged, medicine.disease, Collateral circulation, Intermittent claudication, Regional Blood Flow, Cardiology, Female, Surgery, medicine.symptom, Cardiology and Cardiovascular Medicine, business, Magnetic Resonance Angiography
Abstract

Objectives Aortoiliac occlusive disease is a leading cause of morbidity and mortality worldwide. Patients typically present with intermittent claudication or critical limb ischemia but the majority of them remain asymptomatic. Collateral arterial pathways restore the arterial blood supply distal to the lesions. The objective of this study is the description of collateral pathways’ patterns of aortoiliac occlusive disease. Methods Records from the Department of Vascular Surgery of University General Hospital of Alexandroupolis were retrospectively searched from March 2016 to August 2018 for patients suffering from aortoiliac occlusive disease. Results Thirty-three patients (24 males, 9 females) with a mean age of 64.2 ± 11.8 years were included in this study. Twenty-two patients had diabetes mellitus, 25 hypertension, and 16 dyslipidemia. Twenty-two were active smokers. Seventeen patients suffered from intermittent claudication and 16 patients presented with critical limb ischemia. Seven patients had TASC-II B lesions, 10 TASC-II C lesions, and 16 patients had TASC-II D lesions. Systemic collateral pathways were dominant in 17 patients, whereas visceral pathways were prominent in 16 patients. While 62.5% of patients having lesions in the abdominal aorta presented systemic pathways, the lesions located only in the iliac arteries followed visceral patterns or systematic patterns equally. Conclusions Collateral anastomotic networks provide blood supply to regions distal to aortoiliac occlusive lesions. Their pattern is defined mainly by the location of the lesion and does not seem to associate with comorbid factors or the extent of the lesion. Failure to recognize these networks during surgery could lead to limb threatening situations.

Published
2019
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33. Management of Morgagni's Hernia in the Adult Population: A Systematic Review of the Literature

Author

Ioannis, Katsaros, Stamatia, Katelani, Spyridon, Giannopoulos, Nikolaos, Machairas, Stylianos, Kykalos, Nikolaos, Koliakos, Emmanouil I, Kapetanakis, Anargyros, Bakopoulos, and Dimitrios, Schizas

Subjects
Adult, Male, Postoperative Complications, Elective Surgical Procedures, Humans, Female, Laparoscopy, Middle Aged, Hernias, Diaphragmatic, Congenital, Aged, Colon, Transverse
Abstract

Morgagni's hernia (MH) is defined by the protrusion of abdominal viscera through an anterior retrosternal diaphragmatic defect. The objective of this study was to systematically review current literature on MHs in adult population and assess their clinical characteristics and therapeutic approach.PubMed and Cochrane bibliographical databases were searched (last search: 15Inclusion criteria were met by 189 studies that included 310 patients (61.0% females) with an age of 57.37 ± 18.41 (mean ± SD) years. Pulmonary symptoms, abdominal pain, and nausea-vomit were among the most frequent symptomatology. MHs were predominantly right-sided (84.0%), with greater omentum (74.5%) and transverse colon (65.1%) being the most commonly herniated viscera. The majority of cases underwent an open procedure, while 42.3% of patients had a minimally invasive procedure. Abdominal approach was mostly preferred, while a thoracic one was chosen at 20.6% of cases and a thoracoabdominal at 3.2%. Thirty-day postoperative complications were recorded at 29 patients and 30-day mortality was 2.3%.MH is a rare type of congenital diaphragmatic hernia which rarely manifests in adult population with atypical pulmonary and gastrointestinal symptoms. Surgery is the gold standard for their management. Open surgical approach is preferable in emergency cases, while laparoscopic surgery is favored in elective setting and is associated with shorter hospitalization. Further studies are crucial in order to elucidate etiology and optimal therapeutic approach.

