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1. Rapidly solidified aluminium-high silicon alloys

Author

Alshmri, Faraj D. F., Atkinson, Helen, and Hainsworth, Sarah

Subjects
620.1
Abstract

Aluminium silicon alloys are the most used raw material for automotive applications. One of the main limitations on using aluminium high silicon alloys is the formation of coarse brittle phases under conventional solidification conditions. However, rapid solidification processing (RS) is very effective in limiting the coarsening of primary silicon due to high cooling rate. Aluminium high silicon alloys can be processed by different RS methods. However, melt spinning is the most familiar of all RS commercial methods. Rapid solidification is a material production route. It does not give the final shape. Rapidly solidified materials require consolidation after solidification. Moreover, consolidation requires mechanical and/or thermal treatment. These treatments may degrade the microstructure. Also hot extrusion may be used as a final step, which may cause deterioration of the initially useful properties due to hot working. In general, although rapid solidification may suppress the coarsening of Si during solidification, the Si particulates may still coarsen during the subsequent thermo-mechanical treatment due to heat effect during consolidation and extrusion. In the present work characterisation of the material at various stages of production has been carried out and understanding of the metallurgical phenomena involved. Several alloy variants were examined. Coarsening behaviour of the Silicon particles and hardness tests were carried out. Wear properties of the alloys have been studied under dry sliding conditions against a steel ball bearing. Analyses and observation of the wear surfaces and wear mechanisms of these alloys are discussed. Wear of RS materials was compared with piston material A390 made by casting. Degassing and HIPping at 400 °C for 12 hrs prior to HIPping seems to be the optimum the degassing is effective whilst avoiding excessive coarsening of the silicon particles. Alloy number RSP461 (Al 21Si 3.9Cu 1.2Mg 2.4Fe 1.4Ni 0.4Zr) shows excellent wear resistance due to its fine microstructure.

Published
2010

2. 30-day morbidity and mortality of sleeve gastrectomy, Roux-en-Y gastric bypass and one anastomosis gastric bypass: a propensity score-matched analysis of the GENEVA data

Author

Singhal R., Cardoso V. R., Wiggins T., Super J., Ludwig C., Gkoutos G. V., Mahawar K., Pedziwiatr M., Major P., Zarzycki P., Pantelis A., Lapatsanis D. P., Stravodimos G., Matthys C., Focquet M., Vleeschouwers W., Spaventa A. G., Zerrweck C., Vitiello A., Berardi G., Musella M., Sanchez-Meza A., Cantu F. J., Mora F., Cantu M. A., Katakwar A., Reddy D. N., Elmaleh H., Hassan M., Elghandour A., Elbanna M., Osman A., Khan A., layani L., Kiran N., Velikorechin A., Solovyeva M., Melali H., Shahabi S., Agrawal A., Shrivastava A., Sharma A., Narwaria B., Narwaria M., Raziel A., Sakran N., Susmallian S., Karagoz L., Akbaba M., Piskin S. Z., Balta A. Z., Senol Z., Manno E., Iovino M. G., Qassem M., Arana-Garza S., Povoas H. P., Vilas-Boas M. L., Naumann D., Li A., Ammori B. J., Balamoun H., Salman M., Nasta A. M., Goel R., Sanchez-Aguilar H., Herrera M. F., Abou-mrad A., Cloix L., Mazzini G. S., Kristem L., Lazaro A., Campos J., Bernardo J., Gonzalez J., Trindade C., Viveiros O., Ribeiro R., Goitein D., Hazzan D., Segev L., Beck T., Reyes H., Monterrubio J., Garcia P., Benois M., Kassir R., Contine A., Elshafei M., Aktas S., Weiner S., Heidsieck T., Level L., Pinango S., Ortega P. M., Moncada R., Valenti V., Vlahovic I., Boras Z., Liagre A., Martini F., Juglard G., Motwani M., Saggu S. S., Momani H. A., Lopez L. A. A., Cortez M. A. C., Zavala R. A., D'Haese RN C., Kempeneers I., Himpens J., Lazzati A., Paolino L., Bathaei S., Bedirli A., Yavuz A., Buyukkasap C., Ozaydin S., Kwiatkowski A., Bartosiak K., Waledziak M., Santonicola A., Angrisani L., Iovino P., Palma R., Iossa A., Boru C. E., De Angelis F., Silecchia G., Hussain A., Balchandra S., Coltell I. B., Perez J. L., Bohra A., Awan A. K., Madhok B., Leeder P. C., Awad S., Al-Khyatt W., Shoma A., Elghadban H., Ghareeb S., Mathews B., Kurian M., Larentzakis A., Vrakopoulou G. Z., Albanopoulos K., Bozdag A., Lale A., Kirkil C., Dincer M., Bashir A., Haddad A., Hijleh L. A., Zilberstein B., de Marchi D. D., Souza W. P., Broden C. M., Gislason H., Shah K., Ambrosi A., Pavone G., Tartaglia N., Kona S. L. K., Kalyan K., Perez C. E. G., Botero M. A. F., Covic A., Timofte D., Maxim M., Faraj D., Tseng L., Liem R., Oren G., Dilektasli E., Yalcin I., AlMukhtar H., Hadad M. A., Mohan R., Arora N., Bedi D., Rives-Lange C., Chevallier J. -M., Poghosyan T., Sebbag H., Zinai L., Khaldi S., Mauchien C., Mazza D., Dinescu G., Rea B., Perez-Galaz F., Zavala L., Besa A., Curell A., Balibrea J. M., Vaz C., Galindo L., Silva N., Caballero J. L. E., Sebastian S. O., Marchesini J. C. D., da Fonseca Pereira R. A., Sobottka W. H., Fiolo F. E., Turchi M., Coelho A. C. J., Zacaron A. L., Barbosa A., Quinino R., Menaldi G., Paleari N., Martinez-Duartez P., de Esparza G. M. A. R., Esteban V. S., Torres A., Garcia-Galocha J. L., Josa M., Pacheco-Garcia J. M., Mayo-Ossorio M. A., Chowbey P., Soni V., de Vasconcelos Cunha H. A., Castilho M. V., Ferreira R. M. A., Barreiro T. A., Charalabopoulos A., Sdralis E., Davakis S., Bomans B., Dapri G., Van Belle K., Takieddine M., Vaneukem P., Karaca E. S. A., Karaca F. C., Sumer A., Peksen C., Savas O. A., Chousleb E., Elmokayed F., Fakhereldin I., Aboshanab H. M., Swelium T., Gudal A., Gamloo L., Ugale A., Ugale S., Boeker C., Reetz C., Hakami I. A., Mall J., Alexandrou A., Baili E., Bodnar Z., Maleckas A., Gudaityte R., Guldogan C. E., Gundogdu E., Ozmen M. M., Thakkar D., Dukkipati N., Shah P. S., Shah S. S., Adil M. T., Jambulingam P., Mamidanna R., Whitelaw D., Jain V., Veetil D. K., Wadhawan R., Torres M., Tinoco T., Leclercq W., Romeijn M., van de Pas K., Alkhazraji A. K., Taha S. A., Ustun M., Yigit T., Inam A., Burhanulhaq M., Pazouki A., Eghbali F., Kermansaravi M., Jazi A. H. D., Mahmoudieh M., Mogharehabed N., Tsiotos G., Stamou K., Rodriguez F. J. B., Navarro M. A. R., Torres O. M., Martinez S. L., Tamez E. R. M., Cornejo G. A. M., Flores J. E. G., Mohammed D. A., Elfawal M. H., Shabbir A., Guowei K., So J. B., Kaplan E. T., Kaplan M., Kaplan T., Pham D. T., Rana G., Kappus M., Gadani R., Kahitan M., Pokharel K., Osborne A., Pournaras D., Hewes J., Napolitano E., Chiappetta S., Bottino V., Dorado E., Schoettler A., Gaertner D., Fedtke K., Aguilar-Espinosa F., Aceves-Lozano S., Balani A., Nagliati C., Pennisi D., Rizzi A., Frattini F., Foschi D., Benuzzi L., Parikh C., Shah H., Pinotti E., Montuori M., Borrelli V., Dargent J., Copaescu C. A., Hutopila I., Smeu B., Witteman B., Hazebroek E., Deden L., Heusschen L., Okkema S., Aufenacker T., den Hengst W., Vening W., van der Burgh Y., Ghazal A., Ibrahim H., Niazi M., Alkhaffaf B., Altarawni M., Cesana G. C., Anselmino M., Uccelli M., Olmi S., Stier C., Akmanlar T., Sonnenberg T., Schieferbein U., Marcolini A., Awruch D., Vicentin M., de Souza Bastos E. L., Gregorio S. A., Ahuja A., Mittal T., Bolckmans R., Baratte C., Wisnewsky J. A., Genser L., Chong L., Taylor L., Ward S., Hi M. W., Heneghan H., Fearon N., Plamper A., Rheinwalt K., Geoghegan J., Ng K. C., Kaseja K., Kotowski M., Samarkandy T. A., Leyva-Alvizo A., Corzo-Culebro L., Wang C., Yang W., Dong Z., Riera M., Jain R., Hamed H., Said M., Zarzar K., Garcia M., Turkcapar A. G., Sen O., Baldini E., Conti L., Wietzycoski C., Lopes E., Pintar T., Salobir J., Aydin C., Atici S. D., Ergin A., Ciyiltepe H., Bozkurt M. A., Kizilkaya M. C., Onalan N. B. D., Zuber M. N. B. A., Wong W. J., Garcia A., Vidal L., Beisani M., Pasquier J., Vilallonga R., Sharma S., Parmar C., Lee L., Sufi P., Sinan H., Saydam M., Singhal, R., Cardoso, V. R., Wiggins, T., Super, J., Ludwig, C., Gkoutos, G. V., Mahawar, K., Pedziwiatr, M., Major, P., Zarzycki, P., Pantelis, A., Lapatsanis, D. P., Stravodimos, G., Matthys, C., Focquet, M., Vleeschouwers, W., Spaventa, A. G., Zerrweck, C., Vitiello, A., Berardi, G., Musella, M., Sanchez-Meza, A., Cantu, F. J., Mora, F., Cantu, M. A., Katakwar, A., Reddy, D. N., Elmaleh, H., Hassan, M., Elghandour, A., Elbanna, M., Osman, A., Khan, A., Layani, L., Kiran, N., Velikorechin, A., Solovyeva, M., Melali, H., Shahabi, S., Agrawal, A., Shrivastava, A., Sharma, A., Narwaria, B., Narwaria, M., Raziel, A., Sakran, N., Susmallian, S., Karagoz, L., Akbaba, M., Piskin, S. Z., Balta, A. Z., Senol, Z., Manno, E., Iovino, M. G., Qassem, M., Arana-Garza, S., Povoas, H. P., Vilas-Boas, M. L., Naumann, D., Li, A., Ammori, B. J., Balamoun, H., Salman, M., Nasta, A. M., Goel, R., Sanchez-Aguilar, H., Herrera, M. F., Abou-mrad, A., Cloix, L., Mazzini, G. S., Kristem, L., Lazaro, A., Campos, J., Bernardo, J., Gonzalez, J., Trindade, C., Viveiros, O., Ribeiro, R., Goitein, D., Hazzan, D., Segev, L., Beck, T., Reyes, H., Monterrubio, J., Garcia, P., Benois, M., Kassir, R., Contine, A., Elshafei, M., Aktas, S., Weiner, S., Heidsieck, T., Level, L., Pinango, S., Ortega, P. M., Moncada, R., Valenti, V., Vlahovic, I., Boras, Z., Liagre, A., Martini, F., Juglard, G., Motwani, M., Saggu, S. S., Momani, H. A., Lopez, L. A. A., Cortez, M. A. C., Zavala, R. A., D'Haese RN, C., Kempeneers, I., Himpens, J., Lazzati, A., Paolino, L., Bathaei, S., Bedirli, A., Yavuz, A., Buyukkasap, C., Ozaydin, S., Kwiatkowski, A., Bartosiak, K., Waledziak, M., Santonicola, A., Angrisani, L., Iovino, P., Palma, R., Iossa, A., Boru, C. E., De Angelis, F., Silecchia, G., Hussain, A., Balchandra, S., Coltell, I. B., Perez, J. L., Bohra, A., Awan, A. K., Madhok, B., Leeder, P. C., Awad, S., Al-Khyatt, W., Shoma, A., Elghadban, H., Ghareeb, S., Mathews, B., Kurian, M., Larentzakis, A., Vrakopoulou, G. Z., Albanopoulos, K., Bozdag, A., Lale, A., Kirkil, C., Dincer, M., Bashir, A., Haddad, A., Hijleh, L. A., Zilberstein, B., de Marchi, D. D., Souza, W. P., Broden, C. M., Gislason, H., Shah, K., Ambrosi, A., Pavone, G., Tartaglia, N., Kona, S. L. K., Kalyan, K., Perez, C. E. G., Botero, M. A. F., Covic, A., Timofte, D., Maxim, M., Faraj, D., Tseng, L., Liem, R., Oren, G., Dilektasli, E., Yalcin, I., Almukhtar, H., Hadad, M. A., Mohan, R., Arora, N., Bedi, D., Rives-Lange, C., Chevallier, J. -M., Poghosyan, T., Sebbag, H., Zinai, L., Khaldi, S., Mauchien, C., Mazza, D., Dinescu, G., Rea, B., Perez-Galaz, F., Zavala, L., Besa, A., Curell, A., Balibrea, J. M., Vaz, C., Galindo, L., Silva, N., Caballero, J. L. E., Sebastian, S. O., Marchesini, J. C. D., da Fonseca Pereira, R. A., Sobottka, W. H., Fiolo, F. E., Turchi, M., Coelho, A. C. J., Zacaron, A. L., Barbosa, A., Quinino, R., Menaldi, G., Paleari, N., Martinez-Duartez, P., de Esparza, G. M. A. R., Esteban, V. S., Torres, A., Garcia-Galocha, J. L., Josa, M., Pacheco-Garcia, J. M., Mayo-Ossorio, M. A., Chowbey, P., Soni, V., de Vasconcelos Cunha, H. A., Castilho, M. V., Ferreira, R. M. A., Barreiro, T. A., Charalabopoulos, A., Sdralis, E., Davakis, S., Bomans, B., Dapri, G., Van Belle, K., Takieddine, M., Vaneukem, P., Karaca, E. S. A., Karaca, F. C., Sumer, A., Peksen, C., Savas, O. A., Chousleb, E., Elmokayed, F., Fakhereldin, I., Aboshanab, H. M., Swelium, T., Gudal, A., Gamloo, L., Ugale, A., Ugale, S., Boeker, C., Reetz, C., Hakami, I. A., Mall, J., Alexandrou, A., Baili, E., Bodnar, Z., Maleckas, A., Gudaityte, R., Guldogan, C. E., Gundogdu, E., Ozmen, M. M., Thakkar, D., Dukkipati, N., Shah, P. S., Shah, S. S., Adil, M. T., Jambulingam, P., Mamidanna, R., Whitelaw, D., Jain, V., Veetil, D. K., Wadhawan, R., Torres, M., Tinoco, T., Leclercq, W., Romeijn, M., van de Pas, K., Alkhazraji, A. K., Taha, S. A., Ustun, M., Yigit, T., Inam, A., Burhanulhaq, M., Pazouki, A., Eghbali, F., Kermansaravi, M., Jazi, A. H. D., Mahmoudieh, M., Mogharehabed, N., Tsiotos, G., Stamou, K., Rodriguez, F. J. B., Navarro, M. A. R., Torres, O. M., Martinez, S. L., Tamez, E. R. M., Cornejo, G. A. M., Flores, J. E. G., Mohammed, D. A., Elfawal, M. H., Shabbir, A., Guowei, K., So, J. B., Kaplan, E. T., Kaplan, M., Kaplan, T., Pham, D. T., Rana, G., Kappus, M., Gadani, R., Kahitan, M., Pokharel, K., Osborne, A., Pournaras, D., Hewes, J., Napolitano, E., Chiappetta, S., Bottino, V., Dorado, E., Schoettler, A., Gaertner, D., Fedtke, K., Aguilar-Espinosa, F., Aceves-Lozano, S., Balani, A., Nagliati, C., Pennisi, D., Rizzi, A., Frattini, F., Foschi, D., Benuzzi, L., Parikh, C., Shah, H., Pinotti, E., Montuori, M., Borrelli, V., Dargent, J., Copaescu, C. A., Hutopila, I., Smeu, B., Witteman, B., Hazebroek, E., Deden, L., Heusschen, L., Okkema, S., Aufenacker, T., den Hengst, W., Vening, W., van der Burgh, Y., Ghazal, A., Ibrahim, H., Niazi, M., Alkhaffaf, B., Altarawni, M., Cesana, G. C., Anselmino, M., Uccelli, M., Olmi, S., Stier, C., Akmanlar, T., Sonnenberg, T., Schieferbein, U., Marcolini, A., Awruch, D., Vicentin, M., de Souza Bastos, E. L., Gregorio, S. A., Ahuja, A., Mittal, T., Bolckmans, R., Baratte, C., Wisnewsky, J. A., Genser, L., Chong, L., Taylor, L., Ward, S., Hi, M. W., Heneghan, H., Fearon, N., Plamper, A., Rheinwalt, K., Geoghegan, J., Ng, K. C., Kaseja, K., Kotowski, M., Samarkandy, T. A., Leyva-Alvizo, A., Corzo-Culebro, L., Wang, C., Yang, W., Dong, Z., Riera, M., Jain, R., Hamed, H., Said, M., Zarzar, K., Garcia, M., Turkcapar, A. G., Sen, O., Baldini, E., Conti, L., Wietzycoski, C., Lopes, E., Pintar, T., Salobir, J., Aydin, C., Atici, S. D., Ergin, A., Ciyiltepe, H., Bozkurt, M. A., Kizilkaya, M. C., Onalan, N. B. D., Zuber, M. N. B. A., Wong, W. J., Garcia, A., Vidal, L., Beisani, M., Pasquier, J., Vilallonga, R., Sharma, S., Parmar, C., Lee, L., Sufi, P., Sinan, H., Saydam, M., İstinye Üniversitesi, Tıp Fakültesi, Cerrahi Tıp Bilimleri Bölümü, Sumer, Aziz, Peksen, Caghan, and Savas, Osman Anil

