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  • Title: Evaluation of Ureteroenteric Anastomotic Strictures after the Introduction of Robot-Assisted Radical Cystectomy with Intracorporeal Urinary Diversion: Results from a Large Tertiary Referral Center.
    Author: Reesink DJ, Gerritsen SL, Kelder H, van Melick HHE, Stijns PEF.
    Journal: J Urol; 2021 Apr; 205(4):1119-1125. PubMed ID: 33249976.
    Abstract:
    PURPOSE: Benign ureteroenteric anastomotic strictures following radical cystectomy are a critical complication. The incidence is highly dependent on study design, surgical technique and surgeon experience. We studied the incidence of ureteroenteric anastomotic strictures after open vs robot-assisted radical cystectomy with an intracorporeal urinary diversion, and determined the influence of the introduction of robot-assisted radical cystectomy in our clinic. MATERIALS AND METHODS: A retrospective, single center, cohort study was performed between January 2012 and December 2017 in all patients undergoing radical cystectomy. Multivariate analysis was performed to determine which patient or disease-specific factors were associated with development of ureteroenteric anastomotic strictures. RESULTS: Of 279 patients, 192 (69%) underwent open radical cystectomy and 87 (31%) underwent robot-assisted radical cystectomy with intracorporeal urinary diversion. In total, 47/279 patients (17%) developed ureteroenteric anastomotic strictures after a median of 3.0 months (95% CI 2.4-3.7). The difference in incidence of ureteroenteric anastomotic strictures was statistically significant between open and robot-assisted radical cystectomy (13% vs 25%, p <0.001). On multivariate analysis, only surgical technique (open vs robot-assisted radical cystectomy) was independently associated with development of ureteroenteric anastomotic strictures (p=0.004). There was a peak incidence of ureteroenteric anastomotic strictures after robot-assisted radical cystectomy of 47% during the first year after introduction of the robot-assisted procedure. CONCLUSIONS: Introducing robot-assisted radical cystectomy with intracorporeal urinary diversion can result in an initial peak incidence of strictures, highlighting the importance of surgeon experience and the presence of a learning curve. Nonetheless, after experience has been gained, our results show that patients undergoing robot-assisted radical cystectomy with intracorporeal urinary diversion are still more likely to develop ureteroenteric anastomotic strictures compared to those undergoing open radical cystectomy.
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