Abstract
In the last decade, many continent urinary diversions have been developed for the cystectomy patients. Mainz pouch, which seems to be a sophisticated one without using an alloplastic prosthesis, was adopted in our clinic. We preliminarily report our result in 11 patients who underwent a Mainz pouch procedure in the last 2 years: 1 for bladder augmentation, 5 for total bladder substitution after cystoprostatectomy and 5 (including 2 females) for continent urinary diversion. The mean age of them was 54 years old and the follow up periods ranged from 6 to 24 months. The antimesenteric longitudinal incision of the ileum and cecum and their sutures were performed similarly to the usual detubularized intestinal pouch. The ureteral reimplantation to the colonic segment was accomplished by the submucosal tunnel method. Although the ureteral hiatus was initially positioned at the anal edge of the colon, a new hiatal creation by stabbing the more oral portion of the colon according to the Goodwin's ureterocolic anastomosis was subsequently employed to avoid the trouble of closure of this portion. When the urethral anastomosis was achieved by 4-5 interrupted sutures between the most dependent portion of the cecum and the urethral stump after cystoprostatectomy, the mucosa was everted to the colonic serosa to prevent the stricture. The continent stoma was created by an intussusception of the proximal ileum, which was stabilized by the seromuscular stripping and 2-3 rows of external metal staples. Complication of the alimentary system occurred in 6 of 11 cases (55%), though they were successfully treated by an appropriate conservative management except one who suffered an ileostomy and nephrostomy because of severe panperitonitis.(ABSTRACT TRUNCATED AT 250 WORDS)
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