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World J Urol. 2006 Aug;24(3):315-8. Epub 2006 May 5.

Continent cutaneous urinary diversion: long-term follow-up of more than 800 patients with ileocecal reservoirs.

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Department of Urology, Johannes Gutenberg University Medical School, Langenbeckstrasse 1, 55131, Mainz, Germany.


We report the clinical outcome of more than 800 patients, who underwent continent cutaneous urinary diversion with an ileocecal reservoir (Mainz-pouch I) in two urological tertiary referral centers at a mean follow-up of 7.6 years. Complications related to the continence mechanism (intussuscepted ileal nipple vs. submucosally embedded in situ appendix) and the antirefluxive uretero-intestinal anastomosis (submucosal tunnel vs. serosa-lined extramural tunnel) were recorded retrospectively. Stomal stenosis was observed in 23.5% of the patients with appendix stoma and in 15.3% of the patients with intussuscepted ileal nipple. The incidence of calculi was 10.8% in reservoirs with intussuscepted ileal nipple and 5.6% in reservoirs with appendix stoma. Eleven patients (eight with appendix, three with ileal nipple) required reoperation because of ischemic degeneration of the continence mechanism. The overall continence rate (day and night) was 92.8%. Anastomotic strictures of the afferent limb occurred in 6.5% of renal units (RUs) with a submucosal tunnel and in 5.0% of RUs with a serosa-lined extramural tunnel. Continent cutaneous urinary diversion with an ileocecal pouch is a highly satisfactory and safe option for patients, in whom orthotopic urinary diversion is impossible or contraindicated.

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