Subjects
Nutrition and Dietetics, Endocrinology, Diabetes and Metabolism, Gastric Bypass, Medicine (miscellaneous), nutritional and metabolic diseases, COVID-19, Gastrectomy, Humans, Morbidity, Propensity Score, Retrospective Studies, Treatment Outcome, Diabetes Mellitus, Type 2, Obesity, Morbid, Article, Diabetes Mellitus, Obesity, Morbid, Type 2
Abstract

Background There is a paucity of data comparing 30-day morbidity and mortality of sleeve gastrectomy (SG), Roux-en-Y gastric bypass (RYGB), and one anastomosis gastric bypass (OAGB). This study aimed to compare the 30-day safety of SG, RYGB, and OAGB in propensity score-matched cohorts. Materials and methods This analysis utilised data collected from the GENEVA study which was a multicentre observational cohort study of bariatric and metabolic surgery (BMS) in 185 centres across 42 countries between 01/05/2022 and 31/10/2020 during the Coronavirus Disease-2019 (COVID-19) pandemic. 30-day complications were categorised according to the Clavien–Dindo classification. Patients receiving SG, RYGB, or OAGB were propensity-matched according to baseline characteristics and 30-day complications were compared between groups. Results In total, 6770 patients (SG 3983; OAGB 702; RYGB 2085) were included in this analysis. Prior to matching, RYGB was associated with highest 30-day complication rate (SG 5.8%; OAGB 7.5%; RYGB 8.0% (p = 0.006)). On multivariate regression modelling, Insulin-dependent type 2 diabetes mellitus and hypercholesterolaemia were associated with increased 30-day complications. Being a non-smoker was associated with reduced complication rates. When compared to SG as a reference category, RYGB, but not OAGB, was associated with an increased rate of 30-day complications. A total of 702 pairs of SG and OAGB were propensity score-matched. The complication rate in the SG group was 7.3% (n = 51) as compared to 7.5% (n = 53) in the OAGB group (p = 0.68). Similarly, 2085 pairs of SG and RYGB were propensity score-matched. The complication rate in the SG group was 6.1% (n = 127) as compared to 7.9% (n = 166) in the RYGB group (p = 0.09). And, 702 pairs of OAGB and RYGB were matched. The complication rate in both groups was the same at 7.5 % (n = 53; p = 0.07). Conclusions This global study found no significant difference in the 30-day morbidity and mortality of SG, RYGB, and OAGB in propensity score-matched cohorts.

Published
2021

3. 30-Day morbidity and mortality of bariatric metabolic surgery in adolescence during the COVID-19 pandemic – The GENEVA study