Published
2021

35. Bioactive silicon nitride implants through surface modification

Author

Cecilia Persson, Ioannis Katsaros, Wei Xia, Håkan Engqvist, and Ken Welch

Subjects
chemistry.chemical_compound, Materials science, Silicon nitride, chemistry, Surface modification, Nanotechnology, Neurology. Diseases of the nervous system, RC346-429
Published
2021

36. An extremely rare clinical manifestation of acute appendicitis in a nonagenarian patient: lessons still to be learned

Author

Anargyros Bakopoulos, Nikolaos Koliakos, Ioannis Katsaros, Natasha Hasemaki, Dimitrios Tsapralis, Diamantis I. Tsilimigras, Dimitrios Moris, and Dimitrios Schizas

Subjects
Aged, 80 and over, Nonagenarians, Acute Disease, Humans, General Medicine, Appendicitis
Abstract

Abstract Acute appendicitis is associated with a relatively high mortality rate among elderly patients due to the unusual clinical presentation that often leads to misdiagnosis and, in turn, severe complications. This report describes an extremely uncommon clinical manifestation of acute appendicitis in an elderly patient - a subcutaneous abdominal wall abscess initially treated as cellulitis. Despite the initial misdiagnosis, contrast-enhanced computed tomography revealed a circumscribed inflammatory process of the appendix that was in close proximity to the abdominal wall. The patient underwent a surgical drainage of the abscess, received broad-spectrum antibiotics, and was discharged on day 12 following an uneventful course. Diagnosis of acute appendicitis in elderly patients is challenging due to the atypical clinical presentation and co-existing comorbidities that can be misleading. Early application of high-resolution imaging techniques is necessary to identify the cause of acute abdomen in the elderly population.

Published
2020

37. Primary Squamous Cell Carcinoma of Colon and Rectum: A Systematic Review of the Literature

Author

Ioannis Katsaros, Despoina Zampetaki, Ioannis Lazaridis, Dimitrios Tsapralis, George Theodoropoulos, Aikaterini Mastoraki, Nina-Rafailia Karela, and Dimitrios Schizas

Subjects
Adult, Male, medicine.medical_specialty, Colon, Rectum, Gastroenterology, 03 medical and health sciences, 0302 clinical medicine, Internal medicine, medicine, Adjuvant therapy, Humans, Large intestine, Survival rate, Aged, business.industry, Rectal Neoplasms, Incidence (epidemiology), Middle Aged, Neoadjuvant Therapy, Clinical trial, medicine.anatomical_structure, 030220 oncology & carcinogenesis, Colorectal Squamous Cell Carcinoma, Carcinoma, Squamous Cell, 030211 gastroenterology & hepatology, Surgery, Female, business, Chemoradiotherapy
Abstract

Background - Objective: Primary colorectal squamous cell carcinoma is an extremely rare neoplasm with an incidence of 0.1 to 0.25 per 1,000 diagnosed colorectal carcinomas.The objective of this study was to evaluate its biological behavior and highlight the role of a surgical approach for its management.Methods: PubMed and Cohrane databases were independently searched (last search: April 10th, 2020) for articles concerning colorectal squamous cell carcinoma in adult population.Results: Seventy-one studies met predefined inclusion criteria and involved 99 patients (54.5% females) with an age of 56.98 ± 12.19 years (mean ± SD). The most frequent site of occurrence was the rectum (63.5%). Open surgery was conducted at 95% of patients, while 21.4% and 30.3% received neoadjuvant and adjuvant therapy respectively.Postoperative complications were developed in 31.3% of patients, while 6.1% died withing the first month following operation. Five-years survival rate was 49.5% (95% CI: 33.7%-63.4%). Female sex (HR: 0.24; 95% CI: 0.11-0.54; p-value: 0.001) and presence of postoperative complications (HR: 4.10; 95%CI: 1.47-1.46; p-value: 0.007) significantly affected the survival.Conclusions: Colorectal Squamous Cell Carcinoma is a rare tumor with an aggressive behavior. Surgery is the standard of treatment for the colontumors, while the role of chemoradiotherapy is promising especially for rectal tumors. Further clinical trials are necessary to determine the preferred treatment approach.

