Abstract
The aim of this study is to validate a training model that combines the use of nonbiologic and biologic simulators as well as live porcine animal model in endoscopic retrograde intrarenal surgery (RIRS). A total of 60 urologists took part in this study, and the activity lasted for 2 days. The training model was divided into three modules: Module-I, related to the acquisition of basic theoretical knowledge; Module-II, consisting of an internship with bench models; and Module III, in which animal models were used. First, trainees practiced with animals without using a lesion model (placement of an ureteral access sheath under fluoroscopic guidance and flexible ureterorenoscopy). Afterward, they practiced on a porcine animal model of bilateral renal lithiasis. Performance was measured using a validated global rating score and RIRS checklist score. Face and content validation as well as constructive validation provided by trainees in front of 15 experts were performed during the practice. Face and content validations were satisfactory. "Individual" constructive validity showed statistical significance between the first and the last time that trainees practiced on an animal model. Statistical significance was also found between trainees and expert scores. There were 73.4% of trainees who increased their skills by more than 40%. This RIRS training model allows for the acquisition of technical knowledge and skills as face, content, and constructive validation show. A structured use of nonbiologic, biologic, and animal model simulators allows the increase of RIRS skills.
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