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  • Title: Functional outcome of conversion of ileorectal anastomosis to ileal pouch-anal anastomosis in patients with familial adenomatous polyposis and ulcerative colitis.
    Author: Soravia C, O'Connor BI, Berk T, McLeod RS, Cohen Z.
    Journal: Dis Colon Rectum; 1999 Jul; 42(7):903-8. PubMed ID: 10411437.
    Abstract:
    PURPOSE: The aim of this study was to review the functional outcome in 20 patients with familial adenomatous polyposis and ulcerative colitis who were converted from ileorectal anastomosis to ileal pouch-anal anastomosis. METHODS: From 1985 to 1997, 12 patients with familial adenomatous polyposis (5 males; mean age, 39.1 years) and 8 patients with ulcerative colitis (5 males; mean age, 36.7 years) underwent conversion from ileorectal anastomosis to ileal pouch-anal anastomosis. Clinical and operative data were analyzed retrospectively. Functional results were obtained by telephone interview in 16 patients (94 percent) after pouch construction. Four patients were not interviewed (2 were deceased, 1 was lost to follow-up, and 1 was not reachable). RESULTS: Indications for conversion were uncontrollable rectal polyps (10 patients) and colonic cancer found in the pathology specimen after ileorectal anastomosis in patients with familial adenomatous polyposis (2 patients), intractable proctitis (5 patients), colonic cancer found in the pathology specimen of patients with ulcerative colitis after ileorectal anastomosis (2 patients), and rectal dysplasia (1 patients). Mean follow-up time was 5 (range, 1-11) years. Ileal pouch-anal anastomosis was handsewn in 14 patients, and the remaining cases were double-stapled in 4 patients with ulcerative colitis. No intraoperative difficulties were reported in 13 cases; technical problems were related to adhesions (3 cases), difficult rectal dissection (2 cases), and stapler-related difficulties (2 cases). Postoperative complications after ileal pouch-anal anastomosis included small-bowel obstruction (4 patients) and ileal pouch-anal anastomosis leak (1 patient). Patients with ileorectal anastomosis vs. those with ileal pouch-anal anastomosis had a better functional outcome with regard to nighttime continence (14 (88 percent) vs. 6 (38 percent) patients) and average bowel movements (<6/day; 12 (75 percent) vs. 4 (25 percent) patients). Complete daytime continence, 15 (94 percent) vs. 10 (62 percent) patients, was similar in the two groups. Physical and emotional well-being were similarly rated as very good to excellent. CONCLUSIONS: In patients with familial adenomatous polyposis and ulcerative colitis with ileorectal anastomosis, conversion to ileal pouch-anal anastomosis may be required. In view of the risk of rectal cancer or intractable proctitis, patients seem to accept the conversion in spite of poorer bowel function.
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