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229 results on '"Ferencz, Andrea"'

2. Deep Learning-Derived Myocardial Strain

Author

Kwan, Alan C., Chang, Ernest W., Jain, Ishan, Theurer, John, Tang, Xiu, Francisco, Nadia, Haddad, Francois, Liang, David, Fábián, Alexandra, Ferencz, Andrea, Yuan, Neal, Merkely, Béla, Siegel, Robert, Cheng, Susan, Kovács, Attila, Tokodi, Márton, and Ouyang, David

Published
2024
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12. Validation of a novel, low-fidelity virtual reality simulator and an artificial intelligence assessment approach for peg transfer laparoscopic training.

Author

Bogar, Peter Zoltan, Virag, Mark, Bene, Matyas, Hardi, Peter, Matuz, Andras, Schlegl, Adam Tibor, Toth, Luca, Molnar, Ferenc, Nagy, Balint, Rendeki, Szilard, Berner-Juhos, Krisztina, Ferencz, Andrea, Fischer, Krisztina, and Maroti, Peter

Subjects
ARTIFICIAL intelligence, VIRTUAL reality, TRANSFER of training, MEDICAL students, LAPAROSCOPIC surgery, FLIGHT simulators
Abstract

Simulators are widely used in medical education, but objective and automatic assessment is not feasible with low-fidelity simulators, which can be solved with artificial intelligence (AI) and virtual reality (VR) solutions. The effectiveness of a custom-made VR simulator and an AI-based evaluator of a laparoscopic peg transfer exercise was investigated. Sixty medical students were involved in a single-blinded randomised controlled study to compare the VR simulator with the traditional box trainer. A total of 240 peg transfer exercises from the Fundamentals of Laparoscopic Surgery programme were analysed. The experts and AI-based software used the same criteria for evaluation. The algorithm detected pitfalls and measured exercise duration. Skill improvement showed no significant difference between the VR and control groups. The AI-based evaluator exhibited 95% agreement with the manual assessment. The average difference between the exercise durations measured by the two evaluation methods was 2.61 s. The duration of the algorithmic assessment was 59.47 s faster than the manual assessment. The VR simulator was an effective alternative practice compared with the training box simulator. The AI-based evaluation produced similar results compared with the manual assessment, and it could significantly reduce the evaluation time. AI and VR could improve the effectiveness of basic laparoscopic training. [ABSTRACT FROM AUTHOR]

Published
2024
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17. BEYOND LONGITUDINAL STRAIN: THE PROGNOSTIC SIGNIFICANCE OF BIVENTRICULAR CIRCUMFERENTIAL MECHANICS

Author

Fabian, Alexandra, primary, Tolvaj, Máté, additional, Lakatos, Bálint Károly, additional, Assabiny, Alexandra, additional, Adrienn, Ujvári, additional, Ferencz, Andrea, additional, Shiida, Kai, additional, Schwertner, Walter Richard, additional, Veres, Boglárka, additional, Kosztin, Annamaria, additional, Staub, Levente, additional, Sax, Balázs, additional, Merkely, Bela, additional, and Kovács, Attila, additional

Published
2023
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18. There is more than just longitudinal strain: Prognostic significance of biventricular circumferential mechanics

Author

Tolvaj, Máté, primary, Fábián, Alexandra, additional, Tokodi, Márton, additional, Lakatos, Bálint, additional, Assabiny, Alexandra, additional, Ladányi, Zsuzsanna, additional, Shiida, Kai, additional, Ferencz, Andrea, additional, Schwertner, Walter, additional, Veres, Boglárka, additional, Kosztin, Annamária, additional, Szijártó, Ádám, additional, Sax, Balázs, additional, Merkely, Béla, additional, and Kovács, Attila, additional

Published
2023
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21. Long-term prognostic value of left atrial longitudinal strain in an elderly community-based cohort

Author

Zhubi Bakija, Fjolla, primary, Bagyura, Zsolt, additional, Fábián, Alexandra, additional, Ferencz, Andrea, additional, Kiss, Loretta, additional, Szenczi, Orsolya, additional, Vadas, Réka, additional, Dósa, Edit, additional, Nguyen, Dat Tin, additional, Csobay-Novák, Csaba, additional, Jermendy, Ádám L., additional, Szelid, Zsolt, additional, Soós, Pál, additional, Kovács, Attila, additional, and Merkely, Béla, additional

Published
2022
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27. An Implantable Magneto-Responsive Poly(aspartamide) Based Electrospun Scaffold for Hyperthermia Treatment

