Abstract
Malfunction of the outlet mechanism, that is leakage of urine or difficulty in catheterization, has been the main problem in the evolution of continent urinary reservoirs. Urinary leakage in 3 patients with a right colonic reservoir (2 with an intussuscepted ileal nipple valve and 1 with a plicated ileal segment as a continence mechanism) was managed with tapered narrowing of the nipple valve and the ileocecal valve, respectively, using stapling techniques. Continence was thereby reestablished without impeding catheterization. Tapering is easy to perform and, when applicable, can obviate the need for a major surgical procedure.
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