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https://www.readbyqxmd.com/read/27689458/the-force-pyramid-a-spatial-analysis-of-force-application-during-virtual-reality-brain-tumor-resection
#1
Hamed Azarnoush, Samaneh Siar, Robin Sawaya, Gmaan Al Zhrani, Alexander Winkler-Schwartz, Fahad Eid Alotaibi, Abdulgadir Bugdadi, Khalid Bajunaid, Ibrahim Marwa, Abdulrahman Jafar Sabbagh, Rolando F Del Maestro
OBJECTIVE Virtual reality simulators allow development of novel methods to analyze neurosurgical performance. The concept of a force pyramid is introduced as a Tier 3 metric with the ability to provide visual and spatial analysis of 3D force application by any instrument used during simulated tumor resection. This study was designed to answer 3 questions: 1) Do study groups have distinct force pyramids? 2) Do handedness and ergonomics influence force pyramid structure? 3) Are force pyramids dependent on the visual and haptic characteristics of simulated tumors? METHODS Using a virtual reality simulator, NeuroVR (formerly NeuroTouch), ultrasonic aspirator force application was continually assessed during resection of simulated brain tumors by neurosurgeons, residents, and medical students...
September 30, 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27473019/resident-simulation-training-in-endoscopic-endonasal-surgery-utilizing-haptic-feedback-technology
#2
Jayesh P Thawani, Ashwin G Ramayya, Kalil G Abdullah, Eric Hudgins, Kerry Vaughan, Matthew Piazza, Peter J Madsen, Vivek Buch, M Sean Grady
Simulated practice may improve resident performance in endoscopic endonasal surgery. Using the NeuroTouch haptic simulation platform, we evaluated resident performance and assessed the effect of simulation training on performance in the operating room. First- (N=3) and second- (N=3) year residents were assessed using six measures of proficiency. Using a visual analog scale, the senior author scored subjects. After the first session, subjects with lower scores were provided with simulation training. A second simulation served as a task-learning control...
July 26, 2016: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/27395397/bimanual-psychomotor-performance-in-neurosurgical-resident-applicants-assessed-using-neurotouch-a-virtual-reality-simulator
#3
Alexander Winkler-Schwartz, Khalid Bajunaid, Muhammad A S Mullah, Ibrahim Marwa, Fahad E Alotaibi, Jawad Fares, Marta Baggiani, Hamed Azarnoush, Gmaan Al Zharni, Sommer Christie, Abdulrahman J Sabbagh, Penny Werthner, Rolando F Del Maestro
OBJECTIVE: Current selection methods for neurosurgical residents fail to include objective measurements of bimanual psychomotor performance. Advancements in computer-based simulation provide opportunities to assess cognitive and psychomotor skills in surgically naive populations during complex simulated neurosurgical tasks in risk-free environments. This pilot study was designed to answer 3 questions: (1) What are the differences in bimanual psychomotor performance among neurosurgical residency applicants using NeuroTouch? (2) Are there exceptionally skilled medical students in the applicant cohort? and (3) Is there an influence of previous surgical exposure on surgical performance? DESIGN: Participants were instructed to remove 3 simulated brain tumors with identical visual appearance, stiffness, and random bleeding points...
November 2016: Journal of Surgical Education
https://www.readbyqxmd.com/read/26967787/impact-of-acute-stress-on-psychomotor-bimanual-performance-during-a-simulated-tumor-resection-task
#4
Khalid Bajunaid, Muhammad Abu Shadeque Mullah, Alexander Winkler-Schwartz, Fahad E Alotaibi, Jawad Fares, Marta Baggiani, Hamed Azarnoush, Sommer Christie, Gmaan Al-Zhrani, Ibrahim Marwa, Abdulrahman Jafar Sabbagh, Penny Werthner, Rolando F Del Maestro
OBJECTIVE Severe bleeding during neurosurgical operations can result in acute stress affecting the bimanual psychomotor performance of the operator, leading to surgical error and an adverse patient outcome. Objective methods to assess the influence of acute stress on neurosurgical bimanual psychomotor performance have not been developed. Virtual reality simulators, such as NeuroTouch, allow the testing of acute stress on psychomotor performance in risk-free environments. Thus, the purpose of this study was to explore the impact of a simulated stressful virtual reality tumor resection scenario by utilizing NeuroTouch to answer 2 questions: 1) What is the impact of acute stress on bimanual psychomotor performance during the resection of simulated tumors? 2) Does acute stress influence bimanual psychomotor performance immediately following the stressful episode? METHODS Study participants included 6 neurosurgeons, 6 senior and 6 junior neurosurgical residents, and 6 medical students...
