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Related Experiment Video

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Examining validity evidence for a simulation-based assessment tool for basic robotic surgical skills.

Maria Cecilie Havemann1, Torur Dalsgaard2, Jette Led Sørensen2

  • 1Department of Gynaecology, Juliane Marie Centre for Children, Women and Reproduction, Rigshospitalet-Glostrup University Hospital, University of Copenhagen, Blegdamsvej 9, 2100, Copenhagen, Denmark. mchavemann@dadlnet.dk.

Journal of Robotic Surgery
|May 16, 2018
PubMed
Summary

This study validates a virtual-reality simulator for robotic surgical skills, showing it can assess surgeon competency and serve as a training tool. Performance improved with practice, correlating with experience.

Keywords:
AssessmentRobotic surgerySimulationValidityVirtual reality

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Area of Science:

  • Surgical Education
  • Medical Simulation
  • Robotic Surgery

Background:

  • Patient safety necessitates validated methods for assessing surgical competency.
  • Virtual-reality (VR) simulators offer a promising avenue for training and evaluating robotic surgical skills.
  • Objective assessment tools are crucial for ensuring proficiency before patient procedures.

Purpose of the Study:

  • To gather validity evidence for a VR simulator test designed for robotic surgical skills.
  • To evaluate the simulator's potential as an effective training tool for surgeons.
  • To correlate simulator performance with varying levels of robotic surgery experience.

Main Methods:

  • Recruited surgeons across novice, intermediate, and experienced robotic surgery levels.
  • Utilized the da Vinci Skills Simulator with five standardized exercises.
  • Collected performance data over 10 attempts per participant across four sessions.

Main Results:

  • A moderate correlation was found between initial simulator scores and prior robotic surgery experience (r=0.58, p=0.0004).
  • Significant performance differences were observed between novice and intermediate/experienced groups (p<0.0001).
  • All participant groups demonstrated significant performance improvement from the first to the tenth attempt (p<0.00).

Conclusions:

  • The VR simulator provides validity evidence for assessing basic robotic surgical skills.
  • The simulator is suitable for both competency assessment and as a surgical training tool.
  • Further validity evidence is required before utilizing the simulator for high-stakes assessments or certification.