keyword
https://read.qxmd.com/read/38160107/effect-of-feedback-modality-on-simulated-surgical-skills-learning-using-automated-educational-systems-a-four-arm-randomized-control-trial
#1
JOURNAL ARTICLE
Recai Yilmaz, Ali M Fazlollahi, Alexander Winkler-Schwartz, Anna Wang, Hafila Hassan Makhani, Ahmad Alsayegh, Mohamad Bakhaidar, Dan Huy Tran, Carlo Santaguida, Rolando F Del Maestro
OBJECTIVE: To explore optimal feedback methodologies to enhance trainee skill acquisition in simulated surgical bimanual skills learning during brain tumor resections. HYPOTHESES: (1) Providing feedback results in better learning outcomes in teaching surgical technical skill when compared to practice alone with no tailored performance feedback. (2) Providing more visual and visuospatial feedback results in better learning outcomes when compared to providing numerical feedback...
December 29, 2023: Journal of Surgical Education
https://read.qxmd.com/read/37725373/ai-in-surgical-curriculum-design-and-unintended-outcomes-for-technical-competencies-in-simulation-training
#2
RANDOMIZED CONTROLLED TRIAL
Ali M Fazlollahi, Recai Yilmaz, Alexander Winkler-Schwartz, Nykan Mirchi, Nicole Ledwos, Mohamad Bakhaidar, Ahmad Alsayegh, Rolando F Del Maestro
IMPORTANCE: To better elucidate the role of artificial intelligence (AI) in surgical skills training requires investigations in the potential existence of a hidden curriculum. OBJECTIVE: To assess the pedagogical value of AI-selected technical competencies and their extended effects in surgical simulation training. DESIGN, SETTING, AND PARTICIPANTS: This cohort study was a follow-up of a randomized clinical trial conducted at the Neurosurgical Simulation and Artificial Intelligence Learning Centre at the Montreal Neurological Institute, McGill University, Montreal, Canada...
September 5, 2023: JAMA Network Open
https://read.qxmd.com/read/37527687/when-words-leap-off-the-page-conversational-manuscripts-as-a-novel-interface-for-scientific-publishing
#3
JOURNAL ARTICLE
Alexander Winkler-Schwartz
No abstract text is available yet for this article.
August 1, 2023: Journal of Neurosurgery
https://read.qxmd.com/read/37441799/performance-in-a-simulated-virtual-reality-anterior-cervical-discectomy-and-fusion-task-disc-residual-rate-of-removal-and-efficiency-analyses
#4
JOURNAL ARTICLE
Mohamad Bakhaidar, Ahmad Alsayegh, Recai Yilmaz, Ali M Fazlollahi, Nicole Ledwos, Nykan Mirchi, Alexander Winkler-Schwartz, Lucy Luo, Rolando F Del Maestro
BACKGROUND AND OBJECTIVES: Anterior cervical discectomy and fusion (ACDF) is among the most common spine procedures. The Sim-Ortho virtual reality simulator platform contains a validated ACDF simulated task for performance assessment. This study aims to develop a methodology to extract three-dimensional data and reconstruct and quantitate specific simulated disc tissues to generate novel metrics to analyze performance metrics of skilled and less skilled participants. METHODS: We used open-source platforms to develop a methodology to extract three-dimensional information from ACDF simulation data...
July 13, 2023: Operative Neurosurgery (Hagerstown, Md.)
https://read.qxmd.com/read/37256439/occipital-artery-to-pica-bypass-how-i-do-it
#5
JOURNAL ARTICLE
Cameron A Rawanduzy, Alexander Winkler-Schwartz, Karol P Budohoski, William T Couldwell
BACKGROUND: Posterior inferior cerebellar artery (PICA) aneurysms are uncommon, and their management is challenging because of the complex angioarchitecture of the PICA and the frequently nonsaccular aneurysm presentation. Endovascular therapy may not be feasible. METHODS: We describe our technique of clip trapping with occipital artery (OA)-to-PICA bypass to treat a PICA aneurysm. Because the aneurysm affected the ipsilateral, dominant PICA, an OA-PICA bypass was chosen to ensure adequate flow and reduce risk to the contralateral PICA supply...
