Nerve-spring technique could achieve a functional trifecta outcome of robotic intracorporeal studer’s orthotopic neobladder in the male

Main Article Content

Qiang Cheng
Liangyou Gu
Wenzheng Chen
Xupeng Zhao
Xin Ma
Xiao Chang
Qing Ai
Hongzhao Li

Keywords

Intracorporeal studer’s orthotopic neobladder; Nerve sparing techniques; Functional trifecta outcomes

Abstract

Objectives: To summarize some key steps of functional improvement in robotic intracorporeal studer’s orthotopic neobladder (RISON) of males, especially for nerve-spring technique. We also presented the result of 1-year follow-up aimed to illustrate its functional trifecta outcomes.
Methods: Robotic radical cystectomy with intracorporeal studer’s orthotopic neobladder was performed on 33 male patients by the same surgeon from April 2018 to March 2019. Nerve-sparing technique had been used in 11 of the 33 patients. A prospectively maintained dataset was retrospectively searched and the related perioperative and follow-up data were analyzed. The functional trifecta outcomes referred to the freedom from recurrence, urinary continence and sexual function recovery after one year.
Results: A total of 33 males were included in our study. All perioperative information was recorded in detail. Thirty-two cases were confirmed to have negative surgical margin, except one pT3a case. And another case of incidental prostate cancer was diagnosed pathologically. All patients (100%) were recurrence-free one year after the operation. Eleven patients underwent nerve-sparing surgeries, including inter-fascial techniques or intra-fascial techniques. All these patients attained daytime continence (0 pad) at 1 month. With the nighttime continence, nerve-sparing group (2, 2 ,1) used fewer pads than other 22 cases (3, 3 ,2) at 1, 6 or 12 month(s) respectively. We defined urinary continence as 0 pad in daytime and no more than 1 pad in nighttime. The median preoperative score of International Index of Erectile Function (IIEF-6) in the 11 cases was 24. The sexual function recovery was defined as IIEF-6 > 20. The final trifecta rate was 54.5% and the median follow-up time lasted 17 months (range, 12 to 22 months).
Conclusions: RISON could be a safe and feasible choice of urinary diversion. Nerve sparing techniques might help the patients achieve a relatively higher functional trifecta rate.

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