Author

Singhal R., Wiggins T., Super J., Alqahtani A., Nadler E. P., Ludwig C., Tahrani A., Mahawar K., Pedziwiatr M., Major P., Zarzycki P., Pantelis A., Lapatsanis D. P., Stravodimos G., Matthys C., Focquet M., Vleeschouwers W., Spaventa A. G., Zerrweck C., Vitiello A., Berardi G., Musella M., Sanchez-Meza A., Cantu F. J., Mora F., Cantu M. A., Katakwar A., Reddy D. N., Elmaleh H., Hassan M., Elghandour A., Elbanna M., Osman A., Khan A., Layani L., Kiran N., Velikorechin A., Solovyeva M., Melali H., Shahabi S., Agrawal A., Shrivastava A., Sharma A., Narwaria B., Narwaria M., Raziel A., Sakran N., Susmallian S., Karagoz L., Akbaba M., Piskin S. Z., Ziya A., Senol Z., Manno E., Iovino M. G., Qassem M., Arana-Garza S., Povoas H. P., Vilas-Boas M. L., Naumann D., Li A., Ammori B. J., Balamoun H., Salman M., Nasta A. M., Goel R., Sanchez-Aguilar H., Herrera M. F., Abou-Mrad A., Cloix L., Mazzini G. S., Kristem L., Lazaro A., Campos J., Bernardo J., Gonzalez J., Trindade C., Viveiros O., Ribeiro R., Goitein D., Hazzan D., Segev L., Beck T., Reyes H., Monterrubio J., Garcia P., Benois M., Kassir R., Contine A., Elshafei M., Aktas S., Weiner S., Heidsieck T., Level L., Pinango S., Ortega P. M., Moncada R., Valenti V., Vlahovic I., Boras Z., Liagre A., Martini F., Juglard G., Motwani M., Saggu S. S., Al Momani H., Lopez L. A. A., Cortez M. A. C., Zavala R. A., D'Haese C., Kempeneers I., Himpens J., Lazzati A., Paolino L., Bathaei S., Bedirli A., Yavuz A., Buyukkasap C., Ozaydin S., Kwiatkowski A., Bartosiak K., Waledziak M., Santonicola A., Angrisani L., Iovino P., Palma R., Iossa A., Boru C. E., De Angelis F., Silecchia G., Hussain A., Balchandra S., Coltell I. B., Perez J. L., Bohra A., Awan A. K., Madhok B., Leeder P. C., Awad S., Al-Khyatt W., Shoma A., Elghadban H., Ghareeb S., Mathews B., Kurian M., Larentzakis A., Vrakopoulou G. Z., Albanopoulos K., Bozdag A., Lale A., Kirkil C., Dincer M., Bashir A., Haddad A., Hijleh L. A., Zilberstein B., de Marchi D. D., Souza W. P., Broden C. M., Gislason H., Shah K., Ambrosi A., Pavone G., Tartaglia N., Kona S. L. K., Kalyan K., Perez C. E. G., Botero M. A. F., Covic A., Timofte D., Maxim M., Faraj D., Tseng L., Liem R., Oren G., Dilektasli E., Yalcin I., AlMukhtar H., Al Hadad M., Mohan R., Arora N., Bedi D., Rives-Lange C., Chevallier J. -M., Poghosyan T., Sebbag H., Zinai L., Khaldi S., Mauchien C., Mazza D., Dinescu G., Rea B., Perez-Galaz F., Zavala L., Besa A., Curell A., Balibrea J. M., Vaz C., Galindo L., Silva N., Caballero J. L. E., Sebastian S. O., Marchesini J. C. D., da Fonseca Pereira R. A., Sobottka W. H., Fiolo F. E., Turchi M., Coelho A. C. J., Zacaron A. L., Barbosa A., Quinino R., Menaldi G., Paleari N., Martinez-Duartez P., Aragon Ramirez de Esparza D. G. M., Esteban V. S., Torres A., Garcia-Galocha J. L., Josa M. I., Pacheco-Garcia J. M., Mayo-Ossorio M. A., Chowbey P., Soni V., de Vasconcelos Cunha H. A., Castilho M. V., Ferreira R. M. A., Barreiro T. A., Charalabopoulos A., Sdralis E., Davakis S., Bomans B., Dapri G., Van Belle K., MazenTakieddine, Vaneukem P., Karaca E. S. A., Karaca F. C., Sumer A., Peksen C., Savas O. A., Chousleb E., Elmokayed F., Fakhereldin I., Aboshanab H. M., Swelium T., Gudal A., Gamloo L., Ugale A., Ugale S., Boeker C., Reetz C., Hakami I. A., Mall J., Alexandrou A., Baili E., Bodnar Z., Maleckas A., Gudaityte R., Guldogan C. E., Gundogdu E., Ozmen M. M., Thakkar D., Dukkipati N., Shah P. S., Shah S. S., Adil M. T., Jambulingam P., Mamidanna R., Whitelaw D., Jain V., Veetil D. K., Wadhawan R., Torres M., Tinoco T., Leclercq W., Romeijn M., van de Pas K., Alkhazraji A. K., Taha S. A., Ustun M., Yigit T., Inam A., Burhanulhaq M., Pazouki A., Eghbali F., Kermansaravi M., Jazi A. H. D., Mahmoudieh M., Mogharehabed N., Tsiotos G., Stamou K., Barrera Rodriguez F. J., Rojas Navarro M. A., Torres O. M. O., Martinez S. L., Tamez E. R. M., Millan Cornejo G. A., Flores J. E. G., Mohammed D. A., Elfawal M. H., Shabbir A., Guowei K., So J. B. Y., Kaplan E. T., Kaplan M., Kaplan T., Pham D. T., Rana G., Kappus M., Gadani R., Kahitan M., Pokharel K., Osborne A., Pournaras D., Hewes J., Napolitano E., Chiappetta S., Bottino V., Dorado E., Schoettler A., Gaertner D., Fedtke K., Aguilar-Espinosa F., Aceves-Lozano S., Balani A., Nagliati C., Pennisi D., Rizzi A., Frattini F., Foschi D., Benuzzi L., Parikh C. H. I. R. A. G., Shah H. A. R. S. H. I. L., Pinotti E., Montuori M., Borrelli V., Dargent J., Copaescu C. A., Hutopila I., Smeu B., Witteman B., Hazebroek E., Deden L., Heusschen L., Okkema S., Aufenacker T., den Hengst W., Vening W., van der Burgh Y., Ghazal A., Ibrahim H., Niazi M., Alkhaffaf B., Altarawni M., Cesana G. C., Anselmino M., Uccelli M., Olmi S., Stier C., Akmanlar T., Sonnenberg T., Schieferbein U., Marcolini A., Awruch D., Vicentin M., de Souza Bastos E. L., Gregorio S. A., Ahuja A., Mittal T., Bolckmans R., Baratte C., Wisnewsky J. A., Genser L., Chong L., Taylor L., Ward S., Hi M. W., Heneghan H., Fearon N., Plamper A., Rheinwalt K., Geoghegan J., Ng K. C., Kaseja K., Kotowski M., Samarkandy T. A., Leyva-Alvizo A., Corzo-Culebro L., Wang C., Yang W., Dong Z., Riera M., Jain R., Hamed H., Said M., Zarzar K., Garcia M., Turkcapar A. G., Sen O., Baldini E., Conti L., Wietzycoski C., Lopes E., Pintar T., Salobir J., Aydin C., Atici S. D., Ergin A., Ciyiltepe H., Bozkurt M. A., Kizilkaya M. C., Onalan N. B. D., Zuber M. N. B. A., Wong W. J., Garcia A., Vidal L., Beisani M., Pasquier J., Vilallonga R., Sharma S., Parmar C., Lee L., Sufi P., Sinan H., Saydam M., Singhal, R., Wiggins, T., Super, J., Alqahtani, A., Nadler, E. P., Ludwig, C., Tahrani, A., Mahawar, K., Pedziwiatr, M., Major, P., Zarzycki, P., Pantelis, A., Lapatsanis, D. P., Stravodimos, G., Matthys, C., Focquet, M., Vleeschouwers, W., Spaventa, A. G., Zerrweck, C., Vitiello, A., Berardi, G., Musella, M., Sanchez-Meza, A., Cantu, F. J., Mora, F., Cantu, M. A., Katakwar, A., Reddy, D. N., Elmaleh, H., Hassan, M., Elghandour, A., Elbanna, M., Osman, A., Khan, A., Layani, L., Kiran, N., Velikorechin, A., Solovyeva, M., Melali, H., Shahabi, S., Agrawal, A., Shrivastava, A., Sharma, A., Narwaria, B., Narwaria, M., Raziel, A., Sakran, N., Susmallian, S., Karagoz, L., Akbaba, M., Piskin, S. Z., Ziya, A., Senol, Z., Manno, E., Iovino, M. G., Qassem, M., Arana-Garza, S., Povoas, H. P., Vilas-Boas, M. L., Naumann, D., Li, A., Ammori, B. J., Balamoun, H., Salman, M., Nasta, A. M., Goel, R., Sanchez-Aguilar, H., Herrera, M. F., Abou-Mrad, A., Cloix, L., Mazzini, G. S., Kristem, L., Lazaro, A., Campos, J., Bernardo, J., Gonzalez, J., Trindade, C., Viveiros, O., Ribeiro, R., Goitein, D., Hazzan, D., Segev, L., Beck, T., Reyes, H., Monterrubio, J., Garcia, P., Benois, M., Kassir, R., Contine, A., Elshafei, M., Aktas, S., Weiner, S., Heidsieck, T., Level, L., Pinango, S., Ortega, P. M., Moncada, R., Valenti, V., Vlahovic, I., Boras, Z., Liagre, A., Martini, F., Juglard, G., Motwani, M., Saggu, S. S., Al Momani, H., Lopez, L. A. A., Cortez, M. A. C., Zavala, R. A., D'Haese, C., Kempeneers, I., Himpens, J., Lazzati, A., Paolino, L., Bathaei, S., Bedirli, A., Yavuz, A., Buyukkasap, C., Ozaydin, S., Kwiatkowski, A., Bartosiak, K., Waledziak, M., Santonicola, A., Angrisani, L., Iovino, P., Palma, R., Iossa, A., Boru, C. E., De Angelis, F., Silecchia, G., Hussain, A., Balchandra, S., Coltell, I. B., Perez, J. L., Bohra, A., Awan, A. K., Madhok, B., Leeder, P. C., Awad, S., Al-Khyatt, W., Shoma, A., Elghadban, H., Ghareeb, S., Mathews, B., Kurian, M., Larentzakis, A., Vrakopoulou, G. Z., Albanopoulos, K., Bozdag, A., Lale, A., Kirkil, C., Dincer, M., Bashir, A., Haddad, A., Hijleh, L. A., Zilberstein, B., de Marchi, D. D., Souza, W. P., Broden, C. M., Gislason, H., Shah, K., Ambrosi, A., Pavone, G., Tartaglia, N., Kona, S. L. K., Kalyan, K., Perez, C. E. G., Botero, M. A. F., Covic, A., Timofte, D., Maxim, M., Faraj, D., Tseng, L., Liem, R., Oren, G., Dilektasli, E., Yalcin, I., Almukhtar, H., Al Hadad, M., Mohan, R., Arora, N., Bedi, D., Rives-Lange, C., Chevallier, J. -M., Poghosyan, T., Sebbag, H., Zinai, L., Khaldi, S., Mauchien, C., Mazza, D., Dinescu, G., Rea, B., Perez-Galaz, F., Zavala, L., Besa, A., Curell, A., Balibrea, J. M., Vaz, C., Galindo, L., Silva, N., Caballero, J. L. E., Sebastian, S. O., Marchesini, J. C. D., da Fonseca Pereira, R. A., Sobottka, W. H., Fiolo, F. E., Turchi, M., Coelho, A. C. J., Zacaron, A. L., Barbosa, A., Quinino, R., Menaldi, G., Paleari, N., Martinez-Duartez, P., Aragon Ramirez de Esparza, D. G. M., Esteban, V. S., Torres, A., Garcia-Galocha, J. L., Josa, M. I., Pacheco-Garcia, J. M., Mayo-Ossorio, M. A., Chowbey, P., Soni, V., de Vasconcelos Cunha, H. A., Castilho, M. V., Ferreira, R. M. A., Barreiro, T. A., Charalabopoulos, A., Sdralis, E., Davakis, S., Bomans, B., Dapri, G., Van Belle, K., Mazentakieddine, Vaneukem, P., Karaca, E. S. A., Karaca, F. C., Sumer, A., Peksen, C., Savas, O. A., Chousleb, E., Elmokayed, F., Fakhereldin, I., Aboshanab, H. M., Swelium, T., Gudal, A., Gamloo, L., Ugale, A., Ugale, S., Boeker, C., Reetz, C., Hakami, I. A., Mall, J., Alexandrou, A., Baili, E., Bodnar, Z., Maleckas, A., Gudaityte, R., Guldogan, C. E., Gundogdu, E., Ozmen, M. M., Thakkar, D., Dukkipati, N., Shah, P. S., Shah, S. S., Adil, M. T., Jambulingam, P., Mamidanna, R., Whitelaw, D., Jain, V., Veetil, D. K., Wadhawan, R., Torres, M., Tinoco, T., Leclercq, W., Romeijn, M., van de Pas, K., Alkhazraji, A. K., Taha, S. A., Ustun, M., Yigit, T., Inam, A., Burhanulhaq, M., Pazouki, A., Eghbali, F., Kermansaravi, M., Jazi, A. H. D., Mahmoudieh, M., Mogharehabed, N., Tsiotos, G., Stamou, K., Barrera Rodriguez, F. J., Rojas Navarro, M. A., Torres, O. M. O., Martinez, S. L., Tamez, E. R. M., Millan Cornejo, G. A., Flores, J. E. G., Mohammed, D. A., Elfawal, M. H., Shabbir, A., Guowei, K., So, J. B. Y., Kaplan, E. T., Kaplan, M., Kaplan, T., Pham, D. T., Rana, G., Kappus, M., Gadani, R., Kahitan, M., Pokharel, K., Osborne, A., Pournaras, D., Hewes, J., Napolitano, E., Chiappetta, S., Bottino, V., Dorado, E., Schoettler, A., Gaertner, D., Fedtke, K., Aguilar-Espinosa, F., Aceves-Lozano, S., Balani, A., Nagliati, C., Pennisi, D., Rizzi, A., Frattini, F., Foschi, D., Benuzzi, L., Parikh, C. H. I. R. A. G., Shah, H. A. R. S. H. I. L., Pinotti, E., Montuori, M., Borrelli, V., Dargent, J., Copaescu, C. A., Hutopila, I., Smeu, B., Witteman, B., Hazebroek, E., Deden, L., Heusschen, L., Okkema, S., Aufenacker, T., den Hengst, W., Vening, W., van der Burgh, Y., Ghazal, A., Ibrahim, H., Niazi, M., Alkhaffaf, B., Altarawni, M., Cesana, G. C., Anselmino, M., Uccelli, M., Olmi, S., Stier, C., Akmanlar, T., Sonnenberg, T., Schieferbein, U., Marcolini, A., Awruch, D., Vicentin, M., de Souza Bastos, E. L., Gregorio, S. A., Ahuja, A., Mittal, T., Bolckmans, R., Baratte, C., Wisnewsky, J. A., Genser, L., Chong, L., Taylor, L., Ward, S., Hi, M. W., Heneghan, H., Fearon, N., Plamper, A., Rheinwalt, K., Geoghegan, J., Ng, K. C., Kaseja, K., Kotowski, M., Samarkandy, T. A., Leyva-Alvizo, A., Corzo-Culebro, L., Wang, C., Yang, W., Dong, Z., Riera, M., Jain, R., Hamed, H., Said, M., Zarzar, K., Garcia, M., Turkcapar, A. G., Sen, O., Baldini, E., Conti, L., Wietzycoski, C., Lopes, E., Pintar, T., Salobir, J., Aydin, C., Atici, S. D., Ergin, A., Ciyiltepe, H., Bozkurt, M. A., Kizilkaya, M. C., Onalan, N. B. D., Zuber, M. N. B. A., Wong, W. J., Garcia, A., Vidal, L., Beisani, M., Pasquier, J., Vilallonga, R., Sharma, S., Parmar, C., Lee, L., Sufi, P., Sinan, H., and Saydam, M.