Published
2020

38. Damage Control Surgery for Liver Trauma

Author

Georgios Tsoulfas, Ioannis A. Ziogas, and Ioannis Katsaros

Subjects
03 medical and health sciences, medicine.medical_specialty, 0302 clinical medicine, business.industry, Damage control surgery, 030220 oncology & carcinogenesis, InformationSystems_INFORMATIONSTORAGEANDRETRIEVAL, Medicine, 030230 surgery, business, GeneralLiterature_REFERENCE(e.g.,dictionaries,encyclopedias,glossaries), Surgery
Abstract

The liver is one of the most commonly injured organs of the abdomen after major trauma and may lead to the extravasation of major amounts of blood. Damage control surgery (DCS) as a concept exists for over one hundred years but has been more widely optimized and implemented over the past few decades. Minimizing the time from the trauma scene to the hospital and recognizing the patterns of injury and the “lethal triad” (acidosis, hypothermia, coagulopathy) is vital to understand which patients will benefit the most from DCS. Immediate patient resuscitation, massive blood transfusion, and taking the patient to the operating room as soon as possible are the critical initial steps that have been associated with improved outcomes. Bleeding and contamination control should be the priority in this first exploratory laparotomy, while the patient should be transferred to the intensive care unit postoperatively with only temporary abdominal wall closure. Once the patient is stabilized, a second operation should be performed where an anatomic liver resection or other more major procedures may take place, along with permanent closure of the abdominal wall.

Published
2020

39. Immunotherapy for esophageal cancer: a 2019 update

Author

Michalis V. Karamouzis, Dimitrios Schizas, Konstantinos S. Mylonas, Nikolaos Charalampakis, Ioannis Katsaros, Amanda Psyrri, Meina Zhao, Theodore Liakakos, Christo Kole, and Jaffer A. Ajani

Subjects
0301 basic medicine, Oncology, Adoptive cell transfer, medicine.medical_specialty, Esophageal Neoplasms, medicine.medical_treatment, Immunology, Cancer Vaccines, Immunotherapy, Adoptive, 03 medical and health sciences, 0302 clinical medicine, Lymphocytes, Tumor-Infiltrating, Internal medicine, medicine, Global health, Immunology and Allergy, Humans, Survival rate, Immune Checkpoint Inhibitors, Clinical Trials as Topic, Tumor-infiltrating lymphocytes, business.industry, Cancer, Immunotherapy, Esophageal cancer, medicine.disease, Combined Modality Therapy, Clinical trial, 030104 developmental biology, 030220 oncology & carcinogenesis, Microsatellite Instability, business
Abstract

Esophageal cancer remains a global health concern with a dismal prognosis and an estimated 5-year survival rate of approximately 10–15%. Immunotherapy is a novel treatment approach representing an effective and promising option against several types of cancer. The development of new and efficacious immunotherapeutic strategies, such as adoptive cell therapy-based, antibody-based and vaccine-based therapies, aims to prevent immunological escape and modify immunological responses. In this review, we discuss the theoretical background and current status of immunotherapy for patients with esophageal cancer. We also present ongoing clinical trials and summarize key findings concerning survival and safety analyses.

Published
2020

40. Concomitant Laparoscopic Splenectomy and Cholecystectomy: A Systematic Review of the Literature

Author

Eleftherios Spartalis, Elli Karatza, Nikolaos Nikiteas, Gerasimos Tsourouflis, Stylianos Kykalos, Ioannis Katsaros, Dimitrios Schizas, and Dimitrios Dimitroulis

Subjects
Laparoscopic surgery, medicine.medical_specialty, business.industry, medicine.medical_treatment, Gallbladder, Gallbladder Diseases, Minimal invasive surgery, Laparoscopic splenectomy, Surgery, medicine.anatomical_structure, Treatment Outcome, Cholecystectomy, Laparoscopic, Concomitant, medicine, Splenectomy, Humans, Cholecystectomy, business, Laparoscopic cholecystectomy, Splenic Diseases
Abstract

Background: Concomitant laparoscopic splenectomy and cholecystectomy (CLSC) is performed for concurrent pathologies of the spleen and gallbladder. This systematic review aimed to evaluate the avail...