March 11, 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/25851146/neurosurgical-assessment-of-metrics-including-judgment-and-dexterity-using-the-virtual-reality-simulator-neurotouch-najd-metrics
#5
Fahad E Alotaibi, Gmaan A AlZhrani, Abulrahman J Sabbagh, Hamed Azarnoush, Alexander Winkler-Schwartz, Rolando F Del Maestro
Advances in computer-based technology has created a significant opportunity for implementing new training paradigms in neurosurgery focused on improving skill acquisition, enhancing procedural outcome, and surgical skills assessment. NeuroTouch is a computer-based virtual reality system that can generate output data known as metrics from operator performance during simulated brain tumor resection. These measures of quantitative assessment are used to track and compare psychomotor performance during simulated operative procedures...
December 2015: Surgical Innovation
https://www.readbyqxmd.com/read/25687956/proficiency-performance-benchmarks-for-removal-of-simulated-brain-tumors-using-a-virtual-reality-simulator-neurotouch
#6
Gmaan AlZhrani, Fahad Alotaibi, Hamed Azarnoush, Alexander Winkler-Schwartz, Abdulrahman Sabbagh, Khalid Bajunaid, Susanne P Lajoie, Rolando F Del Maestro
OBJECTIVE: Assessment of neurosurgical technical skills involved in the resection of cerebral tumors in operative environments is complex. Educators emphasize the need to develop and use objective and meaningful assessment tools that are reliable and valid for assessing trainees' progress in acquiring surgical skills. The purpose of this study was to develop proficiency performance benchmarks for a newly proposed set of objective measures (metrics) of neurosurgical technical skills performance during simulated brain tumor resection using a new virtual reality simulator (NeuroTouch)...
July 2015: Journal of Surgical Education
https://www.readbyqxmd.com/read/25599201/assessing-bimanual-performance-in-brain-tumor-resection-with-neurotouch-a-virtual-reality-simulator
#7
Fahad E Alotaibi, Gmaan A AlZhrani, Muhammad A S Mullah, Abdulrahman J Sabbagh, Hamed Azarnoush, Alexander Winkler-Schwartz, Rolando F Del Maestro
BACKGROUND: Validated procedures to objectively measure neurosurgical bimanual psychomotor skills are unavailable. The NeuroTouch simulator provides metrics to determine bimanual performance, but validation is essential before implementation of this platform into neurosurgical training, assessment, and curriculum development. OBJECTIVE: To develop, evaluate, and validate neurosurgical bimanual performance metrics for resection of simulated brain tumors with NeuroTouch...
March 2015: Neurosurgery
https://www.readbyqxmd.com/read/25165351/proficiency-performance-benchmarks-for-removal-of-simulated-brain-tumors-using-neurotouch
#8
Rolando Del Maestro, Gmaan Al Zhrani, Hamed Azarnoush, Alexander Winkler-Schwartz, Fahad Alotaibi, Susanne P Lajoie
BACKGROUND: Objective assessment of neurosurgical technical skills involved in the resection of cerebral tumors in operative environments is complex. Educators emphasize the need to develop and use objective and meaningful assessment tools that are reliable and valid for assessing trainees' progress in acquiring surgical skills. Novel technologies, such as virtual-reality simulation, have the potential to play important roles in the training of neurosurgeons. The purpose of this study was to develop benchmarks for a newly proposed set of objective measures (metrics) of neurosurgical technical skills performance during simulated brain tumor resection using a new virtual reality simulator (NeuroTouch)...
July 2014: Neuro-oncology
https://www.readbyqxmd.com/read/24965186/neurosurgical-virtual-reality-simulation-metrics-to-assess-psychomotor-skills-during-brain-tumor-resection
#9
Hamed Azarnoush, Gmaan Alzhrani, Alexander Winkler-Schwartz, Fahad Alotaibi, Nicholas Gelinas-Phaneuf, Valérie Pazos, Nusrat Choudhury, Jawad Fares, Robert DiRaddo, Rolando F Del Maestro
PURPOSE: Virtual reality simulator technology together with novel metrics could advance our understanding of expert neurosurgical performance and modify and improve resident training and assessment. This pilot study introduces innovative metrics that can be measured by the state-of-the-art simulator to assess performance. Such metrics cannot be measured in an operating room and have not been used previously to assess performance. METHODS: Three sets of performance metrics were assessed utilizing the NeuroTouch platform in six scenarios with simulated brain tumors having different visual and tactile characteristics...
