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Does laparoscopic simulation predict intraoperative performance? A comparison between the Fundamentals of
Sarah N Steigerwald1, Jason Park1, Krista M Hardy1
1Department of Surgery, St. Boniface General Hospital, University of Manitoba, Z3039-409 Tache Avenue, Winnipeg, Manitoba, Canada R2H 2A6.
Background:
Considerable resources have been invested in low- and high-fidelity simulators in surgical training. To our knowledge, no investigation has compared the 2 head to head for operative assessment purposes. The purpose of this study was to assess the Fundamentals of Laparoscopic Surgery (FLS) low-fidelity video trainer and LapVR (high-fidelity virtual-reality simulator) for (1) construct and (2) predictive validity using a human cholecystectomy model.
Methods:
Twenty-six participants performed tasks from the FLS program and the LapVR simulator as well as a human laparoscopic cholecystectomy. Performance was evaluated using FLS and LapVR metrics and the Objective Structured Assessment of Technical Skills previously validated rating scale.
Results:
Construct and predictive validity were strongly demonstrated for FLS tasks but only incompletely for LapVR.
Conclusions:
Efforts should be focused on using the well-validated lower-cost FLS video trainer for assessment of laparoscopic skills. The high-cost LapVR remains experimental in resource-constrained training programs.