Published
2020

41. Patients undergoing surgery for oligometastatic oesophageal cancer survive for more than 2 years: bootstrapping systematic review data

Author

Ioannis Katsaros, Pouya Hemmati, Konstantinos S. Mylonas, George Bagias, Theodoros Liakakos, Panagiotis Kapsampelis, Maximos Frountzas, and Dimitrios Schizas

Subjects
Pulmonary and Respiratory Medicine, Systemic disease, medicine.medical_specialty, Esophageal Neoplasms, medicine.medical_treatment, Cochrane Library, Global Health, 03 medical and health sciences, 0302 clinical medicine, medicine, Humans, Chemotherapy, business.industry, Metastasectomy, Cancer, Esophageal cancer, medicine.disease, Confidence interval, Surgery, Survival Rate, 030220 oncology & carcinogenesis, Adenocarcinoma, 030211 gastroenterology & hepatology, Cardiology and Cardiovascular Medicine, business
Abstract

OBJECTIVES Oesophageal cancer oligometastasis is a state of limited systemic disease characterized by ˂5 metastases. Without surgery average survival is 4–12 months. We sought to estimate patient prognosis following the surgical resection of oligometastatic disease from oesophageal cancer. METHODS Eligible studies were identified through systematic search of PubMed and the Cochrane Library (end-of-search date: 20 November 2019). We estimated cumulative 1-, 3- and 5-year, as well as overall survival using bootstrap methodology with 1 000 000 repetitions per outcome. RESULTS We investigated six studies involving 420 patients who underwent metastasectomy for oligometastasis from oesophageal cancer. Adenocarcinoma [77.3%; 95% confidence interval (CI) 62.8–87.3] was the most prevalent histological type followed by squamous cell carcinoma (22.7%; 95% CI 12.7–37.2). Metastatic lesions were typically synchronous (91.5%; 95% CI 87.5–94.1). Overall, 73.5% (95% CI 67.5–78.6) of the patients underwent resection of the primary and metastatic tumours synchronously. Neoadjuvant chemoradiotherapy was utilized in the majority of the patients (66.7%; 95% CI 49.5–80.3) followed by neoadjuvant chemotherapy (33.3%; 95% CI 19.6–50.5). The mean overall survival was 24.5 months (95% CI 14.4–34.6). One-year survival was 88.3% (95% CI 85.6–90.8). Three-year survival and 5-year survival were 36.3% (95% CI 15.3–7.3) and 23.8% (95% CI 12.0–35.7), respectively. CONCLUSIONS Patients undergoing surgical resection of oesophageal oligometastasis survive for more than 24 months. Therefore, loco-regional control of oligometastatic disease appears to improve survival by at least 100%.

Published
2020

42. Littre’s hernia: a systematic review of the literature

Author

N. Machairas, Maximos Frountzas, Dimitrios Schizas, Dimitrios Tsapralis, Theodoros Troupis, Ioannis Katsaros, Diamantis I. Tsilimigras, Demetrios Moris, and Adamantios Michalinos

Subjects
medicine.medical_specialty, medicine.medical_treatment, 030218 nuclear medicine & medical imaging, 03 medical and health sciences, Therapeutic approach, 0302 clinical medicine, medicine, Humans, Hernia, Herniorrhaphy, Meckel's diverticulum, business.industry, medicine.disease, Hernia repair, digestive system diseases, Hernia, Abdominal, Surgery, Meckel Diverticulum, stomatognathic diseases, surgical procedures, operative, 030220 oncology & carcinogenesis, Presentation (obstetrics), Complication, business, Diverticulum, Abdominal surgery
Abstract

A hernia containing Meckel’s diverticulum is called a Littre’s Hernia. It’s a rare entity and its diagnosis is often incidental during routine hernia repair surgery. The objective of this study is the evaluation of the current evidence on Littre’s hernias regarding their clinical presentation and optimal treatment approach. PubMed and Cochrane bibliographical databases were searched from the beginning of time (last search: August 1st, 2018) for studies reporting on Littre’s hernias in adult population. Forty-five studies met our inclusion criteria and reported collectively on 53 patients (21 males and 32 females) presenting at health care units with a Littre’s hernia. The most common sites of occurrence were femoral (39.6%) and inguinal (34%). The vast majority of cases (77.4%) concerned incarcerated hernias. All patients underwent surgical hernia repair accompanied by a diverticulectomy and 16.9% of them received mesh. Only 7.5% of patients experienced immediate postoperative complications. A Littre hernia is a rare complication of Meckel’s diverticulum. It requires surgical attention and all medical professionals should be encouraged to report such cases to expand our experience and optimize the therapeutic approach.