Subjects
Male, Pediatrics, medicine.medical_specialty, Coronavirus disease 2019 (COVID-19), Adolescent, Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), bariatric surgery, Context (language use), Pandemic, Medicine, Humans, Pandemics, COVID-19, pandemic, SARS-CoV-2, Nutrition and Dietetics, Manchester Cancer Research Centre, business.industry, Health Policy, ResearchInstitutes_Networks_Beacons/mcrc, Public Health, Environmental and Occupational Health, medicine.disease, Obesity, Obesity, Morbid, Treatment Outcome, Pediatrics, Perinatology and Child Health, Cohort, Female, Morbidity, business, Body mass index, Cohort study, Human
Abstract

Background: Metabolic and bariatric surgery (MBS) is an effective treatment for adolescents with severe obesity. Objectives: This study examined the safety of MBS in adolescents during the coronavirus disease 2019 (COVID-19) pandemic. Methods: This was a global, multicentre and observational cohort study of MBS performed between May 01, 2020, and October 10,2020, in 68 centres from 24 countries. Data collection included in-hospital and 30-day COVID-19 and surgery-specific morbidity/mortality. Results: One hundred and seventy adolescent patients (mean age: 17.75 ± 1.30 years), mostly females (n=122, 71.8%), underwent MBS during the study period. The mean pre-operative weight and body mass index were 122.16 ± 15.92 kg and 43.7± 7.11 kg/m2, respectively. Although majority of patients had pre-operative testing for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) (n=146; 85.9%), only 42.4% (n=72) of the patients were asked to self-isolate pre-operatively. Two patients developed symptomatic SARS-CoV-2 infection post-operatively (1.2%). The overall complication rate was 5.3% (n=9). There was no mortality in this cohort. Conclusions: MBS in adolescents with obesity is safe during the COVID-19 pandemic when performed within the context of local precautionary procedures (such as pre-operative testing). The 30-day morbidity rates were similar to those reported pre-pandemic. These data will help facilitate the safe re-introduction of MBS services for this group of patients.

Published
2021

5. Global 30-day outcomes after bariatric surgery during the COVID-19 pandemic (GENEVA): an international cohort study

Author

Abou-Mrad-Fricquegnon, A, Alasfur, A, Alexandrou, A, Barbosa, A, Bashir, A, Bosco, A, Charalabopoulos, A, Curell, A, Davarpanah Jazi, A, Diego, A, Elghandour, A, Ergin, A, Garcia, A, Ghazal, A, Haddad, A, Ibarzábal, A, Khazraji, A, Lale, A, Lázaro, A, Leyva-Alvizo, A, Liagre, A, Maleckas, A, Osman, A, Pantelis, A, Pazouki, A, Plamper, A, Raziel, A, Rizzi, A, Sanchez, A, Sharma, A, Spaventa, A, Sumer, A, Torres, A, Türkçapar, A, Ugale, A, Velikorechin, A, Vitiello, A, Alkhaffaf, B, Bomans, B, Ammori, BJ, Pares, B, Smeu, B, Zilberstein, B, Boeker, C, Brodén, C, Copaescu, C, Guevara, C, Güldoğan, C, Kirkil, C, Matthys, C, Nagliati, C, Parmar, C, Trindade, C, Vaz, C, Wietzycoski, C, Zerrweck, C, Bedi, D, de Marchi, D, Faraj, D, Foschi, D, Goitein, D, Hazzan, D, Lapatsanis, D, Mazza, D, Mohammed, D, Padilla-Armendariz, D, Pennisi, D, Pham, D, Pournaras, D, Swank, D, Thakkar, D, Baena, E, Baili, E, Bastos, E, Dilektasli, E, Hazebroek, E, Kaplan, E, Lopes, E, Manno, E, Pinotti, E, Sdralis, E, Barrera-Rodriguez, F, Cantu, F, Jr., Frattini, F, Martini, F, Berardi, G, Cesana, G, Dapri, G, Dinescu, G, Juglard, G, Martinez de Aragon, G, Menaldi, G, Ören, G, Pavone, G, Rana, G, Vrakopoulou, G, Aboshanab, H, Al-Momani, H, Balamoun, H, Çiyiltepe, H, de Vasconcelos Cunha, H, Elghadban, H, Gislason, H, Hamed, H, Heneghan, H, Ibrahim, H, Melali, H, Reyes, H, Sebbag, H, Hakami, I, Hutopila, I, Balibrea, J, Bernardo, J, Campos, J, Chevallier, J, Dargent, J, Estrada, J, Gonzalez, J, Hewes, J, Himpens, J, Mall, J, Monterrubio, J, Pasquier, J, Albanopoulos, K, Bartosiak, K, Kaseja, K, Kumar, K, Rheinwalt, K, Shah, K, van de Pas, K., Angrisani, L, Benuzzi, L, Chong, L, Layani, L, Lee, L, Level, L, Taylor, L, Zinai, L, Akbaba, M, Alejandro, M, Altarawni, M, Beisani, M, Bertrand, M, Cantu, M, Dincer, M, Elbanna, M, Elfawal, M, Focquet, M, Forero, M, Hadad, M, Hii, M, Iovino, M, Islam, M, Josa, M, Kaplan, M, Kermansaravi, M, Khaitan, M, Kizilkaya, M, Kotowski, M, Montouri, M, Musella, M, Narwaria, M, Navarro, M, Niazi, M, Özmen, M, Qassem, M, Romeijn, M, Said, M, Salman, M, Solovyeva, M, Takieddine, M, Uccelli, M, Ustun, M, Valeti, M, Walędziak, M, Arora, N, Dukkipati, N, Fearon, N, Kiran, N, Paleari, N, Sakran, N, Silva, N, Tartaglia, N, Savas, O, Şen, O, Viveiros, O, Fabbri, P, García, P, Major, P, Martinez, P, Martinez Duartez, P, Salminen, P, Shah, P, Gadani, R, Gokay, R, Gudaityte, R, Kassir, R, Liem, R, Mohan, R, Palma, R, Quinino, R, Ribeiro, R, Vilallonga, R, Arana-Garza, S, Chiappetta, S, Davakis, S, Ghareeb, S, Gregorio, S, Khaldi, S, Martinez, S, Okkema, S, Olmi, S, Ortiz, S, Pinango, S, Shah, S, Shahabi, S, Taha, S, Ugale, S, Barreiro, T, Beck, T, Poghosyan, T, Samarkandy, T, Yigit, T, Borrelli, V, Bottino, V, Marco, V, Ormando, V, Pol, V, Sierra Esteban, V, Valentí, V, Leclercq, W, Souza, W, Vening, W, Vleeschouwers, W, van der Burgh, Y, Singhal, Rishi, Tahrani, Abd A, Ludwig, Christian, and Mahawar, Kamal

Published
2021
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6. 30-day morbidity and mortality of sleeve gastrectomy, Roux-en-Y gastric bypass and one anastomosis gastric bypass: a propensity score-matched analysis of the GENEVA data

