Validation of a Novel Laparoscopic Adjustable Gastric Band Simulator
Identifieur interne : 001194 ( Pmc/Corpus ); précédent : 001193; suivant : 001195Validation of a Novel Laparoscopic Adjustable Gastric Band Simulator
Auteurs : Ganesh Sankaranarayanan ; James D. Adair ; Tansel Halic ; Mark A. Gromski ; Zhonghua Lu ; Woojin Ahn ; Daniel B. Jones ; Suvranu DeSource :
- Surgical endoscopy [ 0930-2794 ] ; 2010.
Abstract
Morbid obesity accounts for more than 90,000 deaths per year in the United States. Laparoscopic adjustable gastric banding (LAGB) is the second most common weight loss procedure performed in the US and the most common in Europe and Australia. Simulation in surgical training is a rapidly advancing field that has been adopted by many to prepare surgeons for surgical techniques and procedures.
The aim of our study was to determine face, construct and content validity for a novel virtual reality laparoscopic adjustable gastric band simulator.
Twenty-eight subjects were categorized into two groups (Expert and Novice), determined by their skill level in laparoscopic surgery. Experts consisted of subjects who had at least four years of laparoscopic training and operative experience. Novices consisted of subjects with medical training, but with less than four years of laparoscopic training. The subjects performed the virtual reality laparoscopic adjustable band surgery simulator. They were automatically scored, according to various tasks. The subjects then completed a questionnaire to evaluate face and content validity.
On a 5-point Likert scale (1 – lowest score, 5 – highest score), the mean score for visual realism was 4.00 ± 0.67 and the mean score for realism of the interface and tool movements was 4.07 ± 0.77 [Face Validity]. There were significant differences in the performance of the two subject groups (Expert and Novice), based on total scores (p<0.001) [Construct Validity]. Mean scores for utility of the simulator, as addressed by the Expert group, was 4.50 ± 0.71 [Content Validity].
We created a virtual reality laparoscopic adjustable gastric band simulator. Our initial results demonstrate excellent face, construct and content validity findings. To our knowledge, this is the first virtual reality simulator with haptic feedback for training residents and surgeons in the laparoscopic adjustable gastric banding procedure.
Url:
DOI: 10.1007/s00464-010-1306-5
PubMed: 20734069
PubMed Central: 3124630
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