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Modified S-Ileal Neobladder for Continent Urinary Diversion: Functional and Urodynamic Results after 20 Years of Follow-Up

Objective: To report continence and urodynamic findings after radical cystectomy and urinary diversion with modified S-ileal neobladder between January 1993 and January 2013. Patients and Methods: 181 patients were enrolled. Continence status, reservoir sensation, compliance, capacity and activity were assessed. Results: Daytime continence was reported by 88.0, 98.4 and 99.2%, while nighttime continence was reported by 70.2, 94.0 and 95.8% of our patients at 6 months, 5 years and 20 years, respectively. Enterocystometric capacity and maximum reservoir pressure were 366 vs. 405 ml and 502 ml, and 29 vs. 18 and 11 cm H2O, at 6 months, 5 years and 20 years, respectively. Median post-void residual urine volume was 32 ml at 6 months, 50 ml at 5 years and 120 ml at 20 years. Conclusions: The modified S-ileal neobladder technique has a very good long-lasting functional outcome, with high day- and nighttime continence levels as well as high acceptability rates from our patients.