May 31, 2023: Acta Neurochirurgica
https://read.qxmd.com/read/37210130/spheno-orbital-meningiomas
#6
REVIEW
Cameron A Rawanduzy, Karol P Budohoski, Robert C Rennert, Alexander Winkler-Schwartz, William T Couldwell
Meningiomas are the most common intracranial brain tumor. Spheno-orbital meningiomas are a rare subtype that originate at the sphenoid wing and characteristically extend to the orbit and surrounding neurovascular structures via bony hyperostosis and soft tissue invasion. This review summarizes early characterizations of spheno-orbital meningiomas, presently understood tumor characteristics, and current management strategies.
July 2023: Neurosurgery Clinics of North America
https://read.qxmd.com/read/36982990/hypophysitis-defining-histopathologic-variants-and-a-review-of-emerging-clinical-causative-entities
#7
REVIEW
Cameron A Rawanduzy, Alexander Winkler-Schwartz, William T Couldwell
Inflammatory disease of the pituitary gland is known as hypophysitis. There are multiple histological subtypes, the most common being lymphocytic, and the pathogenesis is variable and diverse. Hypophysitis can be primary and idiopathic or autoimmune related, or secondary to local lesions, systemic disease, medications, and more. Although hypophysitis was previously accepted as an exceedingly rare diagnosis, a greater understanding of the disease process and new insights into possible etiologic sources have contributed to an increased frequency of recognition...
March 21, 2023: International Journal of Molecular Sciences
https://read.qxmd.com/read/36502696/utilizing-artificial-intelligence-and-electroencephalography-to-assess-expertise-on-a-simulated-neurosurgical-task
#8
JOURNAL ARTICLE
Sharif Natheir, Sommer Christie, Recai Yilmaz, Alexander Winkler-Schwartz, Khalid Bajunaid, Abdulrahman J Sabbagh, Penny Werthner, Jawad Fares, Hamed Azarnoush, Rolando Del Maestro
Virtual reality surgical simulators have facilitated surgical education by providing a safe training environment. Electroencephalography (EEG) has been employed to assess neuroelectric activity during surgical performance. Machine learning (ML) has been applied to analyze EEG data split into frequency bands. Although EEG is widely used in fields requiring expert performance, it has yet been used to classify surgical expertise. Thus, the goals of this study were to (a) develop an ML model to accurately differentiate skilled and less-skilled performance using EEG data recorded during a simulated surgery, (b) explore the relative importance of each EEG bandwidth to expertise, and (c) analyze differences in EEG band powers between skilled and less-skilled individuals...
November 15, 2022: Computers in Biology and Medicine
https://read.qxmd.com/read/36038199/structural-brain-correlates-of-childhood-inhibited-temperament-an-enigma-anxiety-mega-analysis
#9
JOURNAL ARTICLE
Janna Marie Bas-Hoogendam, Rachel Bernstein, Brenda E Benson, Kristin A Buss, Kelley E Gunther, Koraly Pérez-Edgar, Giovanni A Salum, Andrea P Jackowski, Rodrigo A Bressan, André Zugman, Kathryn A Degnan, Courtney A Filippi, Nathan A Fox, Heather A Henderson, Alva Tang, Selin Zeytinoglu, Anita Harrewijn, Manon H J Hillegers, Tonya White, Marinus H van IJzendoorn, Carl E Schwartz, Julia M Felicione, Kathryn A DeYoung, Alexander J Shackman, Jason F Smith, Rachael M Tillman, Yvonne H M van den Berg, Antonius H N Cillessen, Karin Roelofs, Anna Tyborowska, Shirley Y Hill, Marco Battaglia, Marco Tettamanti, Lea R Dougherty, Jingwen Jin, Daniel N Klein, Hoi-Chung Leung, Suzanne N Avery, Jennifer Urbano Blackford, Jacqueline A Clauss, Elizabeth P Hayden, Pan Liu, Matthew R J Vandermeer, H Hill Goldsmith, Elizabeth M Planalp, Thomas E Nichols, Paul M Thompson, P Michiel Westenberg, Nic J A van der Wee, Nynke A Groenewold, Dan J Stein, Anderson M Winkler, Daniel S Pine
Temperament involves stable behavioral and emotional tendencies that differ between individuals, which can be first observed in infancy or early childhood and relate to behavior in many contexts and over many years.1 One of the most rigorously characterized temperament classifications relates to the tendency of individuals to avoid the unfamiliar and to withdraw from unfamiliar people, objects, and unexpected events. This temperament is referred to as behavioral inhibition or inhibited temperament (IT).2 IT is a moderately heritable trait1 that can be measured in multiple species...