Published
2018
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43. Current evidence on the role of smoking in plastic surgery elective procedures: A systematic review and meta-analysis

Author

George Kokosis, Emmanouil Sgouromallis, Vasileios Theocharidis, Vasileios Boikou, Ioannis Katsaros, Sotirios Tasigiorgos, Konstantinos P. Economopoulos, and Nikolaos Serifis

Subjects
medicine.medical_specialty, Tobacco use, Mammaplasty, medicine.medical_treatment, 030230 surgery, 03 medical and health sciences, Postoperative Complications, 0302 clinical medicine, Risk Factors, Tobacco users, Surgical site, Humans, Medicine, Surgery, Plastic, Abdominoplasty, business.industry, Smoking, Surgery, Plastic surgery, Elective Surgical Procedures, 030220 oncology & carcinogenesis, Meta-analysis, Breast reduction, business, Breast reconstruction
Abstract

Summary Background Smoking is considered to be a significant risk factor for the development of postoperative complications after various surgical procedures, mainly by limiting oxygen delivery to tissues. Evidence on the collective impact of smoking in aesthetic procedure outcomes is scarce. The aim of this study is to evaluate the current evidence on the association between smoking and postoperative outcomes in patients who underwent common elective procedures in plastic surgery. Methods PubMed and Cochrane bibliographical databases were searched from January 1950 to October 2016 for studies reporting on patients who underwent facelift, abdominoplasty, breast reduction and breast reconstruction and for studies with included data on smoking history of treated patients. Results Fifty-three studies reporting on postoperative complications in tobacco users undergoing facelift, abdominoplasty, breast reduction and reconstruction were identified. Tobacco use is found to significantly increase the total number of postoperative complications as far as abdominoplasty (OR: 5.43; 95% CI = 2.92–10.10), breast reduction (OR: 2.36; 95% CI = 1.64–3.39) and breast reconstruction (OR: 1.91; 95% CI = 1.69–2.17) are concerned. Smoking history does not significantly affect total postoperative complications after facelift procedures (OR: 3.36; 95% CI = 0.92–12.30). Conclusions Smoking predisposes to surgical site infections, delayed wound healing and skin necrosis in patients undergoing the most common aesthetic procedures in plastic surgery. More rigorous and detailed reporting on the history of tobacco use and surgical outcomes following plastic surgery procedures is needed to better quantify the impact of smoking on the overall postoperative care for this patient population.

Published
2018
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44. Mortality after endovascular treatment of infrarenal abdominal aortic aneurysms – the newer the better?

Author

Eirini Martinou, Ioannis Katsaros, Dimitrios Schizas, Aspasia Tzani, Konstantinos P. Economopoulos, and Ilias P. Doulamis

Subjects
medicine.medical_specialty, Time Factors, Ruptured aneurysms, 030204 cardiovascular system & hematology, Blood Vessel Prosthesis Implantation, 03 medical and health sciences, Postoperative Complications, 0302 clinical medicine, Aneurysm, Risk Factors, Humans, Medicine, 030212 general & internal medicine, Endovascular treatment, business.industry, Mortality rate, Endovascular Procedures, Perioperative, medicine.disease, Abdominal aortic aneurysm, Early complication, Surgery, Treatment Outcome, Perioperative care, Cardiology and Cardiovascular Medicine, business, Aortic Aneurysm, Abdominal
Abstract

Abstract. Although endovascular repair of infrarenal abdominal aortic aneurysms (EVAR) presents a delicate alternative treatment for abdominal aortic aneurysms (AAA) with lower perioperative mortality, its long-term efficacy remains a matter of concern. The purpose of this study was to evaluate the currently reported mortality evidence after EVAR and to examine the possible effect of aneurysm status and the study period on mortality rates. The PubMed and Cochrane bibliographical databases were thoroughly searched for studies reporting on more than 1 000 patients with non-ruptured or ruptured infrarenal AAA, treated with EVAR from August 1991 to September 2016. A total of 10 910 titles/abstracts were retrieved and 121 studies were deemed relevant. Twenty-six studies met the inclusion criteria and reported on 354 500 patients with a mean age of 74.6 years. Almost all of the studies referred to elective EVAR and the mean aneurysm size was 5.58 cm. The most common early complication for elective EVAR was perioperative bleeding (1.9 %), whereas hospital-acquired pneumonia was a major concern in urgent EVAR (28.5 %). Conversion rate to open surgery was 1.2 %. The 30-day all-cause mortality rate was 4.84 % (1.7 % for non- ruptured aneurysms, 33.8 % for ruptured aneurysms).The overall all-cause late mortality in a mean follow-up period of 23.8 months was 19.1 %. The aneurysm-related late mortality rate was 3.4 %. With respect to the time period of patient enrollment, studies reporting on patients recruited before 2006 were found to face more secondary complications and higher late mortality rates than patients enrolled after 2005.The endovascular treatment of large and anatomically suitable infrarenal AAA in selected patients remains a safe alternative to open repair. Our findings demonstrate that newer studies show better long-term outcomes than the older ones, proposing a possible improvement of EVAR techniques and perioperative care and providing encouraging evidence for a wider application of EVAR.