Author

Singhal, R. Cardoso, V.R. Wiggins, T. Super, J. Ludwig, C. Gkoutos, G.V. Mahawar, K. Pędziwiatr, M. Major, P. Zarzycki, P. Pantelis, A. Lapatsanis, D.P. Stravodimos, G. Matthys, C. Focquet, M. Vleeschouwers, W. Spaventa, A.G. Zerrweck, C. Vitiello, A. Berardi, G. Musella, M. Sanchez-Meza, A. Cantu, F.J., Jr Mora, F. Cantu, M.A. Katakwar, A. Reddy, D.N. Elmaleh, H. Hassan, M. Elghandour, A. Elbanna, M. Osman, A. Khan, A. layani, L. Kiran, N. Velikorechin, A. Solovyeva, M. Melali, H. Shahabi, S. Agrawal, A. Shrivastava, A. Sharma, A. Narwaria, B. Narwaria, M. Raziel, A. Sakran, N. Susmallian, S. Karagöz, L. Akbaba, M. Pişkin, S.Z. Balta, A.Z. Senol, Z. Manno, E. Iovino, M.G. Osman, A. Qassem, M. Arana-Garza, S. Povoas, H.P. Vilas-Boas, M.L. Naumann, D. Li, A. Ammori, B.J. Balamoun, H. Salman, M. Nasta, A.M. Goel, R. Sánchez-Aguilar, H. Herrera, M.F. Abou-mrad, A. Cloix, L. Mazzini, G.S. Kristem, L. Lazaro, A. Campos, J. Bernardo, J. González, J. Trindade, C. Viveiros, O. Ribeiro, R. Goitein, D. Hazzan, D. Segev, L. Beck, T. Reyes, H. Monterrubio, J. García, P. Benois, M. Kassir, R. Contine, A. Elshafei, M. Aktas, S. Weiner, S. Heidsieck, T. Level, L. Pinango, S. Ortega, P.M. Moncada, R. Valenti, V. Vlahović, I. Boras, Z. Liagre, A. Martini, F. Juglard, G. Motwani, M. Saggu, S.S. Momani, H.A. López, L.A.A. Cortez, M.A.C. Zavala, R.A. D’Haese RN, C. Kempeneers, I. Himpens, J. Lazzati, A. Paolino, L. Bathaei, S. Bedirli, A. Yavuz, A. Büyükkasap, Ç. Özaydın, S. Kwiatkowski, A. Bartosiak, K. Walędziak, M. Santonicola, A. Angrisani, L. Iovino, P. Palma, R. Iossa, A. Boru, C.E. De Angelis, F. Silecchia, G. Hussain, A. Balchandra, S. Coltell, I.B. Pérez, J.L. Bohra, A. Awan, A.K. Madhok, B. Leeder, P.C. Awad, S. Al-Khyatt, W. Shoma, A. Elghadban, H. Ghareeb, S. Mathews, B. Kurian, M. Larentzakis, A. Vrakopoulou, G.Z. Albanopoulos, K. Bozdag, A. Lale, A. Kirkil, C. Dincer, M. Bashir, A. Haddad, A. Hijleh, L.A. Zilberstein, B. de Marchi, D.D. Souza, W.P. Brodén, C.M. Gislason, H. Shah, K. Ambrosi, A. Pavone, G. Tartaglia, N. Kona, S.L.K. Kalyan, K. Perez, C.E.G. Botero, M.A.F. Covic, A. Timofte, D. Maxim, M. Faraj, D. Tseng, L. Liem, R. Ören, G. Dilektasli, E. Yalcin, I. AlMukhtar, H. Hadad, M.A. Mohan, R. Arora, N. Bedi, D. Rives-Lange, C. Chevallier, J.-M. Poghosyan, T. Sebbag, H. Zinaï, L. Khaldi, S. Mauchien, C. Mazza, D. Dinescu, G. Rea, B. Pérez-Galaz, F. Zavala, L. Besa, A. Curell, A. Balibrea, J.M. Vaz, C. Galindo, L. Silva, N. Caballero, J.L.E. Sebastian, S.O. Marchesini, J.C.D. da Fonseca Pereira, R.A. Sobottka, W.H. Fiolo, F.E. Turchi, M. Coelho, A.C.J. Zacaron, A.L. Barbosa, A. Quinino, R. Menaldi, G. Paleari, N. Martinez-Duartez, P. de Esparza, G.M.A.R. Esteban, V.S. Torres, A. Garcia-Galocha, J.L. Josa, M. Pacheco-Garcia, J.M. Mayo-Ossorio, M.A. Chowbey, P. Soni, V. de Vasconcelos Cunha, H.A. Castilho, M.V. Ferreira, R.M.A. Barreiro, T.A. Charalabopoulos, A. Sdralis, E. Davakis, S. Bomans, B. Dapri, G. Van Belle, K. Takieddine, M. Vaneukem, P. Karaca, E.S.A. Karaca, F.C. Sumer, A. Peksen, C. Savas, O.A. Chousleb, E. Elmokayed, F. Fakhereldin, I. Aboshanab, H.M. Swelium, T. Gudal, A. Gamloo, L. Ugale, A. Ugale, S. Boeker, C. Reetz, C. Hakami, I.A. Mall, J. Alexandrou, A. Baili, E. Bodnar, Z. Maleckas, A. Gudaityte, R. Guldogan, C.E. Gundogdu, E. Ozmen, M.M. Thakkar, D. Dukkipati, N. Shah, P.S. Shah, S.S. Shah, S.S. Adil, M.T. Jambulingam, P. Mamidanna, R. Whitelaw, D. Adil, M.T. Jain, V. Veetil, D.K. Wadhawan, R. Torres, A. Torres, M. Tinoco, T. Leclercq, W. Romeijn, M. van de Pas, K. Alkhazraji, A.K. Taha, S.A. Ustun, M. Yigit, T. Inam, A. Burhanulhaq, M. Pazouki, A. Eghbali, F. Kermansaravi, M. Jazi, A.H.D. Mahmoudieh, M. Mogharehabed, N. Tsiotos, G. Stamou, K. Rodriguez, F.J.B. Navarro, M.A.R. Torres, O.M. Martinez, S.L. Tamez, E.R.M. Cornejo, G.A.M. Flores, J.E.G. Mohammed, D.A. Elfawal, M.H. Shabbir, A. Guowei, K. So, J.B. Kaplan, E.T. Kaplan, M. Kaplan, T. Pham, D.T. Rana, G. Kappus, M. Gadani, R. Kahitan, M. Pokharel, K. Osborne, A. Pournaras, D. Hewes, J. Napolitano, E. Chiappetta, S. Bottino, V. Dorado, E. Schoettler, A. Gaertner, D. Fedtke, K. Aguilar-Espinosa, F. Aceves-Lozano, S. Balani, A. Nagliati, C. Pennisi, D. Rizzi, A. Frattini, F. Foschi, D. Benuzzi, L. Parikh, C. Shah, H. Pinotti, E. Montuori, M. Borrelli, V. Dargent, J. Copaescu, C.A. Hutopila, I. Smeu, B. Witteman, B. Hazebroek, E. Deden, L. Heusschen, L. Okkema, S. Aufenacker, T. den Hengst, W. Vening, W. van der Burgh, Y. Ghazal, A. Ibrahim, H. Niazi, M. Alkhaffaf, B. Altarawni, M. Cesana, G.C. Anselmino, M. Uccelli, M. Olmi, S. Stier, C. Akmanlar, T. Sonnenberg, T. Schieferbein, U. Marcolini, A. Awruch, D. Vicentin, M. de Souza Bastos, E.L. Gregorio, S.A. Ahuja, A. Mittal, T. Bolckmans, R. Wiggins, T. Baratte, C. Wisnewsky, J.A. Genser, L. Chong, L. Taylor, L. Ward, S. Hi, M.W. Heneghan, H. Fearon, N. Plamper, A. Rheinwalt, K. Heneghan, H. Geoghegan, J. Ng, K.C. Fearon, N. Kaseja, K. Kotowski, M. Samarkandy, T.A. Leyva-Alvizo, A. Corzo-Culebro, L. Wang, C. Yang, W. Dong, Z. Riera, M. Jain, R. Hamed, H. Said, M. Zarzar, K. Garcia, M. Türkçapar, A.G. Şen, O. Baldini, E. Conti, L. Wietzycoski, C. Lopes, E. Pintar, T. Salobir, J. Aydin, C. Atici, S.D. Ergin, A. Ciyiltepe, H. Bozkurt, M.A. Kizilkaya, M.C. Onalan, N.B.D. Zuber, M.N.B.A. Wong, W.J. Garcia, A. Vidal, L. Beisani, M. Pasquier, J. Vilallonga, R. Sharma, S. Parmar, C. Lee, L. Sufi, P. Sinan, H. Saydam, M. GENEVA Collaborators

Subjects
nutritional and metabolic diseases
Abstract

Background: There is a paucity of data comparing 30-day morbidity and mortality of sleeve gastrectomy (SG), Roux-en-Y gastric bypass (RYGB), and one anastomosis gastric bypass (OAGB). This study aimed to compare the 30-day safety of SG, RYGB, and OAGB in propensity score-matched cohorts. Materials and methods: This analysis utilised data collected from the GENEVA study which was a multicentre observational cohort study of bariatric and metabolic surgery (BMS) in 185 centres across 42 countries between 01/05/2022 and 31/10/2020 during the Coronavirus Disease-2019 (COVID-19) pandemic. 30-day complications were categorised according to the Clavien–Dindo classification. Patients receiving SG, RYGB, or OAGB were propensity-matched according to baseline characteristics and 30-day complications were compared between groups. Results: In total, 6770 patients (SG 3983; OAGB 702; RYGB 2085) were included in this analysis. Prior to matching, RYGB was associated with highest 30-day complication rate (SG 5.8%; OAGB 7.5%; RYGB 8.0% (p = 0.006)). On multivariate regression modelling, Insulin-dependent type 2 diabetes mellitus and hypercholesterolaemia were associated with increased 30-day complications. Being a non-smoker was associated with reduced complication rates. When compared to SG as a reference category, RYGB, but not OAGB, was associated with an increased rate of 30-day complications. A total of 702 pairs of SG and OAGB were propensity score-matched. The complication rate in the SG group was 7.3% (n = 51) as compared to 7.5% (n = 53) in the OAGB group (p = 0.68). Similarly, 2085 pairs of SG and RYGB were propensity score-matched. The complication rate in the SG group was 6.1% (n = 127) as compared to 7.9% (n = 166) in the RYGB group (p = 0.09). And, 702 pairs of OAGB and RYGB were matched. The complication rate in both groups was the same at 7.5 % (n = 53; p = 0.07). Conclusions: This global study found no significant difference in the 30-day morbidity and mortality of SG, RYGB, and OAGB in propensity score-matched cohorts. © 2021, The Author(s).

