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Development of a Virtual Reality Assessment of Everyday Living Skills
10:32

Development of a Virtual Reality Assessment of Everyday Living Skills

Published on: April 23, 2014

Needs analysis for developing a virtual-reality NOTES simulator.

Ganesh Sankaranarayanan1, Kai Matthes, Arun Nemani

  • 1Center for Modeling, Simulation and Imaging in Medicine, Rensselaer Polytechnic Institute, 110, 8th Street, Troy, NY 12180, USA.

Surgical Endoscopy
|December 19, 2012
PubMed
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This summary is machine-generated.

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Experts identified key design parameters for a virtual reality simulator for natural orifice transluminal endoscopic surgery (NOTES). The virtual transluminal endoscopic surgery trainer (VTEST) will incorporate preferences for cholecystectomy simulation, flexible/hybrid scopes, transvaginal approaches, and two-channel instruments.

Area of Science:

  • Medical Simulation
  • Surgical Technology
  • Virtual Reality in Medicine

Background:

  • Natural orifice transluminal endoscopic surgery (NOTES) is an emerging technique requiring careful adoption for patient safety.
  • High-fidelity virtual reality simulators offer a risk-free platform for developing new surgical procedures and training medical personnel.
  • The Virtual Transluminal Endoscopic Surgery Trainer (VTEST) project aims to develop such a simulator, funded by the National Institutes of Health.

Purpose of the Study:

  • To conduct a structured needs analysis for designing a virtual reality-based simulator for NOTES.
  • To identify essential design parameters based on expert preferences for NOTES simulation.

Main Methods:

  • A 30-point questionnaire was administered to 22 NOTES experts at the 2011 National Orifice Surgery Consortium for Assessment and Research meeting.

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  • Ordinal logistic regression and Wilcoxon rank-sum test were employed for data analysis.

    • Main Results:

    • Cholecystectomy (68%) and appendectomy (63%) were the preferred procedures for simulation.
    • Flexible (47%) and hybrid (47%) scope approaches were favored over rigid scopes (6%).
    • The transvaginal approach was preferred over transgastric, and two-channel scopes (65%) were favored over single or multi-channel scopes. Force feedback and simulator utility for training/testing were highly rated.

    Conclusions:

    • The study highlights the critical need for a virtual NOTES simulator.
    • Expert preferences provide clear direction for the VTEST platform's development.
    • The findings will guide the initial design and implementation of the VTEST simulator.