Description and Preliminary Evaluation of a Low-Cost Simulator for Training and Evaluation of Flexible Endoscopic Skills

Surgical Innovation
David Berger-RichardsonMelina Vassiliou

Abstract

The Society of American Gastrointestinal and Endoscopic Surgeons developed the Fundamentals of Endoscopic Surgery (FES) to test the knowledge and skills required to perform flexible endoscopy. The program includes online didactic material to complement the written component, but does not have a practice component for the skills portion. The purpose of this study was to develop and pilot test low-cost models to train for the hands-on component of the FES examination. Based on the deconstructed skills tested in FES, a low-cost simulator and metrics that model retroflexion, instrumentation and targeting, loop reduction, and mucosal evaluation were developed. The model is reuseable and requires a real endoscope and tower. Validity evidence was obtained by comparing performance between novice endoscopists (NEs) and experienced endoscopists (EEs). Six NEs and 6 EEs participated. In retroflexion, EEs and NEs scored (median [interquartile range]) 72.9 (67.1; 78.6) and 37.9 (25.7; 50.0; P = .004), respectively. In targeting, EEs scored 102.0 (75.0; 110.0) and NEs scored 50.0 (25.0; 50.0; P = .089). In navigation and loop reduction, EEs scored 189.0 (108.0; 267.0) and NEs scored 0.0 (0.0; 0.0; P = .004). In mucosal evaluation, EEs scored...Continue Reading

References

Dec 14, 2006·Advances in Surgery·Sanjeev Dutta, Thomas M Krummel
Jun 24, 2008·Journal of Surgical Education·Tamara N FitzgeraldKurt E Roberts
Jan 28, 2010·American Journal of Surgery·Melina C VassiliouGerald M Fried
Nov 20, 2013·American Journal of Surgery·Kristen D TrincaE Matthew Ritter
Nov 21, 2013·Surgical Endoscopy·Melina C VassiliouJeffrey M Marks
Dec 10, 2013·Surgical Endoscopy·Jeffrey W HazeyW Scott Melvin
Sep 23, 2014·Journal of Surgical Education·Pedro Pablo GomezKent Van Sickle

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