May 2015: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/24051889/the-development-of-a-virtual-simulator-for-training-neurosurgeons-to-perform-and-perfect-endoscopic-endonasal-transsphenoidal-surgery
#10
Gail Rosseau, Julian Bailes, Rolando del Maestro, Anne Cabral, Nusrat Choudhury, Olivier Comas, Patricia Debergue, Gino De Luca, Jordan Hovdebo, Di Jiang, Denis Laroche, Andre Neubauer, Valerie Pazos, Francis Thibault, Robert Diraddo
BACKGROUND: A virtual reality (VR) neurosurgical simulator with haptic feedback may provide the best model for training and perfecting surgical techniques for transsphenoidal approaches to the sella turcica and cranial base. Currently there are 2 commercially available simulators: NeuroTouch (Cranio and Endo) developed by the National Research Council of Canada in collaboration with surgeons at teaching hospitals in Canada, and the Immersive Touch. Work in progress on other simulators at additional institutions is currently unpublished...
October 2013: Neurosurgery
https://www.readbyqxmd.com/read/23784222/assessing-performance-in-brain-tumor-resection-using-a-novel-virtual-reality-simulator
#11
Nicholas Gélinas-Phaneuf, Nusrat Choudhury, Ahmed R Al-Habib, Anne Cabral, Etienne Nadeau, Vincent Mora, Valerie Pazos, Patricia Debergue, Robert DiRaddo, Rolando F Del Maestro
PURPOSE: NeuroTouch is a virtual reality (VR) simulator developed for neurosurgical skill training. Validation demonstrating that the system is useful and reliable is required for formal adoption into training curriculums. Face and content validity have been demonstrated for some neurosurgical simulators, but construct validity remains difficult to establish. A pilot validation study was conducted for a NeuroTouch training exercise. METHODS: Participants completed the internal resection of a simulated convexity meningioma and filled out questionnaires to provide feedback on the experience...
January 2014: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/23178917/fundamentals-of-neurosurgery-virtual-reality-tasks-for-training-and-evaluation-of-technical-skills
#12
Nusrat Choudhury, Nicholas Gélinas-Phaneuf, Sébastien Delorme, Rolando Del Maestro
BACKGROUND: Technical skills training in neurosurgery is mostly done in the operating room. New educational paradigms are encouraging the development of novel training methods for surgical skills. Simulation could answer some of these needs. This article presents the development of a conceptual training framework for use on a virtual reality neurosurgical simulator. METHODS: Appropriate tasks were identified by reviewing neurosurgical oncology curricula requirements and performing cognitive task analyses of basic techniques and representative surgeries...
November 2013: World Neurosurgery
https://www.readbyqxmd.com/read/22722339/virtual-reality-simulator-demonstrated-use-in-neurosurgical-oncology
#13
David B Clarke, Ryan C N D'Arcy, Sebastien Delorme, Denis Laroche, Guy Godin, Sujoy Ghosh Hajra, Rupert Brooks, Robert DiRaddo
BACKGROUND: The overriding importance of patient safety, the complexity of surgical techniques, and the challenges associated with teaching surgical trainees in the operating room are all factors driving the need for innovative surgical simulation technologies. TECHNICAL DEVELOPMENT: Despite these issues, widespread use of virtual reality simulation technology in surgery has not been fully implemented, largely because of the technical complexities in developing clinically relevant and useful models...
April 2013: Surgical Innovation
https://www.readbyqxmd.com/read/22233921/neurotouch-a-physics-based-virtual-simulator-for-cranial-microneurosurgery-training
#14
Sébastien Delorme, Denis Laroche, Robert DiRaddo, Rolando F Del Maestro
BACKGROUND: A virtual reality neurosurgery simulator with haptic feedback may help in the training and assessment of technical skills requiring the use of tactile and visual cues. OBJECTIVE: To develop a simulator for craniotomy-based procedures with haptic and graphics feedback for implementation by universities and hospitals in the neurosurgery training curriculum. METHODS: NeuroTouch was developed by a team of more than 50 experts from the National Research Council Canada in collaboration with surgeons from more than 20 teaching hospitals across Canada...
September 2012: Neurosurgery
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