Author

Veres, Tamás, Voniatis, Constantinos, Molnár, Kristóf, Nesztor, Dániel, Fehér, Daniella, Ferencz, Andrea, Gresits, Iván, Thuróczy, György, Márkus, Bence Gábor, Simon, Ferenc, Nemes, Norbert Marcel, García Hernández, María, Reiniger, Lilla, Horváth, Ildikó, Máthé, Domokos, Szigeti, Krisztián, Tombácz, Etelka, Jedlovszky Hajdu, Angela, Veres, Tamás, Voniatis, Constantinos, Molnár, Kristóf, Nesztor, Dániel, Fehér, Daniella, Ferencz, Andrea, Gresits, Iván, Thuróczy, György, Márkus, Bence Gábor, Simon, Ferenc, Nemes, Norbert Marcel, García Hernández, María, Reiniger, Lilla, Horváth, Ildikó, Máthé, Domokos, Szigeti, Krisztián, Tombácz, Etelka, and Jedlovszky Hajdu, Angela

Abstract

When exposed to an alternating magnetic field, superparamagnetic nanoparticles can elicit the required hyperthermic effect while also being excellent magnetic resonance imaging (MRI) contrast agents. Their main drawback is that they diffuse out of the area of interest in one or two days, thus preventing a continuous application during the typical several-cycle multi-week treatment. To solve this issue, our aim was to synthesise an implantable, biodegradable membrane infused with magnetite that enabled long-term treatment while having adequate MRI contrast and hyperthermic capabilities. To immobilise the nanoparticles inside the scaffold, they were synthesised inside hydrogel fibres. First, polysuccinimide (PSI) fibres were produced by electrospinning and crosslinked, and then, magnetitc iron oxide nanoparticles (MIONs) were synthesised inside and in-between the fibres of the hydrogel membranes with the well-known co-precipitation method. The attenuated total reflectance Fourier-transform infrared spectroscopy (ATR-FTIR) investigation proved the success of the chemical synthesis and the presence of iron oxide, and the superconducting quantum interference device (SQUID) study revealed their superparamagnetic property. The magnetic hyperthermia efficiency of the samples was significant. The given alternating current (AC) magnetic field could induce a temperature rise of 5 °C (from 37 °C to 42 °C) in less than 2 min even for five quick heat-cool cycles or for five consecutive days without considerable heat generation loss in the samples. Short-term (1 day and 7 day) biocompatibility, biodegradability and MRI contrast capability were investigated in vivo on Wistar rats. The results showed excellent MRI contrast and minimal acute inflammation., Unión Europea. Horizonte 2020, Hungarian National Research, Development and Innovation Office, National Research, Development and Innovation Office, JHA/Ministry for Innovation and Technology, Depto. de Física de Materiales, Fac. de Ciencias Físicas, TRUE, pub

Published
2022

29. Mice deficient in pituitary adenylate cyclase activating polypeptide (PACAP) show increased susceptibility to in vivo renal ischemia/reperfusion injury

Author

Szakaly, Peter, Laszlo, Eszter, Kovacs, Krisztina, Racz, Boglarka, Horvath, Gabriella, Ferencz, Andrea, Lubics, Andrea, Kiss, Peter, Tamas, Andrea, Brubel, Reka, Opper, Balazs, Baba, Akemichi, Hashimoto, Hitoshi, Farkas, Jozsef, Matkovits, Attila, Magyarlaki, Tamas, Helyes, Zsuzsanna, and Reglodi, Dora

Published
2011
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31. An Implantable Magneto-Responsive Poly(aspartamide) Based Electrospun Scaffold for Hyperthermia Treatment

Author

Veres, Tamás, primary, Voniatis, Constantinos, additional, Molnár, Kristóf, additional, Nesztor, Dániel, additional, Fehér, Daniella, additional, Ferencz, Andrea, additional, Gresits, Iván, additional, Thuróczy, György, additional, Márkus, Bence Gábor, additional, Simon, Ferenc, additional, Nemes, Norbert Marcell, additional, García-Hernández, Mar, additional, Reiniger, Lilla, additional, Horváth, Ildikó, additional, Máthé, Domokos, additional, Szigeti, Krisztián, additional, Tombácz, Etelka, additional, and Jedlovszky-Hajdu, Angela, additional

Published
2022
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35. What Is Next in Computer-Assisted Spine Surgery? Advances in Image-Guided Robotics and Extended Reality.