Published
2021

9. Global 30-day outcomes after bariatric surgery during the COVID-19 pandemic (GENEVA): an international cohort study

Author

Singhal, Rishi, primary, Tahrani, Abd A, additional, Ludwig, Christian, additional, Mahawar, Kamal, additional, Abou-Mrad-Fricquegnon, A, additional, Alasfur, A, additional, Alexandrou, A, additional, Barbosa, A, additional, Bashir, A, additional, Bosco, A, additional, Charalabopoulos, A, additional, Curell, A, additional, Davarpanah Jazi, A, additional, Diego, A, additional, Elghandour, A, additional, Ergin, A, additional, Garcia, A, additional, Ghazal, A, additional, Haddad, A, additional, Ibarzábal, A, additional, Khazraji, A, additional, Lale, A, additional, Lázaro, A, additional, Leyva-Alvizo, A, additional, Liagre, A, additional, Maleckas, A, additional, Osman, A, additional, Pantelis, A, additional, Pazouki, A, additional, Plamper, A, additional, Raziel, A, additional, Rizzi, A, additional, Sanchez, A, additional, Sharma, A, additional, Spaventa, A, additional, Sumer, A, additional, Torres, A, additional, Türkçapar, A, additional, Ugale, A, additional, Velikorechin, A, additional, Vitiello, A, additional, Alkhaffaf, B, additional, Bomans, B, additional, Ammori, BJ, additional, Pares, B, additional, Smeu, B, additional, Zilberstein, B, additional, Boeker, C, additional, Brodén, C, additional, Copaescu, C, additional, Guevara, C, additional, Güldoğan, C, additional, Kirkil, C, additional, Matthys, C, additional, Nagliati, C, additional, Parmar, C, additional, Trindade, C, additional, Vaz, C, additional, Wietzycoski, C, additional, Zerrweck, C, additional, Bedi, D, additional, de Marchi, D, additional, Faraj, D, additional, Foschi, D, additional, Goitein, D, additional, Hazzan, D, additional, Lapatsanis, D, additional, Mazza, D, additional, Mohammed, D, additional, Padilla-Armendariz, D, additional, Pennisi, D, additional, Pham, D, additional, Pournaras, D, additional, Swank, D, additional, Thakkar, D, additional, Baena, E, additional, Baili, E, additional, Bastos, E, additional, Dilektasli, E, additional, Hazebroek, E, additional, Kaplan, E, additional, Lopes, E, additional, Manno, E, additional, Pinotti, E, additional, Sdralis, E, additional, Barrera-Rodriguez, F, additional, Cantu, F, additional, Frattini, F, additional, Martini, F, additional, Berardi, G, additional, Cesana, G, additional, Dapri, G, additional, Dinescu, G, additional, Juglard, G, additional, Martinez de Aragon, G, additional, Menaldi, G, additional, Ören, G, additional, Pavone, G, additional, Rana, G, additional, Vrakopoulou, G, additional, Aboshanab, H, additional, Al-Momani, H, additional, Balamoun, H, additional, Çiyiltepe, H, additional, de Vasconcelos Cunha, H, additional, Elghadban, H, additional, Gislason, H, additional, Hamed, H, additional, Heneghan, H, additional, Ibrahim, H, additional, Melali, H, additional, Reyes, H, additional, Sebbag, H, additional, Hakami, I, additional, Hutopila, I, additional, Balibrea, J, additional, Bernardo, J, additional, Campos, J, additional, Chevallier, J, additional, Dargent, J, additional, Estrada, J, additional, Gonzalez, J, additional, Hewes, J, additional, Himpens, J, additional, Mall, J, additional, Monterrubio, J, additional, Pasquier, J, additional, Albanopoulos, K, additional, Bartosiak, K, additional, Kaseja, K, additional, Kumar, K, additional, Rheinwalt, K, additional, Shah, K, additional, van de Pas, K., additional, Angrisani, L, additional, Benuzzi, L, additional, Chong, L, additional, Layani, L, additional, Lee, L, additional, Level, L, additional, Taylor, L, additional, Zinai, L, additional, Akbaba, M, additional, Alejandro, M, additional, Altarawni, M, additional, Beisani, M, additional, Bertrand, M, additional, Cantu, M, additional, Dincer, M, additional, Elbanna, M, additional, Elfawal, M, additional, Focquet, M, additional, Forero, M, additional, Hadad, M, additional, Hii, M, additional, Iovino, M, additional, Islam, M, additional, Josa, M, additional, Kaplan, M, additional, Kermansaravi, M, additional, Khaitan, M, additional, Kizilkaya, M, additional, Kotowski, M, additional, Montouri, M, additional, Musella, M, additional, Narwaria, M, additional, Navarro, M, additional, Niazi, M, additional, Özmen, M, additional, Qassem, M, additional, Romeijn, M, additional, Said, M, additional, Salman, M, additional, Solovyeva, M, additional, Takieddine, M, additional, Uccelli, M, additional, Ustun, M, additional, Valeti, M, additional, Walędziak, M, additional, Arora, N, additional, Dukkipati, N, additional, Fearon, N, additional, Kiran, N, additional, Paleari, N, additional, Sakran, N, additional, Silva, N, additional, Tartaglia, N, additional, Savas, O, additional, Şen, O, additional, Viveiros, O, additional, Fabbri, P, additional, García, P, additional, Major, P, additional, Martinez, P, additional, Martinez Duartez, P, additional, Salminen, P, additional, Shah, P, additional, Gadani, R, additional, Gokay, R, additional, Gudaityte, R, additional, Kassir, R, additional, Liem, R, additional, Mohan, R, additional, Palma, R, additional, Quinino, R, additional, Ribeiro, R, additional, Vilallonga, R, additional, Arana-Garza, S, additional, Chiappetta, S, additional, Davakis, S, additional, Ghareeb, S, additional, Gregorio, S, additional, Khaldi, S, additional, Martinez, S, additional, Okkema, S, additional, Olmi, S, additional, Ortiz, S, additional, Pinango, S, additional, Shah, S, additional, Shahabi, S, additional, Taha, S, additional, Ugale, S, additional, Barreiro, T, additional, Beck, T, additional, Poghosyan, T, additional, Samarkandy, T, additional, Yigit, T, additional, Borrelli, V, additional, Bottino, V, additional, Marco, V, additional, Ormando, V, additional, Pol, V, additional, Sierra Esteban, V, additional, Valentí, V, additional, Leclercq, W, additional, Souza, W, additional, Vening, W, additional, Vleeschouwers, W, additional, and van der Burgh, Y, additional

Published
2021
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10. Incidence of postoperative delirium in patients with preoperative and postoperative Obstructive Sleep Apnea Syndrome. A Systematic Review of the literature.

Author

Dooijeweerd, S, Torensma, Bart, Faraj, D, and Eldawlatly, A

Subjects
SLEEP apnea syndromes, DELIRIUM, MEDICAL research, CROSS-sectional method
Abstract

Introduction: Clinical research has suggested that there might be a correlation between postoperative delirium (POD) and obstructive sleep apnea (OSA) syndrome. We aimed to assess the association between POD and OSA syndrome. Methods: The electronic database PubMed was searched using combinations of terms for "Delirium,'' "Obstructive Sleep Apnea,'' and "postoperative delirium.'' Excluded were studies without comparison as well as cross-sectional studies, case series, and case reports. The search was conducted with restriction toward English or not to the date of publication. Results: We included four studies in this review. In two of those studies, an association was found between POD and OSA syndrome. Pooled analysis showed a significant correlation between the two. Conclusion: High-quality studies regarding the subject are rare and heterogeneous. However, despite the lack of high-quality studies regarding the subject, the ones that are performed well conclude that there is a correlation between POD and OSA syndrome. Future studies addressing the matter should be well set up controlled clinical trials to draw conclusions and be able to investigate modifiable factors that can be used in a standardized protocol. [ABSTRACT FROM AUTHOR]

Published
2022
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11. ESTIMATION OF THERMODYNAMIC ISOTHERMS FOR MN ADSORPTION IN SOME CALCAREOUS SOILS AT SULAIMANI GOVERNORATE.

Author

Sheikh-Abdullah, Sh. M., Karim, K. H., Ali, S. M. Mohammed, and Faraj, D. H. T.

Subjects
ADSORPTION isotherms, ENDOTHERMIC reactions, EXOTHERMIC reactions, SOIL temperature, SOIL absorption & adsorption, CALCAREOUS soils, MANGANESE, THERMODYNAMICS
Abstract

Copyright of Iraqi Journal of Agricultural Sciences is the property of Republic of Iraq Ministry of Higher Education & Scientific Research (MOHESR) and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2019

12. Lower atovaquone/proguanil concentrations in patients taking efavirenz, lopinavir/ritonavir or atazanavir/ritonavir.

Author

Luin, M. van, Ende, M.E. van der, Richter, C., Visser, M. de, Faraj, D., Ven, A.J.A.M. van der, Gelinck, L., Kroon, F., Wit, F.W., Schaik, R.H. van, Kuks, P.F.M., Burger, D.M., Luin, M. van, Ende, M.E. van der, Richter, C., Visser, M. de, Faraj, D., Ven, A.J.A.M. van der, Gelinck, L., Kroon, F., Wit, F.W., Schaik, R.H. van, Kuks, P.F.M., and Burger, D.M.

Abstract

Contains fulltext : 87324.pdf (publisher's version ) (Closed access), HIV-infected travellers frequently use atovaquone/proguanil as malaria prophylaxis. We compared atovaquone/proguanil pharmacokinetics between healthy volunteers and HIV-infected patients taking efavirenz, lopinavir/ritonavir or atazanavir/ritonavir. The geometric mean ratio (95% confidence interval) area under the curve (AUC)0-->t for atovaquone relative to the healthy volunteers was 0.25 (0.16-0.38), 0.26 (0.17-0.41) and 0.54 (0.35-0.83) for patients on efavirenz, lopinavir/ritonavir and atazanavir/ritonavir, respectively. Proguanil plasma concentrations were also significantly lower (38-43%). Physicians should be alert for atovaquone/proguanil prophylaxis failures in patients taking efavirenz, lopinavir/ritonavir or atazanavir/ritonavir.

Published
2010

17. Microstructural Characterization of Rapidly Solidified Al-High Si Alloys

Author

Atkinson, Helen V., Alshmri, Faraj D., Hainsworth, S.V., and Lawes, S.D.A.

Abstract

Aluminium silicon alloys are the most used raw material for automotive applications. One of the main limitations on using aluminium high silicon alloys is the formation of coarse brittle phases under conventional solidification conditions. However, rapid solidification processing (RS) (for example, through melt spinning) is very effective in limiting the coarsening of primary silicon due to the high cooling rate. In the present work, characterisation of the material at the first stage of production as melt-spun ribbon and flake has been carried out. The microstructures show typical characteristics of a ‘featureless zone’ on the wheel-side and coarser microstructures on the air-side, with clusters of silicon particles evident. At high magnification, on the wheel-side, TEM and FEGSEM reveal local variations in the silicon and aluminium content (although on average there is no macrosegregation from the wheel-side to the air-side during solidification). In FEGSEM, the ‘rosette-structure’ also displays local variations in Al, Si, Fe, Cu and Ni over a scale of a few microns.

Published
2011
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18. Global 30-day outcomes after bariatric surgery during the COVID-19 pandemic (GENEVA): an international cohort study