September 2022: Journal of the American Academy of Child and Adolescent Psychiatry
https://read.qxmd.com/read/35726927/artificial-neural-network-approach-to-competency-based-training-using-a-virtual-reality-neurosurgical-simulation
#10
JOURNAL ARTICLE
Aiden Reich, Nykan Mirchi, Recai Yilmaz, Nicole Ledwos, Vincent Bissonnette, Dan Huy Tran, Alexander Winkler-Schwartz, Bekir Karlik, Rolando F Del Maestro
BACKGROUND: The methodology of assessment and training of surgical skills is evolving to deal with the emergence of competency-based training. Artificial neural networks (ANNs), a branch of artificial intelligence, can use newly generated metrics not only for assessment performance but also to quantitate individual metric importance and provide new insights into surgical expertise. OBJECTIVE: To outline the educational utility of using an ANN in the assessment and quantitation of surgical expertise...
July 1, 2022: Operative Neurosurgery (Hagerstown, Md.)
https://read.qxmd.com/read/35726926/nondominant-hand-skills-spatial-and-psychomotor-analysis-during-a-complex-virtual-reality-neurosurgical-task-a-case-series-study
#11
JOURNAL ARTICLE
Recai Yilmaz, Nicole Ledwos, Robin Sawaya, Alexander Winkler-Schwartz, Nykan Mirchi, Vincent Bissonnette, Ali M Fazlollahi, Mohamad Bakhaidar, Ahmad Alsayegh, Abdulrahman J Sabbagh, Khalid Bajunaid, Rolando Del Maestro
BACKGROUND: Virtual reality surgical simulators provide detailed psychomotor performance data, allowing qualitative and quantitative assessment of hand function. The nondominant hand plays an essential role in neurosurgery in exposing the operative area, assisting the dominant hand to optimize task execution, and hemostasis. Outlining expert-level nondominant hand skills may be critical to understand surgical expertise and aid learner training. OBJECTIVE: To (1) provide validity for the simulated bimanual subpial tumor resection task and (2) to use this simulation in qualitative and quantitative evaluation of nondominant hand skills for bipolar forceps utilization...
July 1, 2022: Operative Neurosurgery (Hagerstown, Md.)
https://read.qxmd.com/read/35473961/continuous-monitoring-of-surgical-bimanual-expertise-using-deep-neural-networks-in-virtual-reality-simulation
#12
JOURNAL ARTICLE
Recai Yilmaz, Alexander Winkler-Schwartz, Nykan Mirchi, Aiden Reich, Sommer Christie, Dan Huy Tran, Nicole Ledwos, Ali M Fazlollahi, Carlo Santaguida, Abdulrahman J Sabbagh, Khalid Bajunaid, Rolando Del Maestro
In procedural-based medicine, the technical ability can be a critical determinant of patient outcomes. Psychomotor performance occurs in real-time, hence a continuous assessment is necessary to provide action-oriented feedback and error avoidance guidance. We outline a deep learning application, the Intelligent Continuous Expertise Monitoring System (ICEMS), to assess surgical bimanual performance at 0.2-s intervals. A long-short term memory network was built using neurosurgeon and student performance in 156 virtually simulated tumor resection tasks...
April 26, 2022: NPJ Digital Medicine
https://read.qxmd.com/read/35120309/assessment-of-learning-curves-on-a-simulated-neurosurgical-task-using-metrics-selected-by-artificial-intelligence
#13
JOURNAL ARTICLE
Nicole Ledwos, Nykan Mirchi, Recai Yilmaz, Alexander Winkler-Schwartz, Anika Sawni, Ali M Fazlollahi, Vincent Bissonnette, Khalid Bajunaid, Abdulrahman J Sabbagh, Rolando F Del Maestro
OBJECTIVE: Understanding the variation of learning curves of experts and trainees for a given surgical procedure is important in implementing formative learning paradigms to accelerate mastery. The study objectives were to use artificial intelligence (AI)-derived metrics to determine the learning curves of participants in 4 groups with different expertise levels who performed a series of identical virtual reality (VR) subpial resection tasks and to identify learning curve differences among the 4 groups...