Published
2018
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45. Aortoiliac Occlusive Disease: When the Development of Arterial Collateral Network Takes Over

Author

Efstratios Georgakarakos, Ioannis Katsaros, and Aliki Fiska

Subjects
Images in Aortic Disease, Leriche's syndrome, medicine.medical_specialty, anatomy, aortoiliac occlusive disease, Collateral, business.industry, Aortoiliac occlusive disease, Anastomosis, medicine.disease, Internal medicine, medicine, Cardiology, Radiology, Nuclear Medicine and imaging, Surgery, collateral circulation, Cardiology and Cardiovascular Medicine, business
Abstract

This report describes the collateral pathways that restore arterial circulation in cases of aortoiliac occlusive disease and discusses the clinical and surgical importance of these systemic-systemic, visceral-systemic, and visceral-visceral anastomoses.

Published
2020
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46. Statin therapy for reduction of cardiovascular and limb-related events in critical limb ischemia: A systematic review and meta-analysis

Author

Stefanos Giannopoulos, Eric A. Secemsky, Omar Jawaid, Damianos G. Kokkinidis, Jay Giri, Anil Kumar Jonnalagadda, Angelos Arfaras-Melainis, Ehrin J. Armstrong, Sahil A. Parikh, Ioannis Katsaros, and Dharam J. Kumbhani

Subjects
Male, Funnel plot, medicine.medical_specialty, Statin, medicine.drug_class, medicine.medical_treatment, Critical Illness, Population, Amputation, Surgical, Peripheral Arterial Disease, Ischemia, Risk Factors, Internal medicine, Medicine, Humans, Peripheral artery disease (PAD), education, Vascular Patency, Aged, Aged, 80 and over, education.field_of_study, business.industry, Publication bias, Critical limb ischemia, Middle Aged, medicine.disease, Limb Salvage, Treatment Outcome, Amputation, Meta-analysis, Disease Progression, Female, medicine.symptom, Hydroxymethylglutaryl-CoA Reductase Inhibitors, Cardiology and Cardiovascular Medicine, business
Abstract

High-intensity statins are recommended for patients with peripheral artery disease (PAD). Critical limb ischemia (CLI) is the most advanced presentation of PAD. The benefit of statins in the CLI population is unclear based on the existent studies. Our objective was to perform a systematic review and meta-analysis regarding the efficacy of statin therapy in patients with CLI. PRISMA guidelines were followed. PubMed, EMBASE, and Cochrane CENTRAL databases were reviewed up to April 30, 2019. The primary outcomes included amputation rates and all-cause mortality. Secondary outcomes included primary patency rates, amputation-free survival and major adverse cardiac or cerebrovascular events (MACCE). Risk of bias was assessed with the Robins-I tool for observational studies. A random-effects model meta-analysis was performed. Heterogeneity was assessed with I2. Funnel plots and Egger’s test were used to assess publication bias. Nineteen studies including 26,985 patients with CLI were included in this systematic review. Among patients with known data on statin status, 12,292 (49.6%) were on statins versus 12,513 (50.4%) not on statins. Patients treated with statins were 25% less likely to undergo amputation (HR 0.75; 95% CI: 0.59–0.95; I2 = 79%) and 38% less likely to have a fatal event (HR 0.62; 95% CI: 0.52–0.75; I2 = 41.2%). Statin therapy was also associated with increased overall patency rates and lower incidence of MACCE. There was substantial heterogeneity in the analysis for amputation and amputation-free survival (I2 > 70%). In conclusion, statins are associated with decreased risk for amputation, mortality, and MACCE, as well as increased overall patency rates among patients with CLI. Future studies should assess whether other lipid-lowering medications in addition to high-intensity statins can further improve outcomes among patients with CLI. (PROSPERO registration number: CRD42019134160)

