We describe a new sphincter mechanism and its clinical application in 11 patients requiring continent diversion. The sphincter, composed of 2 short segments of ileum, is urodynamically responsive and actually increases its resistance to leakage when reservoir pressure or volume increases. Because of this dynamic continence control and its ease of construction, it appears to be a useful addition to the reconstructive urological armamentarium.
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Koff et al. (1989) studied this question.
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