Author

Rishi Singhal, Abd A Tahrani, Christian Ludwig, Kamal Mahawar, A Abou-Mrad-Fricquegnon, A Alasfur, A Alexandrou, A Barbosa, A Bashir, A Bosco, A Charalabopoulos, A Curell, A Davarpanah Jazi, A Diego, A Elghandour, A Ergin, A Garcia, A Ghazal, A Haddad, A Ibarzábal, A Khazraji, A Lale, A Lázaro, A Leyva-Alvizo, A Liagre, A Maleckas, A Osman, A Pantelis, A Pazouki, A Plamper, A Raziel, A Rizzi, A Sanchez, A Sharma, A Spaventa, A Sumer, A Torres, A Türkçapar, A Ugale, A Velikorechin, A Vitiello, B Alkhaffaf, B Bomans, BJ Ammori, B Pares, B Smeu, B Zilberstein, C Boeker, C Brodén, C Copaescu, C Guevara, C Güldoğan, C Kirkil, C Matthys, C Nagliati, C Parmar, C Trindade, C Vaz, C Wietzycoski, C Zerrweck, D Bedi, D de Marchi, D Faraj, D Foschi, D Goitein, D Hazzan, D Lapatsanis, D Mazza, D Mohammed, D Padilla-Armendariz, D Pennisi, D Pham, D Pournaras, D Swank, D Thakkar, E Baena, E Baili, E Bastos, E Dilektasli, E Hazebroek, E Kaplan, E Lopes, E Manno, E Pinotti, E Sdralis, F Barrera-Rodriguez, F Cantu, F Frattini, F Martini, G Berardi, G Cesana, G Dapri, G Dinescu, G Juglard, G Martinez de Aragon, G Menaldi, G Ören, G Pavone, G Rana, G Vrakopoulou, H Aboshanab, H Al-Momani, H Balamoun, H Çiyiltepe, H de Vasconcelos Cunha, H Elghadban, H Gislason, H Hamed, H Heneghan, H Ibrahim, H Melali, H Reyes, H Sebbag, I Hakami, I Hutopila, J Balibrea, J Bernardo, J Campos, J Chevallier, J Dargent, J Estrada, J Gonzalez, J Hewes, J Himpens, J Mall, J Monterrubio, J Pasquier, K Albanopoulos, K Bartosiak, K Kaseja, K Kumar, K Rheinwalt, K Shah, K. van de Pas, L Angrisani, L Benuzzi, L Chong, L Layani, L Lee, L Level, L Taylor, L Zinai, M Akbaba, M Alejandro, M Altarawni, M Beisani, M Bertrand, M Cantu, M Dincer, M Elbanna, M Elfawal, M Focquet, M Forero, M Hadad, M Hii, M Iovino, M Islam, M Josa, M Kaplan, M Kermansaravi, M Khaitan, M Kizilkaya, M Kotowski, M Montouri, M Musella, M Narwaria, M Navarro, M Niazi, M Özmen, M Qassem, M Romeijn, M Said, M Salman, M Solovyeva, M Takieddine, M Uccelli, M Ustun, M Valeti, M Walędziak, N Arora, N Dukkipati, N Fearon, N Kiran, N Paleari, N Sakran, N Silva, N Tartaglia, O Savas, O Şen, O Viveiros, P Fabbri, P García, P Major, P Martinez, P Martinez Duartez, P Salminen, P Shah, R Gadani, R Gokay, R Gudaityte, R Kassir, R Liem, R Mohan, R Palma, R Quinino, R Ribeiro, R Vilallonga, S Arana-Garza, S Chiappetta, S Davakis, S Ghareeb, S Gregorio, S Khaldi, S Martinez, S Okkema, S Olmi, S Ortiz, S Pinango, S Shah, S Shahabi, S Taha, S Ugale, T Barreiro, T Beck, T Poghosyan, T Samarkandy, T Yigit, V Borrelli, V Bottino, V Marco, V Ormando, V Pol, V Sierra Esteban, V Valentí, W Leclercq, W Souza, W Vening, W Vleeschouwers, Y van der Burgh, Singhal, R., Tahrani, A. A., Ludwig, C., Mahawar, K., Abou-Mrad-Fricquegnon, A., Alasfur, A., Alexandrou, A., Barbosa, A., Bashir, A., Bosco, A., Charalabopoulos, A., Curell, A., Davarpanah Jazi, A., Diego, A., Elghandour, A., Ergin, A., Garcia, A., Ghazal, A., Haddad, A., Ibarzabal, A., Khazraji, A., Lale, A., Lazaro, A., Leyva-Alvizo, A., Liagre, A., Maleckas, A., Osman, A., Pantelis, A., Pazouki, A., Plamper, A., Raziel, A., Rizzi, A., Sanchez, A., Sharma, A., Spaventa, A., Sumer, A., Torres, A., Turkcapar, A., Ugale, A., Velikorechin, A., Vitiello, A., Alkhaffaf, B., Bomans, B., Ammori, B. J., Pares, B., Smeu, B., Zilberstein, B., Boeker, C., Broden, C., Copaescu, C., Guevara, C., Guldogan, C., Kirkil, C., Matthys, C., Nagliati, C., Parmar, C., Trindade, C., Vaz, C., Wietzycoski, C., Zerrweck, C., Bedi, D., de Marchi, D., Faraj, D., Foschi, D., Goitein, D., Hazzan, D., Lapatsanis, D., Mazza, D., Mohammed, D., Padilla-Armendariz, D., Pennisi, D., Pham, D., Pournaras, D., Swank, D., Thakkar, D., Baena, E., Baili, E., Bastos, E., Dilektasli, E., Hazebroek, E., Kaplan, E., Lopes, E., Manno, E., Pinotti, E., Sdralis, E., Barrera-Rodriguez, F., Cantu, F., Frattini, F., Martini, F., Berardi, G., Cesana, G., Dapri, G., Dinescu, G., Juglard, G., Martinez de Aragon, G., Menaldi, G., Oren, G., Pavone, G., Rana, G., Vrakopoulou, G., Aboshanab, H., Al-Momani, H., Balamoun, H., Ciyiltepe, H., de Vasconcelos Cunha, H., Elghadban, H., Gislason, H., Hamed, H., Heneghan, H., Ibrahim, H., Melali, H., Reyes, H., Sebbag, H., Hakami, I., Hutopila, I., Balibrea, J., Bernardo, J., Campos, J., Chevallier, J., Dargent, J., Estrada, J., Gonzalez, J., Hewes, J., Himpens, J., Mall, J., Monterrubio, J., Pasquier, J., Albanopoulos, K., Bartosiak, K., Kaseja, K., Kumar, K., Rheinwalt, K., Shah, K., van de Pas, K., Angrisani, L., Benuzzi, L., Chong, L., Layani, L., Lee, L., Level, L., Taylor, L., Zinai, L., Akbaba, M., Alejandro, M., Altarawni, M., Beisani, M., Bertrand, M., Cantu, M., Dincer, M., Elbanna, M., Elfawal, M., Focquet, M., Forero, M., Hadad, M., Hii, M., Iovino, M., Islam, M., Josa, M., Kaplan, M., Kermansaravi, M., Khaitan, M., Kizilkaya, M., Kotowski, M., Montouri, M., Musella, M., Narwaria, M., Navarro, M., Niazi, M., Ozmen, M., Qassem, M., Romeijn, M., Said, M., Salman, M., Solovyeva, M., Takieddine, M., Uccelli, M., Ustun, M., Valeti, M., Waledziak, M., Arora, N., Dukkipati, N., Fearon, N., Kiran, N., Paleari, N., Sakran, N., Silva, N., Tartaglia, N., Savas, O., Sen, O., Viveiros, O., Fabbri, P., Garcia, P., Major, P., Martinez, P., Martinez Duartez, P., Salminen, P., Shah, P., Gadani, R., Gokay, R., Gudaityte, R., Kassir, R., Liem, R., Mohan, R., Palma, R., Quinino, R., Ribeiro, R., Vilallonga, R., Arana-Garza, S., Chiappetta, S., Davakis, S., Ghareeb, S., Gregorio, S., Khaldi, S., Martinez, S., Okkema, S., Olmi, S., Ortiz, S., Pinango, S., Shah, S., Shahabi, S., Taha, S., Ugale, S., Barreiro, T., Beck, T., Poghosyan, T., Samarkandy, T., Yigit, T., Borrelli, V., Bottino, V., Marco, V., Ormando, V., Pol, V., Sierra Esteban, V., Valenti, V., Leclercq, W., Souza, W., Vening, W., Vleeschouwers, W., and van der Burgh, Y.

Subjects
2019-20 coronavirus outbreak, medicine.medical_specialty, Internationality, Time Factors, Coronavirus disease 2019 (COVID-19), Time Factor, Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), Endocrinology, Diabetes and Metabolism, MEDLINE, Bariatric Surgery, Global Health, Cohort Studies, Endocrinology, Pandemic, Correspondence, medicine, Global health, Internal Medicine, Humans, Mortality, Mortality trends, Pandemics, Manchester Cancer Research Centre, business.industry, ResearchInstitutes_Networks_Beacons/mcrc, COVID-19, Treatment Outcome, Emergency medicine, Cohort Studie, business, Cohort study, Human
Published
2021
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19. Laparoscopic repair of a traumatic diaphragmatic rupture.

Author

Pesch CMW, Janki S, Faraj D, and Hueting WE

Abstract

Introduction and Importance: Traumatic diaphragmatic ruptures following blast injury or penetrating trauma rarely present themselves with chronic symptoms warranting elective surgery., Case Presentation: We present the case of a 49-year-old man who survived a grenade explosion and experienced chronic chest pain. Considering the previous trauma, computed tomography imaging was performed and showed a left-sided traumatic diaphragmatic rupture ventral to the spleen, resulting in herniation of the transverse colon and omentum in the thoracic cavity. Metal shrapnel was located between the stomach and spleen, the suspected cause of the diaphragmatic hernia. The patient was eligible for minimal invasive laparoscopic surgery., Clinical Discussion: During surgery, a left diaphragmatic rupture and metal shrapnel on the right side of the rupture were found. The hernia was reduced and the metal shrapnel was removed, aiding in fully repositioning of the omentum and transversed colon. After which the left lower lung lobe was able to fully inflate. The rupture was closed using single V-lock sutures and strips of the Phasix mesh to reinforce the diaphragm repair with single ethibond sutures. No surgical or post-operative complications were observed and the patient did not experience any of his previous complaints., Conclusion: In this case, laparoscopic repair of diaphragmatic rupture after penetrating trauma can be considered as an effective surgical approach., Competing Interests: Declaration of competing interest C. Pesch: no conflict of interest. S. Janki: no conflict of interest. W. Hueting: no conflict of interest. D. Faraj: no conflict of interest., (Copyright © 2024 The Authors. Published by Elsevier Ltd.. All rights reserved.)

Published
2024
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20. [An abdominal wall bulging: consider a neurological cause].

Author

Biere SSAY, El Aater K, van der Velden E, Tans RJJ, Faraj D, and Biere-Rafi S

Subjects
Humans, Physical Examination adverse effects, Valsalva Maneuver, Abdominal Wall, Hernia, Abdominal etiology
Abstract

A patient with a swelling of the abdominal wall is a regular occurrence in general practice and hospital. The diagnosis can often be made with a thorough history and physical examination. An abdominal wall hernia is characterized by an increase in swelling on standing physical examination and Valsalva maneuver, which is often reducible, and a hernia defect is palpable. If no interruption of the abdominal wall is palpable and there is hypoesthesia, there may be an abdominal wall paresis because of thoracic paramedian hernia nuclei pulposi (HNP). Where an abdominal wall hernia is treated surgically in case of symptoms, this is conservatively treated with an HNP.

Published
2024

21. Evaluating the impact of a child sponsorship programme on paediatric health and development in Calauan, Philippines: A retrospective audit.

Author

Raupach AK, Faraj D, Anning KL, Willcock H, and Hespe C

Subjects
Child, Humans, Philippines, Retrospective Studies, Outcome Assessment, Health Care, Diet, Exercise
Abstract

Aim: International child sponsorship programmes comprise a considerable proportion of global aid accessible to the general population. Team Philippines (TP), a health care and welfare initiative run in association with the University of Notre Dame Sydney since 2013, leads a holistic sponsorship programme for 30 children from Calauan, Philippines. To date, empirical research has not been performed into the overall success and impact of the TP child sponsorship programme. As such, this study aims to evaluate its effectiveness in improving paediatric outcomes., Methods: Study cohorts comprised 30 sponsored and 29 age- and gender-matched non-sponsored children. Data were extracted from the TP Medical Director database and life-style questionnaires for July-November 2019. Outcome measures included anthropometry, markers of medical health, dental health, exercise, and diet. Statistical analyses were performed in SPSS., Results: Sponsorship resulted in fewer medical diagnoses and prescription medications, superior dental health, and improved diet. Further, sponsored children may show a clinically significant trend towards improved physical health. Sponsorship did not affect growth and development metrics, or levels of physical activity., Conclusions: The TP child sponsorship programme significantly impacts positive paediatric health outcomes in the Calauan community. The strength of the programme lies in its holistic, sustainable, and community-based model, which is enabled by effective international child sponsorship. This study further supports the relationship between supporting early livelihood and improved health in the paediatric population., (© 2023 The Authors. Journal of Paediatrics and Child Health published by John Wiley & Sons Australia, Ltd on behalf of Paediatrics and Child Health Division (The Royal Australasian College of Physicians).)

Published
2023
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22. 30-Day Morbidity and Mortality of Bariatric Surgery During the COVID-19 Pandemic: a Multinational Cohort Study of 7704 Patients from 42 Countries.

