Reconstruction of the Lower Urinary Tract: Observations on Bowel Dynamics and the Artificial Urinary Sphincter

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Abstract
In 14 patients the lower urinary tract was reconstructed using bowel and the artificial urinary sphincter. Of these patients 11 underwent augmentation cystoplasty. The ileocecal segment was used in 4, cecum in 4 and ileum in 3. Total reconstruction of the lower urinary tract was done using the sigmoid colon in 2 patients and an ileocecocolonic segment in 1. Significant bowel contractions were seen in all segments of the large bowel, including the ileocecal segment, which resulted in urinary incontinence in 3 patients with the artificial urinary sphincter and reflux in 3. The ileal cup-patch technique consistently produced low bladder pressures with excellent compliance and an adequate volume. Because of the unpredictable bowel contractions observed in the ileocecal, sigmoid and cecal segments augmentation cystoplasty be performed using the cup-patch technique. This procedure will ensure the virtual absence of bowel contractions and is associated with excellent compliance and capacity.