Published
2020

47. Malignant melanoma of the breast: controversies in the diagnosis and therapeutic management of a rare nosologic entity

Author

Ioannis Margaris, Ilias Vagios, Athanasios Rebakos, Emmanouil Pikoulis, Aikaterini Mastoraki, Ilias Giannakodimos, Dimitrios Schizas, Ioannis Katsaros, and Pantelis Vassiliu

Subjects
medicine.medical_specialty, Skin Neoplasms, Breast Neoplasms, Dermatology, Histogenesis, 030207 dermatology & venereal diseases, 03 medical and health sciences, 0302 clinical medicine, Adjuvant therapy, Medicine, Humans, Breast, Radical Local Excision, Melanoma, medicine.diagnostic_test, business.industry, Axillary Lymph Node Dissection, Sentinel node, medicine.disease, Fine-needle aspiration, 030220 oncology & carcinogenesis, Immunohistochemistry, Lymph Node Excision, Female, business
Abstract

Melanoma of the breast is an infrequent entity, presenting as either primary or metastatic from extramammary solid neoplasms. Depending on the involvement of the skin, primary malignant melanoma of the breast (PMMB) can be classified as cutaneous or noncutaneous. Cutaneous PMMB accounts for

Published
2019

48. Histone Deacetylases (HDACs) in Gastric Cancer: An Update of their Emerging Prognostic and Therapeutic Role

Author

Georgia-Sofia Karachaliou, Vasiliki Fragkiadaki, Aikaterini Mastoraki, Nikolaos Arkadopoulos, Leon Naar, Diamantis I. Tsilimigras, Theodore Liakakos, Dimitrios Moris, Ioannis Katsaros, and Dimitrios Schizas

Subjects
Histone acetylation and deacetylation, medicine.disease_cause, Biochemistry, Histone Deacetylases, Histones, 03 medical and health sciences, chemistry.chemical_compound, 0302 clinical medicine, Stomach Neoplasms, Drug Discovery, Medicine, Humans, 030304 developmental biology, Pharmacology, Histone Acetyltransferases, 0303 health sciences, biology, business.industry, Organic Chemistry, Cancer, Acetylation, medicine.disease, Prognosis, Chromatin, Histone Deacetylase Inhibitors, Histone, chemistry, Tumor progression, 030220 oncology & carcinogenesis, Cancer cell, biology.protein, Cancer research, Molecular Medicine, business, Carcinogenesis
Abstract

Chemotherapy resistance is a rising concern in Gastric Cancer (GC) and has led to the investigation of various cellular compounds. Α functional equilibrium of histone acetylation and deacetylation was discovered in all cells, regulated by Histone Acetyltransferases and Deacetylases (HDACs), controlling chromatin coiling status and changing gene expression appropriately. In accordance with recent research, this equilibrium can be dysregulated in cancer cells aiding in the process of carcinogenesis and tumor progression by altering histone and non-histone proteins affecting gene expression, cell cycle control, differentiation, and apoptosis in various malignancies. In addition, increased HDAC expression in GC cells has been associated with increased stage, tumor invasion, nodal metastases, increased distant metastatic potential, and decreased overall survival. HDAC inhibitors could be used as treatment regimens for GC patients and could develop important synergistic interactions with chemotherapy drugs. The aim of this article is to review the molecular identity and mechanism of action of HDAC inhibitors, as well as highlight their potential utility as anti-cancer agents in GC.

