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A Networked Desktop Virtual Reality Setup for Decision Science and Navigation Experiments with Multiple Participants

A Networked Desktop Virtual Reality Setup for Decision Science and Navigation Experiments with Multiple Participants

Published on: August 26, 2018

Construct and face validity of a virtual reality-based camera navigation curriculum.

Shohan Shetty¹, Lucian Panait, Jacob Baranoski

¹Stanley J. Dudrick Department of Surgery, Saint Mary's Hospital, Waterbury, Connecticut, USA. shohan_shetty@hotmail.com

The Journal of Surgical Research

|June 29, 2012

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This study developed a virtual reality (VR) curriculum for laparoscopic camera navigation. The VR training demonstrated validity and improved skills, suggesting it’s a valuable tool for surgical trainees.

Area of Science:

Surgical Education
Medical Simulation
Laparoscopic Surgery

Background:

Camera handling and navigation are crucial for laparoscopic surgery, with less experienced team members often responsible for camera operation.
Essential camera skills include orientation, horizon maintenance, zoom control, and lens clarity.
Virtual reality (VR) simulation offers a potential method for developing these camera skills in novice surgeons.

Purpose of the Study:

To develop and implement a novel virtual reality (VR)-based curriculum for laparoscopic camera navigation.
To assess the construct and face validity of this VR curriculum in a trainee population.
To determine if the curriculum can differentiate between varying levels of laparoscopic experience.

Main Methods:

A proficiency-based curriculum was implemented on the LapSim VR simulator for 41 participants (medical students, residents, fellows, attendings).

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Participants were stratified into novice, intermediate, and advanced groups based on prior laparoscopic experience.

The curriculum included modules on camera navigation, coordination, and target visualization, with metrics such as time, target misses, and drift analyzed.

Main Results:

Significant differences were observed in the number of repetitions required to complete the curriculum across experience groups (novice, intermediate, advanced).
The advanced group required fewer repetitions (11.7) compared to intermediate (21.2) and novice (41.8) groups (P < 0.05).
Participants rated the training highly for improving camera skills, relevance to surgery, and overall validity, with high regard for graphics and realism.

Conclusions:

The developed VR camera navigation curriculum demonstrates construct and face validity within the surgical trainee population.
VR simulation for camera navigation is a potentially valuable tool for integration into surgical training programs.
This curriculum can aid in developing essential camera handling skills for residents and medical students.