Abstract
IntroductionSimulation in medicine has developed a lot in the last few decades. There is a broad range of simulators available, above all for training in surgical procedures. Endourology can benefit much from simulation because the minimally-invasive procedures of endourology frequently have long learning curves, which can be reduced by training with simulators. Material and methodsA low-fidelity simulator was designed for practicing endourology techniques that use cystoscopy. The process of validation involved 5 experts and 19 non-experts. Experts comprised medical professionals working in a department of urology who had performed at least 100 flexible cystoscopy procedures. Non-experts were residents in internal medicine without experience in any type of endoscopy. Information about face and content validity was collected by means of Likert scales from 1 to 5. To evaluate construct validity, we measured the time to complete two tasks, for which the procedure was evaluated by means of the OSATS global evaluation scale. ResultsNew simulator was successfully built according to its design. For all evaluated aspects of construct validity, there was a significant difference (P<.05) between the group of experts and the group of non-experts. Content validity was scored 4.66 (standard deviation±0.56) by the experts and 4.41 (±0.71) by the non-experts. In the face validity questionnaire, the average score was 4.14 (±0.94), the question receiving the highest score: 4.6 (±0.84) concerned immersion in the procedure. ConclusionThe simulator presented is valid both for training up new urologists in endourology technique and for experts seeking to perfect their skills.
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