Post-prostatectomy incontinence.

Abstract

Urinary continence is maintained by the smooth-muscled system of the "internal sphincter". The striated external sphincter is not primarily responsible for continence. One of the chief functions of the external sphincter is the initiation of voluntary micturition. Its other functions are: random interruption of the urinary stream, reflex control during an increase in intra-abdominal pressure (such as coughing, sneezing, larghing, lifting) complete emp;ying of the urethra after micturition and stabilization of the posterior urethra in the urogenital diaphragm. After prostatectomy an intact external sphincter is important in order to support the smooth-muscled system which continues to be primarily responsible for continence to function as efficiently as possible. In approximately 90% of all postprostatectomy incontinences the external sphincter is intact and this cames a good prognosis following our correcture surgery without the need for prostheses. Only in rare post-prostatectomy incontinence cases (aprox. 10%) is the external sphincter also injured. Incontinence surgery according to our method has not been satisfactory in these cases.