Objective: To review the rates of persistent and de novo stress urinary incontinence (SUI) following urethral diverticulum (UD) repairs performed without concomitant SUI surgical procedures. Methods: Following IRB approval, charts of women who underwent UD excision by three FPMRS surgeons were reviewed. Data collected from the electronic medical record included demographic information, preoperative symptoms and evaluation (validated questionnaires [UDI-6, QoL]), imaging studies, operative details, post-operative symptoms, and subsequent surgical interventions. Excluded were women with <6 months follow-up or concomitant pubovaginal sling placement. SUI was diagnosed by patient report, and UD was confirmed by preoperative magnetic resonance imaging or voiding cystourethrogram. The primary outcome was defined as the rate of SUI following UD repair. Secondary outcomes included resolution of pre-operative SUI, rate of self-reported secondary SUI, and SUI surgical intervention post-UD repair. Results: From 2003-2018, 61 of 67 women met study criteria. SUI pre-UD repair was reported in 31 of 61 (51%). During UD repair, 3 patients underwent Martius flap interposition. Post-UD repair, 18/61 (30%) reported SUI. Persistent SUI was present in 14 of 31 (45%), and de novo SUI occurred in 4 of 30 (13%). Postoperative responses revealed statistically significant improvements in QoL and most questions of UDI-6 at median 18 months. SUI was surgically managed in 3 patients using bulking agent injections (2) and autologous fascial sling placement (1). Overall, 3 of 61 (5%) underwent SUI intervention post-UD repair. Conclusion: Without prophylactic SUI corrective procedures performed during UD repair, we observed a low rate of de novo SUI, and only 5% with bothersome SUI opting for surgical intervention.
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