Anders Mark-Christensen1, Søren Brandsborg2, Søren Laurberg2. 1. Department of Surgery, Section of Coloproctology, Aarhus University Hospital, Tage-Hansens Gade 2, 8000, Aarhus C, Denmark. amch@clin.au.dk. 2. Department of Surgery, Section of Coloproctology, Aarhus University Hospital, Tage-Hansens Gade 2, 8000, Aarhus C, Denmark.
Abstract
PURPOSE: The aim of this study was to explore the effects of primary fecal diversion on the risk of pouch dysfunction. METHODS: Patients operated with an ileal pouch-anal anastomosis in Denmark in 2000-2010 were identified and validated bowel function questionnaires retrieved from a cross-sectional study. Multivariate logistic regression analysis was performed to determine the effect of primary fecal diversion on pouch dysfunction. A diagnostic or procedural code for intraabdominal abscesses and fistulas, occurring within 1 year after pouch creation, and anastomotic leakage or extremely early-onset pouchitis within 30 days of surgery defined a pelvic complication. RESULTS: The questionnaire response rate was 85.6% (504 of 589), with no relevant differences in clinical characteristics between responders and non-responders. Pelvic complications, pouch failure, and death prior to the questionnaire date were more common for patients without primary fecal diversion. Among patients without primary fecal diversion, the prevalence of pouch dysfunction was 48% (95% CI: 34-62%), compared to 30% (95% CI: 26-35%) for those with [adjusted odds ratio = 2.23 (95% CI: 1.20-4.14)]. This difference was primarily caused by a higher risk of 'urgency', 'incomplete emptying', and a higher number of bowel movements per day. CONCLUSION: Omission of primary fecal diversion in ileal pouch-anal anastomosis for ulcerative colitis may have a negative impact on bowel function. Prospective studies are warranted to elaborate these findings and to determine causality with pelvic complications.
PURPOSE: The aim of this study was to explore the effects of primary fecal diversion on the risk of pouch dysfunction. METHODS:Patients operated with an ileal pouch-anal anastomosis in Denmark in 2000-2010 were identified and validated bowel function questionnaires retrieved from a cross-sectional study. Multivariate logistic regression analysis was performed to determine the effect of primary fecal diversion on pouch dysfunction. A diagnostic or procedural code for intraabdominal abscesses and fistulas, occurring within 1 year after pouch creation, and anastomotic leakage or extremely early-onset pouchitis within 30 days of surgery defined a pelvic complication. RESULTS: The questionnaire response rate was 85.6% (504 of 589), with no relevant differences in clinical characteristics between responders and non-responders. Pelvic complications, pouch failure, and death prior to the questionnaire date were more common for patients without primary fecal diversion. Among patients without primary fecal diversion, the prevalence of pouch dysfunction was 48% (95% CI: 34-62%), compared to 30% (95% CI: 26-35%) for those with [adjusted odds ratio = 2.23 (95% CI: 1.20-4.14)]. This difference was primarily caused by a higher risk of 'urgency', 'incomplete emptying', and a higher number of bowel movements per day. CONCLUSION: Omission of primary fecal diversion in ileal pouch-anal anastomosis for ulcerative colitis may have a negative impact on bowel function. Prospective studies are warranted to elaborate these findings and to determine causality with pelvic complications.
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