February 4, 2022: Journal of Neurosurgery
https://read.qxmd.com/read/34967074/global-maps-of-soil-temperature
#14
JOURNAL ARTICLE
Jonas J Lembrechts, Johan van den Hoogen, Juha Aalto, Michael B Ashcroft, Pieter De Frenne, Julia Kemppinen, Martin Kopecký, Miska Luoto, Ilya M D Maclean, Thomas W Crowther, Joseph J Bailey, Stef Haesen, David H Klinges, Pekka Niittynen, Brett R Scheffers, Koenraad Van Meerbeek, Peter Aartsma, Otar Abdalaze, Mehdi Abedi, Rien Aerts, Negar Ahmadian, Antje Ahrends, Juha M Alatalo, Jake M Alexander, Camille Nina Allonsius, Jan Altman, Christof Ammann, Christian Andres, Christopher Andrews, Jonas Ardö, Nicola Arriga, Alberto Arzac, Valeria Aschero, Rafael L Assis, Jakob Johann Assmann, Maaike Y Bader, Khadijeh Bahalkeh, Peter Barančok, Isabel C Barrio, Agustina Barros, Matti Barthel, Edmund W Basham, Marijn Bauters, Manuele Bazzichetto, Luca Belelli Marchesini, Michael C Bell, Juan C Benavides, José Luis Benito Alonso, Bernd J Berauer, Jarle W Bjerke, Robert G Björk, Mats P Björkman, Katrin Björnsdóttir, Benjamin Blonder, Pascal Boeckx, Julia Boike, Stef Bokhorst, Bárbara N S Brum, Josef Brůna, Nina Buchmann, Pauline Buysse, José Luís Camargo, Otávio C Campoe, Onur Candan, Rafaella Canessa, Nicoletta Cannone, Michele Carbognani, Jofre Carnicer, Angélica Casanova-Katny, Simone Cesarz, Bogdan Chojnicki, Philippe Choler, Steven L Chown, Edgar F Cifuentes, Marek Čiliak, Tamara Contador, Peter Convey, Elisabeth J Cooper, Edoardo Cremonese, Salvatore R Curasi, Robin Curtis, Maurizio Cutini, C Johan Dahlberg, Gergana N Daskalova, Miguel Angel de Pablo, Stefano Della Chiesa, Jürgen Dengler, Bart Deronde, Patrice Descombes, Valter Di Cecco, Michele Di Musciano, Jan Dick, Romina D Dimarco, Jiri Dolezal, Ellen Dorrepaal, Jiří Dušek, Nico Eisenhauer, Lars Eklundh, Todd E Erickson, Brigitta Erschbamer, Werner Eugster, Robert M Ewers, Dan A Exton, Nicolas Fanin, Fatih Fazlioglu, Iris Feigenwinter, Giuseppe Fenu, Olga Ferlian, M Rosa Fernández Calzado, Eduardo Fernández-Pascual, Manfred Finckh, Rebecca Finger Higgens, T'ai G W Forte, Erika C Freeman, Esther R Frei, Eduardo Fuentes-Lillo, Rafael A García, María B García, Charly Géron, Mana Gharun, Dany Ghosn, Khatuna Gigauri, Anne Gobin, Ignacio Goded, Mathias Goeckede, Felix Gottschall, Keith Goulding, Sanne Govaert, Bente Jessen Graae, Sarah Greenwood, Caroline Greiser, Achim Grelle, Benoit Guénard, Mauro Guglielmin, Joannès Guillemot, Peter Haase, Sylvia Haider, Aud H Halbritter, Maroof Hamid, Albin Hammerle, Arndt Hampe, Siri V Haugum, Lucia Hederová, Bernard Heinesch, Carole Helfter, Daniel Hepenstrick, Maximiliane Herberich, Mathias Herbst, Luise Hermanutz, David S Hik, Raúl Hoffrén, Jürgen Homeier, Lukas Hörtnagl, Toke T Høye, Filip Hrbacek, Kristoffer Hylander, Hiroki Iwata, Marcin Antoni Jackowicz-Korczynski, Hervé Jactel, Järvi Järveoja, Szymon Jastrzębowski, Anke Jentsch, Juan J Jiménez, Ingibjörg S Jónsdóttir, Tommaso Jucker, Alistair S Jump, Radoslaw Juszczak, Róbert Kanka, Vít Kašpar, George Kazakis, Julia Kelly, Anzar A Khuroo, Leif Klemedtsson, Marcin Klisz, Natascha Kljun, Alexander Knohl, Johannes Kobler, Jozef