269 Identifying surgical factors predicting postoperative potency in robot-assisted radical prostatectomy Conclusion The results of this study show expert analysis into the level of NVB preservation, the quality of the NVBs and the means of haemostasis during the NVB preservation could be used to predict the postoperative potency status of a patient. 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. This pilot study shows surgical video analysis by expert surgeons could be used to assess surgical processes and surgical techniques. This form of expert analysis could provide overviews of a surgeon’s performance and aid in improving the skills of surgeons.
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