Author

Móga, Kristóf, Ferencz, Andrea, and Haidegger, Tamás

Subjects
SPINAL surgery, COMPUTER-assisted surgery, SURGICAL robots, ROBOTICS, HEAD-mounted displays
Abstract

Background: This article provides a scoping review on the current status of Image-Guided Navigation with various forms of digital technologies, including Extended Reality, Augmented Reality Head-Mounted Displays (AR–HMDs) and Robot-Assisted Surgery (RAS) for Pedicle Screw Placement in orthopedics and spine surgery. Methods: A scoping literature review was performed in the PubMed, Scopus, Embase, Web of Science, Google Scholar and IEEE Xplore databases to collect clinical and user satisfaction data on AR–HMDs and compare those with RAS outcomes. In vivo patient, cadaver and phantom trial accuracy data reports were identified and grouped through the analysis. Over the past two years, 14 publications were retrieved and analyzed. Pedicle screw placement accuracy was described with Linear Tip Error (LTE), Angular Trajectory Error (ATE) and Gertzbein–Robbins Scale (GRS) outcomes. Results: The Pedicle Screw Placement accuracy was seen to increase in the in vivo, cadaver and phantom model groups using AR-HMD compared to the Free-Hand insertion technique. User experience and satisfaction data were limited; however, a clear advantage for the operative results was described when it was added. RAS screwing showed similar accuracy outcomes. The need for benchmarking and quantified situation awareness for AR–HMDs is recognizable. The authors present a method for standardized scoring and visualization of surgical navigation technologies, based on measurements of the surgeon (as the end-users) user satisfaction, clinical accuracy and operation time. Conclusions: computer-technology driven support for spine surgery is well-established and efficient for certain procedures. As a more affordable option next to RAS, AR–HMD navigation has reached technological readiness for surgical use. Ergonomics and usability improvements are needed to match the potential of RAS/XR in human surgeries. [ABSTRACT FROM AUTHOR]

Published
2023
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36. Case 10. Time pressure

Author

Rubio, Ángel R., Mediero, Enrique, Rubiales, Carlos, Juhos, Krisztina, and Ferencz, Andrea

Abstract

Case 10 in Part 2 of the Handbook of soft skills training using virtual reality and serious games for surgical teams in the operating room, Project reference number: 2018-1-ES01-KA202-050943 This project has been funded with support from the European Commission. This publication reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.

Published
2021
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37. Decision making

Author

Juhos, Krisztina, Wéber, György, and Ferencz, Andrea

Subjects
ComputingMilieux_THECOMPUTINGPROFESSION, ComputingMilieux_PERSONALCOMPUTING, GeneralLiterature_MISCELLANEOUS
Abstract

Part 1 - Chapter 6 of the Handbook of soft skills training using virtual reality and serious games for surgical teams in the operating room, Project reference number: 2018-1-ES01-KA202-050943 This project has been funded with support from the European Commission. This publication reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.

Published
2021
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38. Case 2. Sudden bleeding

Author

Juhos, Krisztina, Wéber, György, and Ferencz, Andrea

Abstract

Case 2 in Part 2 of the Handbook of soft skills training using virtual reality and serious games for surgical teams in the operating room, Project reference number: 2018-1-ES01-KA202-050943 This project has been funded with support from the European Commission. This publication reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.

Published
2021
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39. Case 6. Missing instrument

Author

Ferencz, Andrea and Juhos, Krisztina

Abstract

Case 6 in Part 2 of the Handbook of soft skills training using virtual reality and serious games for surgical teams in the operating room, Project reference number: 2018-1-ES01-KA202-050943 This project has been funded with support from the European Commission. This publication reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.

Published
2021
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40. The surgical team

Author

Wéber, György, Juhos, Krisztina, and Ferencz, Andrea

Subjects
ComputingMilieux_THECOMPUTINGPROFESSION, ComputingMilieux_PERSONALCOMPUTING, GeneralLiterature_MISCELLANEOUS
Abstract

Part 1 - Chapter 1 of the Handbook of soft skills training using virtual reality and serious games for surgical teams in the operating room, Project reference number: 2018-1-ES01-KA202-050943 This project has been funded with support from the European Commission. This publication reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.

Published
2021
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42. Szeretettel köszöntjük dr. Sándor József professzor urat 80. születésnapja alkalmából. Tudós professzort, barátot köszöntünk: George Berci (Bérczi György) százéves!

Author

Sándor, József, primary, Wéber, György, additional, Szabó, Györgyi, additional, Gamal E., Mohamed, additional, Vörös, Attila, additional, Csukás, Domokos, additional, Juhos, Krisztina, additional, Fehér, Daniella, additional, Bocskai, Krisztián, additional, and Ferencz, Andrea, additional

Published
2021
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44. Peritoneum, a multifunkcionális hártya

Author

Ferencz, Andrea, primary, Farahnak, Khashayar, additional, Bocskai, Krisztián, additional, Juhos, Krisztina, additional, Fehér, Daniella, additional, Csukás, Domokos, additional, Blázovics, Anna, additional, Szabó, Györgyi, additional, and Sándor, József, additional

Published
2021
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