Kollár, Martyna M Kotowska, Bence Kovács, Juergen Kreyling, Andrea Lamprecht, Simone I Lang, Christian Larson, Keith Larson, Kamil Laska, Guerric le Maire, Rachel I Leihy, Luc Lens, Bengt Liljebladh, Annalea Lohila, Juan Lorite, Benjamin Loubet, Joshua Lynn, Martin Macek, Roy Mackenzie, Enzo Magliulo, Regine Maier, Francesco Malfasi, František Máliš, Matěj Man, Giovanni Manca, Antonio Manco, Tanguy Manise, Paraskevi Manolaki, Felipe Marciniak, Radim Matula, Ana Clara Mazzolari, Sergiy Medinets, Volodymyr Medinets, Camille Meeussen, Sonia Merinero, Rita de Cássia Guimarães Mesquita, Katrin Meusburger, Filip J R Meysman, Sean T Michaletz, Ann Milbau, Dmitry Moiseev, Pavel Moiseev, Andrea Mondoni, Ruth Monfries, Leonardo Montagnani, Mikel Moriana-Armendariz, Umberto Morra di Cella, Martin Mörsdorf, Jonathan R Mosedale, Lena Muffler, Miriam Muñoz-Rojas, Jonathan A Myers, Isla H Myers-Smith, Laszlo Nagy, Marianna Nardino, Ilona Naujokaitis-Lewis, Emily Newling, Lena Nicklas, Georg Niedrist, Armin Niessner, Mats B Nilsson, Signe Normand, Marcelo D Nosetto, Yann Nouvellon, Martin A Nuñez, Romà Ogaya, Jérôme Ogée, Joseph Okello, Janusz Olejnik, Jørgen Eivind Olesen, Øystein H Opedal, Simone Orsenigo, Andrej Palaj, Timo Pampuch, Alexey V Panov, Meelis Pärtel, Ada Pastor, Aníbal Pauchard, Harald Pauli, Marian Pavelka, William D Pearse, Matthias Peichl, Loïc Pellissier, Rachel M Penczykowski, Josep Penuelas, Matteo Petit Bon, Alessandro Petraglia, Shyam S Phartyal, Gareth K Phoenix, Casimiro Pio, Andrea Pitacco, Camille Pitteloud, Roman Plichta, Francesco Porro, Miguel Portillo-Estrada, Jérôme Poulenard, Rafael Poyatos, Anatoly S Prokushkin, Radoslaw Puchalka, Mihai Pușcaș, Dajana Radujković, Krystal Randall, Amanda Ratier Backes, Sabine Remmele, Wolfram Remmers, David Renault, Anita C Risch, Christian Rixen, Sharon A Robinson, Bjorn J M Robroek, Adrian V Rocha, Christian Rossi, Graziano Rossi, Olivier Roupsard, Alexey V Rubtsov, Patrick Saccone, Clotilde Sagot, Jhonatan Sallo Bravo, Cinthya C Santos, Judith M Sarneel, Tobias Scharnweber, Jonas Schmeddes, Marius Schmidt, Thomas Scholten, Max Schuchardt, Naomi Schwartz, Tony Scott, Julia Seeber, Ana Cristina Segalin de Andrade, Tim Seipel, Philipp Semenchuk, Rebecca A Senior, Josep M Serra-Diaz, Piotr Sewerniak, Ankit Shekhar, Nikita V Sidenko, Lukas Siebicke, Laura Siegwart Collier, Elizabeth Simpson, David P Siqueira, Zuzana Sitková, Johan Six, Marko Smiljanic, Stuart W Smith, Sarah Smith-Tripp, Ben Somers, Mia Vedel Sørensen, José João L L Souza, Bartolomeu Israel Souza, Arildo Souza Dias, Marko J Spasojevic, James D M Speed, Fabien Spicher, Angela Stanisci, Klaus Steinbauer, Rainer Steinbrecher, Michael Steinwandter, Michael Stemkovski, Jörg G Stephan, Christian Stiegler, Stefan Stoll, Martin Svátek, Miroslav Svoboda, Torbern Tagesson, Andrew J Tanentzap, Franziska Tanneberger, Jean-Paul Theurillat, Haydn J D Thomas, Andrew D Thomas, Katja Tielbörger, Marcello Tomaselli, Urs Albert Treier, Mario Trouillier, Pavel Dan Turtureanu, Rosamond Tutton, Vilna A Tyystjärvi, Masahito Ueyama, Karol Ujházy, Mariana Ujházyová, Domas Uogintas, Anastasiya V Urban, Josef