Published
2019

49. Paraduodenal hernias: a systematic review of the literature

Author

E. Pikoulis, Dimitrios Schizas, Konstantinos Apostolou, Ioannis Katsaros, Ioannis Koutelidakis, Grigoris Chatzimavroudis, Prodromos Kanavidis, S Krivan, and Michail Vailas

Subjects
Abdominal pain, medicine.medical_specialty, MEDLINE, 030230 surgery, 03 medical and health sciences, 0302 clinical medicine, medicine, Humans, Hernia, Duodenal Diseases, Herniorrhaphy, business.industry, Mortality rate, Gold standard (test), medicine.disease, Surgery, Hernia, Abdominal, medicine.anatomical_structure, 030220 oncology & carcinogenesis, Abdomen, Laparoscopy, medicine.symptom, Presentation (obstetrics), business, Tomography, X-Ray Computed, Abdominal surgery
Abstract

Paraduodenal hernias (PDH), also called mesocolic hernias, account for up to 53% of all internal hernias, but they cause only 0.2–0.9% of all cases of intestinal obstruction. This is the first systematic review of all reported cases so far, investigating their clinical presentation, radiological imaging, and treatment outcomes. After a detailed search in PubMed and Medline, using the keywords “paraduodenal hernia”, 115 studies matched our criteria. A review of these reports was conducted and the full texts were examined. A total of 159 patients were included in our analysis, with 69.8% and 30.2% of them suffering from either a left or a right PDH, respectively. Mean age at diagnosis was 44.1 years, with a 2/1 male/female ratio. PDH were associated with non-specific symptoms and signs; abdominal pain being the most common. Computed tomography (CT) scan of the abdomen was the most frequently used diagnostic modality. Regardless of PDH localization, all patients were operated on, with approximately one-third of them undergoing a laparoscopic operation, which was associated with a significantly decreased morbidity rate as well as length of hospital stay, compared with the open repair. PDH are not usually associated with specific symptoms and signs; thus, they constitute a diagnostic challenge, requiring a high level of knowledge and clinical suspicion. Undoubtedly, CT scan of the abdomen is the gold standard diagnostic tool. Their operative repair is mandatory, with the laparoscopic approach demonstrating significant advantages over the open repair, seeming to be the optimum treatment strategy.

Published
2018

50. Collision Tumors of the Gastrointestinal Tract: A Systematic Review of the Literature

Author

Alexandra K. Tsaroucha, Nikolaos Garmpis, Adamantios Michalinos, Spyridon Stergiopoulos, George Agrogiannis, Christos Damaskos, Ioannis Katsaros, Vasileia Ntomi, and Dimitrios Schizas

Subjects
Cancer Research, Gastrointestinal tract, medicine.medical_specialty, business.industry, medicine.medical_treatment, Stomach, Tumor resection, General Medicine, Small intestine, Neoplasms, Multiple Primary, 03 medical and health sciences, Therapeutic approach, 0302 clinical medicine, medicine.anatomical_structure, Oncology, 030220 oncology & carcinogenesis, medicine, Humans, 030211 gastroenterology & hepatology, Large intestine, Radiology, Esophagus, business, Neoadjuvant therapy, Gastrointestinal Neoplasms
Abstract

Background/aim Collision tumors are rare neoplasms which consist of two or more distinct neoplasms that develop adjacent to one another and coexist with no or minimal intermingling between them. Their diagnosis is often incidental and their behavior remains widely unknown. Several theories have been proposed regarding their pathogenesis. The objective of this study was the evaluation of current evidence on collision tumors of the gastrointestinal tract regarding their pathology, biological behavior and treatment approach. Materials and methods The PubMed and Cochrane bibliographical databases were searched from January 1997 to July 2018 (last search: July 5th, 2018) for studies reporting on collision tumors of the gastrointestinal tract that also included a therapeutic approach. Results Forty-seven studies reporting on collision tumors of the gastrointestinal tract were identified. They reported collectively on 53 cases (43 males, 10 females) with collision tumors of the esophagus, stomach, small intestine and large intestine. The vast majority (96.2%) of tumors consisted of two distinct histological components and only two cases involved a greater number of histological subtypes. Fifty-one patients underwent a surgical or endoscopic tumor resection, accompanied in 22 cases by adjuvant or neoadjuvant therapy. The remaining two patients underwent palliative operations. In total, three patients experienced immediate postoperative complications. Conclusion Collision tumors of the gastrointestinal tract, despite their rare nature, constitute a quite interesting field of study. This review offers a thorough insight into the clinicopathological characteristics and biological behavior of these rare tumors.

Published
2018

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