253 Identifying surgical factors predicting postoperative potency in robot-assisted radical prostatectomy Abstract Background Surgical technique in robot assisted radical prostatectomy (RARP) may determine in a significant extent the postoperative recovery of erectile function. Our research questions are: (1) Are expert surgeons able to predict postoperative potency after RARP by performing surgical video analysis? (2) Can results of the templated assessment methods (Global Evaluative Assessment of Robotic Skills (GEARS), Prostatectomy Assessment and Competence (PACE) and PRostatectomy video Observation to Evaluate and Score Technical skill (PROTEST)) be related to postoperative potency levels? Methods Patients were selected and matched based on their reported potency. Surgical skills were measured by a single trained assessor using the GEARS, PACE, and the PROTEST method. In addition, two expert surgeons (Expert 1 and 2) predicted postoperative potency levels of the patient. Results Assessment of the surgical videos by the trained assessor using the GEARS, PACE, and PROTEST methods showed no differences in results between the potency groups. Expert 1 correctly assessed potency in 83.3% (10/12 patients) of the patients. Expert 2 correctly assessed potency in 58.3% (7/12 patients) of the patients. Conclusion The results of this study show expert analysis gives insight into perioperative factors which influence postoperative functional results. Although the same factors were used by the experts to predict the postoperative status of the patient the variance in the interpretation of these factors show there is a need for objective measurements in surgical video analysis in order to clarify the influence of the factors identified by the experts on the patient’s postoperative potency status.
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