Urban, Marek Urbaniak, Tudor-Mihai Ursu, Francesco Primo Vaccari, Stijn Van de Vondel, Liesbeth van den Brink, Maarten Van Geel, Vigdis Vandvik, Pieter Vangansbeke, Andrej Varlagin, G F Veen, Elmar Veenendaal, Susanna E Venn, Hans Verbeeck, Erik Verbrugggen, Frank G A Verheijen, Luis Villar, Luca Vitale, Pascal Vittoz, Maria Vives-Ingla, Jonathan von Oppen, Josefine Walz, Runxi Wang, Yifeng Wang, Robert G Way, Ronja E M Wedegärtner, Robert Weigel, Jan Wild, Matthew Wilkinson, Martin Wilmking, Lisa Wingate, Manuela Winkler, Sonja Wipf, Georg Wohlfahrt, Georgios Xenakis, Yan Yang, Zicheng Yu, Kailiang Yu, Florian Zellweger, Jian Zhang, Zhaochen Zhang, Peng Zhao, Klaudia Ziemblińska, Reiner Zimmermann, Shengwei Zong, Viacheslav I Zyryanov, Ivan Nijs, Jonathan Lenoir
Research in global change ecology relies heavily on global climatic grids derived from estimates of air temperature in open areas at around 2 m above the ground. These climatic grids do not reflect conditions below vegetation canopies and near the ground surface, where critical ecosystem functions occur and most terrestrial species reside. Here, we provide global maps of soil temperature and bioclimatic variables at a 1-km2 resolution for 0-5 and 5-15 cm soil depth. These maps were created by calculating the difference (i...
May 2022: Global Change Biology
https://read.qxmd.com/read/34419656/best-practices-using-ex-vivo-animal-brain-models-in-neurosurgical-education-to-assess-surgical-expertise
#15
JOURNAL ARTICLE
Ahmad Alsayegh, Mohamad Bakhaidar, Alexander Winkler-Schwartz, Recai Yilmaz, Rolando F Del Maestro
BACKGROUND: Ex vivo animal brain simulation models are being increasingly utilized for neurosurgical training since these models can replicate human brain conditions. The goal of this communication is to provide the neurosurgical community interested in utilizing ex vivo animal brain simulation models with guidelines for comprehensively and rigorously conducting, documenting, and assessing this type of research. METHODS: In consultation with an interdisciplinary group of physicians and researchers involved in ex vivo models and review of the literature on best practices guidelines for simulation research we developed the "Ex Vivo Brain Model to Assess Surgical Expertise" (EVBMASE) checklist...
August 19, 2021: World Neurosurgery
https://read.qxmd.com/read/33491350/the-projected-numbers-of-degenerative-spine-disease-in-austria-from-2017-to-2080-a-perspective-based-scenario-analysis
#16
JOURNAL ARTICLE
Wolfgang Hitzl, Christoph Schwartz, Stefan Zausinger, Peter A Winkler, Barbara Ladisich, Oliver SchÖffski, Alexander Romagna
BACKGROUND: Spinal surgery has to address the challenge of a dramatic increase of the growing number of older persons. The purpose of the present study was to project the numbers of surgically treated degenerative spine disease (DSD) in Austria from 2017 until 2080 to provide potential future scenarios that the Austrian Health system might have to face. METHODS: Current numbers on demographic information from Austria as well as population projections for 2017-2080 were obtained from Statistics Austria (STAT)...