Author

Singhal R, Ludwig C, Rudge G, Gkoutos GV, Tahrani A, Mahawar K, Pędziwiatr M, Major P, Zarzycki P, Pantelis A, Lapatsanis DP, Stravodimos G, Matthys C, Focquet M, Vleeschouwers W, Spaventa AG, Zerrweck C, Vitiello A, Berardi G, Musella M, Sanchez-Meza A, Cantu FJ Jr, Mora F, Cantu MA, Katakwar A, Reddy DN, Elmaleh H, Hassan M, Elghandour A, Elbanna M, Osman A, Khan A, Layani L, Kiran N, Velikorechin A, Solovyeva M, Melali H, Shahabi S, Agrawal A, Shrivastava A, Sharma A, Narwaria B, Narwaria M, Raziel A, Sakran N, Susmallian S, Karagöz L, Akbaba M, Pişkin SZ, Balta AZ, Senol Z, Manno E, Iovino MG, Osman A, Qassem M, Arana-Garza S, Povoas HP, Vilas-Boas ML, Naumann D, Super J, Li A, Ammori BJ, Balamoun H, Salman M, Nasta AM, Goel R, Sánchez-Aguilar H, Herrera MF, Abou-Mrad A, Cloix L, Mazzini GS, Kristem L, Lazaro A, Campos J, Bernardo J, González J, Trindade C, Viveiros O, Ribeiro R, Goitein D, Hazzan D, Segev L, Beck T, Reyes H, Monterrubio J, García P, Benois M, Kassir R, Contine A, Elshafei M, Aktas S, Weiner S, Heidsieck T, Level L, Pinango S, Ortega PM, Moncada R, Valenti V, Vlahović I, Boras Z, Liagre A, Martini F, Juglard G, Motwani M, Saggu SS, Al Moman H, López LAA, Cortez MAC, Zavala RA, D'Haese C, Kempeneers I, Himpens J, Lazzati A, Paolino L, Bathaei S, Bedirli A, Yavuz A, Büyükkasap Ç, Özaydın S, Kwiatkowski A, Bartosiak K, Walędziak M, Santonicola A, Angrisani L, Iovino P, Palma R, Iossa A, Boru CE, De Angelis F, Silecchia G, Hussain A, Balchandra S, Coltell IB, Pérez JL, Bohra A, Awan AK, Madhok B, Leeder PC, Awad S, Al-Khyatt W, Shoma A, Elghadban H, Ghareeb S, Mathews B, Kurian M, Larentzakis A, Vrakopoulou GZ, Albanopoulos K, Bozdag A, Lale A, Kirkil C, Dincer M, Bashir A, Haddad A, Hijleh LA, Zilberstein B, de Marchi DD, Souza WP, Brodén CM, Gislason H, Shah K, Ambrosi A, Pavone G, Tartaglia N, Kona SLK, Kalyan K, Perez CEG, Botero MAF, Covic A, Timofte D, Maxim M, Faraj D, Tseng L, Liem R, Ören G, Dilektasli E, Yalcin I, AlMukhtar H, Al Hadad M, Mohan R, Arora N, Bedi D, Rives-Lange C, Chevallier JM, Poghosyan T, Sebbag H, Zinaï L, Khaldi S, Mauchien C, Mazza D, Dinescu G, Rea B, Pérez-Galaz F, Zavala L, Besa A, Curell A, Balibrea JM, Vaz C, Galindo L, Silva N, Caballero JLE, Sebastian SO, Marchesini JCD, da Fonseca Pereira RA, Sobottka WH, Fiolo FE, Turchi M, Coelho ACJ, Zacaron AL, Barbosa A, Quinino R, Menaldi G, Paleari N, Martinez-Duartez P, de Aragon Ramírez de Esparza GM, Esteban VS, Torres A, Garcia-Galocha JL, Josa M, Pacheco-Garcia JM, Mayo-Ossorio MA, Chowbey P, Soni V, de Vasconcelos Cunha HA, Castilho MV, Ferreira RMA, Barreiro TA, Charalabopoulos A, Sdralis E, Davakis S, Bomans B, Dapri G, Van Belle K, Takieddine M, Vaneukem P, Karaca ESA, Karaca FC, Sumer A, Peksen C, Savas OA, Chousleb E, Elmokayed F, Fakhereldin I, Aboshanab HM, Swelium T, Gudal A, Gamloo L, Ugale A, Ugale S, Boeker C, Reetz C, Hakami IA, Mall J, Alexandrou A, Baili E, Bodnar Z, Maleckas A, Gudaityte R, Guldogan CE, Gundogdu E, Ozmen MM, Thakkar D, Dukkipati N, Shah PS, Shah SS, Shah SS, Adil MT, Jambulingam P, Mamidanna R, Whitelaw D, Adil MT, Jain V, Veetil DK, Wadhawan R, Torres A, Torres M, Tinoco T, Leclercq W, Romeijn M, van de Pas K, Alkhazraji AK, Taha SA, Ustun M, Yigit T, Inam A, Burhanulhaq M, Pazouki A, Eghbali F, Kermansaravi M, Jazi AHD, Mahmoudieh M, Mogharehabed N, Tsiotos G, Stamou K, Barrera Rodriguez FJ, Rojas Navarro MA, Torres OM, Martinez SL, Tamez ERM, Millan Cornejo GA, Flores JEG, Mohammed DA, Elfawal MH, Shabbir A, Guowei K, So JB, Kaplan ET, Kaplan M, Kaplan T, Pham D, Rana G, Kappus M, Gadani R, Kahitan M, Pokharel K, Osborne A, Pournaras D, Hewes J, Napolitano E, Chiappetta S, Bottino V, Dorado E, Schoettler A, Gaertner D, Fedtke K, Aguilar-Espinosa F, Aceves-Lozano S, Balani A, Nagliati C, Pennisi D, Rizzi A, Frattini F, Foschi D, Benuzzi L, Parikh C, Shah H, Pinotti E, Montuori M, Borrelli V, Dargent J, Copaescu CA, Hutopila I, Smeu B, Witteman B, Hazebroek E, Deden L, Heusschen L, Okkema S, Aufenacker T, den Hengst W, Vening W, van der Burgh Y, Ghazal A, Ibrahim H, Niazi M, Alkhaffaf B, Altarawni M, Cesana GC, Anselmino M, Uccelli M, Olmi S, Stier C, Akmanlar T, Sonnenberg T, Schieferbein U, Marcolini A, Awruch D, Vicentin M, de Souza Bastos EL, Gregorio SA, Ahuja A, Mittal T, Bolckmans R, Wiggins T, Baratte C, Wisnewsky JA, Genser L, Chong L, Taylor L, Ward S, Chong L, Taylor L, Hi MW, Heneghan H, Fearon N, Plamper A, Rheinwalt K, Heneghan H, Geoghegan J, Ng KC, Fearon N, Kaseja K, Kotowski M, Samarkandy TA, Leyva-Alvizo A, Corzo-Culebro L, Wang C, Yang W, Dong Z, Riera M, Jain R, Hamed H, Said M, Zarzar K, Garcia M, Türkçapar AG, Şen O, Baldini E, Conti L, Wietzycoski C, Lopes E, Pintar T, Salobir J, Aydin C, Atici SD, Ergin A, Ciyiltepe H, Bozkurt MA, Kizilkaya MC, Onalan NBD, Zuber MNBA, Wong WJ, Garcia A, Vidal L, Beisani M, Pasquier J, Vilallonga R, Sharma S, Parmar C, Lee L, Sufi P, Sinan H, and Saydam M

Subjects
COVID-19 Testing, Cohort Studies, Humans, Incidence, Pandemics, Postoperative Complications epidemiology, SARS-CoV-2, Bariatric Surgery, COVID-19, Diabetes Mellitus, Type 2, Obesity, Morbid surgery
Abstract

Background: There are data on the safety of cancer surgery and the efficacy of preventive strategies on the prevention of postoperative symptomatic COVID-19 in these patients. But there is little such data for any elective surgery. The main objectives of this study were to examine the safety of bariatric surgery (BS) during the coronavirus disease 2019 (COVID-19) pandemic and to determine the efficacy of perioperative COVID-19 protective strategies on postoperative symptomatic COVID-19 rates., Methods: We conducted an international cohort study to determine all-cause and COVID-19-specific 30-day morbidity and mortality of BS performed between 01/05/2020 and 31/10/2020., Results: Four hundred ninety-nine surgeons from 185 centres in 42 countries provided data on 7704 patients. Elective primary BS (n = 7084) was associated with a 30-day morbidity of 6.76% (n = 479) and a 30-day mortality of 0.14% (n = 10). Emergency BS, revisional BS, insulin-treated type 2 diabetes, and untreated obstructive sleep apnoea were associated with increased complications on multivariable analysis. Forty-three patients developed symptomatic COVID-19 postoperatively, with a higher risk in non-whites. Preoperative self-isolation, preoperative testing for SARS-CoV-2, and surgery in institutions not concurrently treating COVID-19 patients did not reduce the incidence of postoperative COVID-19. Postoperative symptomatic COVID-19 was more likely if the surgery was performed during a COVID-19 peak in that country., Conclusions: BS can be performed safely during the COVID-19 pandemic with appropriate perioperative protocols. There was no relationship between preoperative testing for COVID-19 and self-isolation with symptomatic postoperative COVID-19. The risk of postoperative COVID-19 risk was greater in non-whites or if BS was performed during a local peak., (© 2021. The Author(s).)

Published
2021
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23. A case of acute mesentero-axial gastric volvulus in a patient with a diaphragmatic hernia: experience with a laparoscopic approach.

Author

Al-Faraj D, Al-Haddad M, Al-Hadeedi O, and Al-Subaie S

Abstract

Gastric volvulus is an uncommon but serious surgical condition mandating an early diagnosis and surgical intervention. It may present either acutely or chronically with epigastric pain, retching and vomiting. There are two types of gastric volvulus: organo-axial and mesentero-axial. We report a case of a mesentero-axial gastric volvulus in a 49-year-old woman with a left-sided diaphragmatic hernia. She presented with a significant epigastric pain and vomiting. A flexible upper endoscopy, a barium meal and a contrast-enhanced computed tomography imaging had confirmed the diagnosis. She was treated with a laparoscopic mesh repair of the diaphragmatic defect followed by a gastropexy. She had an uneventful postoperative course and was asymptomatic thereafter., (Published by Oxford University Press and JSCR Publishing Ltd. All rights reserved. © The Author 2015.)

Published
2015
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24. Lower atovaquone/proguanil concentrations in patients taking efavirenz, lopinavir/ritonavir or atazanavir/ritonavir.

Author

van Luin M, Van der Ende ME, Richter C, Visser M, Faraj D, Van der Ven A, Gelinck L, Kroon F, Wit FW, Van Schaik RH, Kuks PF, and Burger DM

Subjects
Adolescent, Adult, Aged, Alkynes, Atazanavir Sulfate, Benzoxazines administration & dosage, Benzoxazines pharmacokinetics, Cyclopropanes, Drug Administration Schedule, Female, HIV Protease Inhibitors, Humans, Lopinavir, Male, Middle Aged, Oligopeptides administration & dosage, Oligopeptides pharmacokinetics, Pyridines administration & dosage, Pyridines pharmacokinetics, Pyrimidinones administration & dosage, Pyrimidinones pharmacokinetics, Ritonavir administration & dosage, Ritonavir pharmacokinetics, Young Adult, Atovaquone blood, HIV Infections drug therapy, HIV-1, Proguanil blood
Abstract

HIV-infected travellers frequently use atovaquone/proguanil as malaria prophylaxis. We compared atovaquone/proguanil pharmacokinetics between healthy volunteers and HIV-infected patients taking efavirenz, lopinavir/ritonavir or atazanavir/ritonavir. The geometric mean ratio (95% confidence interval) area under the curve (AUC)0-->t for atovaquone relative to the healthy volunteers was 0.25 (0.16-0.38), 0.26 (0.17-0.41) and 0.54 (0.35-0.83) for patients on efavirenz, lopinavir/ritonavir and atazanavir/ritonavir, respectively. Proguanil plasma concentrations were also significantly lower (38-43%). Physicians should be alert for atovaquone/proguanil prophylaxis failures in patients taking efavirenz, lopinavir/ritonavir or atazanavir/ritonavir.

Published
2010
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