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The WIMAT colonoscopy suitcase model: a novel porcine polypectomy trainer

Ansell, James, Arnaoutakis, Konstantinos, Goddard, Stuart, Hawkes, N., Leicester, R., Dolwani, Sunil, Torkington, Jared and Warren, Neil 2013. The WIMAT colonoscopy suitcase model: a novel porcine polypectomy trainer. Colorectal Disease 15 (2) , pp. 217-223. 10.1111/j.1463-1318.2012.03122.x

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Abstract

Aim Simulation allows the acquisition of complex skills within a safe environment. Endoscopic polypectomy has a long learning curve. Our novel polypectomy simulator may be a useful adjunct for training. The aim of this study was to assess its content validity. Method The Welsh Institute for Minimal Access Therapy (WIMAT) endoscopy suitcase was designed to simulate colonic polypectomy. Participants from regional and national courses were recruited into the study. Each undertook a standardized simulated polypectomy and completed a seven-point Likert scale questionnaire examining its realism. Results In all, 17 participants completed the questionnaire: 15 (88.2%) gastroenterologists, one (5.9%) colorectal surgeon and one (5.9%) experienced endoscopic nurse specialist. Of the gastroenterologists, seven (46.7%) were consultants and eight (53.3%) were senior trainees or Post CCT (Certificate of Completion of Training) fellows. The mean number of real-life polypectomies performed by the cohort was 156 (95% CI 35–355). The highest scores were for ‘mucosal realism’ (median score 6.0, P = 0.001), ‘endoscopic snare control’ (median score 6.0, P = 0.001), ‘handling the polyp’ (median score 6.0, P = 0.001) and ‘raising mucosa’ (median score 6.0, P < 0.001). Of the 15 parameters examined only three were not statistically significant in favour of the simulator. These were ‘anatomical realism of sessile polyps’, ‘resistance of scope movement’ and ‘paradoxical motion’. The overall score for the simulation was 6.0 (P < 0.001). There was no significant difference between the level of difficulty of the simulator compared with real life (median score 4.0, P = 0.559). Conclusion The WIMAT colonoscopy suitcase model has excellent content validity for several parameters. This may have potential applications in medical training and assessment.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Medicine
Subjects: R Medicine > R Medicine (General)
Publisher: Wiley
ISSN: 1462-8910
Last Modified: 19 Apr 2019 23:23
URI: http://orca.cf.ac.uk/id/eprint/71941

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