Abstract

Continent urinary diversion has increasingly become important for treating children and adults with urinary tract pathology that cannot be managed by direct reconstructive techniques. The Mitrofanoff principle, a term that has become synonymous with the flap valve mechanism for promoting the unidirectorial flow of a fluid medium, is a recapitulation of nature's design for the competent ureterovesical junction. Construction of a catheterizable channel using this principle can be performed with a variety of tissues and serves well as a continence mechanism for either the native bladder or intestinal reservoirs. In addition to its utility in managing urinary incontinence, implantation of a catheterizable channel into the cecum can be used to manage fecal incontinence in patients with neurogenic bowel dysfunction.

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