January 22, 2021: Journal of Neurosurgical Sciences
https://read.qxmd.com/read/33418122/quantitation-of-tissue-resection-utilizing-a-brain-tumor-model-and-7-tesla-mr-imaging-technology
#17
JOURNAL ARTICLE
Dan Huy Tran, Alexander Winkler-Schwartz, Marius Tuznik, Houssem-Eddine Gueziri, David A Rudko, Aiden Reich, Recai Yilmaz, Bekir Karlik, D Louis Collins, Adrian Del Maestro, Rolando Del Maestro
BACKGROUND: Animal brain tumor models can be useful educational tools for the training of neurosurgical residents in risk-free environments. MRI technologies have not been employed utilizing these models to quantitate tumor, normal grey and white matter and total tissue removal during complex neurosurgical procedures. This pilot study was carried out as a proof of concept to demonstrate the feasibility of using brain tumor models combined with 7-Tesla MR imaging technology to quantitatively assess tissue removal during subpial tumor resection...
January 5, 2021: World Neurosurgery
https://read.qxmd.com/read/32970108/virtual-reality-anterior-cervical-discectomy-and-fusion-simulation-on-the-novel-sim-ortho-platform-validation-studies
#18
JOURNAL ARTICLE
Nicole Ledwos, Nykan Mirchi, Vincent Bissonnette, Alexander Winkler-Schwartz, Recai Yilmaz, Rolando F Del Maestro
BACKGROUND: Virtual reality spine simulators are emerging as potential educational tools to assess and train surgical procedures in safe environments. Analysis of validity is important in determining the educational utility of these systems. OBJECTIVE: To assess face, content, and construct validity of a C4-C5 anterior cervical discectomy and fusion simulation on the Sim-Ortho virtual reality platform, developed by OSSimTechTM (Montreal, Canada) and the AO Foundation (Davos, Switzerland)...
December 15, 2020: Operative Neurosurgery (Hagerstown, Md.)
https://read.qxmd.com/read/32758649/creating-a-comprehensive-research-platform-for-surgical-technique-and-operative-outcome-in-primary-brain-tumor-neurosurgery
#19
JOURNAL ARTICLE
Alexander Winkler-Schwartz, Recai Yilmaz, Dan Huy Tran, Houssem-Eddine Gueziri, Binbin Ying, Marius Tuznik, Vladimir Fonov, Louis Collins, David A Rudko, Jianyu Li, Patricia Debergue, Valerie Pazos, Rolando Del Maestro
BACKGROUND: The operative environment poses many challenges to studying the relationship between surgical acts and patient outcomes in intracranial oncological neurosurgery. We sought to develop a framework in which neurosurgical performance and extent of resection could be precisely quantified in a controlled setting. METHODS: The stiffness of an alginate hydrogel-based tumor was modified with differing concentrations of the cross-linking agent calcium sulfate until biomechanical properties similar to those of human primary brain tumors measured at resection were achieved...
December 2020: World Neurosurgery
https://read.qxmd.com/read/32289510/roadmap-for-developing-complex-virtual-reality-simulation-scenarios-subpial-neurosurgical-tumor-resection-model
#20
JOURNAL ARTICLE
Abdulrahman J Sabbagh, Khalid M Bajunaid, Norah Alarifi, Alexander Winkler-Schwartz, Ghusn Alsideiri, Gmaan Al-Zhrani, Fahad E Alotaibi, Abdulgadir Bugdadi, Denis Laroche, Rolando F Del Maestro
BACKGROUND: Advancement and evolution of current virtual reality (VR) surgical simulation technologies are integral to improve the available armamentarium of surgical skill education. This is especially important in high-risk surgical specialties. Such fields including neurosurgery are beginning to explore the utilization of virtual reality simulation in the assessment and training of psychomotor skills. An important issue facing the available VR simulation technologies is the lack of complexity of scenarios that fail to replicate the visual and haptic realities of complex neurosurgical procedures...
July 2020: World Neurosurgery
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