Abstract:Objective: To summarize the clinical experience and efficacies of robotic intracorporeal studer orthotopic neobladder (RISON). Method: The baseline and perioperative data of 10 patients undergoing RISON in our single center between January to August in 2018 were reviewed. The preparation, manipulation of robot and the location of trocars were described. The tips and tricks of key procedures and techniques were introduced. Meanwhile, further follow-up was also conducted to evaluate the clinical effect, including bladder capacity, urinary controlling, sexual function, short-term and long-term complications. Results: All the RISONs were successfully performed without conversion to open surgery or changing urinary diversion. Nine men and 1 woman with a median age of 61 years old (range 26-69) and BMI of 25 (20.3-33.8) were included. Median operation time was 420 min (range 300-540 min), median blood loss was 250 mL (range 100-800 mL), time to return of flatus 3 days (range 2-4 days), full ambulation 2 days (range 1-7 days), full tolerance 5 days (range 4-8 days). TNM stage: T2N0M0 6 cases, T1N0M0 4 cases (after transurethral resection of bladder tumor). Surgical margins were negative in all cases. One patient had prostate cancer meantime. The lymph nodes’ number of each case was 20-25. Overall, 2 patients experienced short-term complication (within 30 days), and 9 patients encounted long-term complication (out of 30 days), including Clavien Grade Ⅰ 3 cases, Grade Ⅱ 5 cases and Grade Ⅲ 1 case. From the perspective of surgical effects, full bladder volume was 300 mL (range 0-400 mL). Except 1 female patient can’t control urination, the remaining 9 male patients obtained micturition control during the day and regular micturition during night. Two cases of reserved nerve patients obtained relatively satisfactory erections after surgery with sexual function score above 15 points. No deaths occurred within an average follow-up period of 6 months (range 3-7 months). Conclusion: RISON is a safe and feasible method for urinary diversion. Most patients can get satisfactory curative effect after operation.
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