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Meta-Analysis
. 2005;22(1-2):69-79.
doi: 10.1159/000085356. Epub 2005 Apr 14.

Results and complications after ileal pouch anal anastomosis: a meta-analysis of 43 observational studies comprising 9,317 patients

Willem E Hueting  1 , Erik Buskens, Ingeborg van der Tweel, Hein G Gooszen, Cees J H M van Laarhoven
Affiliations
Meta-Analysis

Results and complications after ileal pouch anal anastomosis: a meta-analysis of 43 observational studies comprising 9,317 patients

Willem E Hueting et al. Dig Surg. 2005.

Abstract

Objective: To analyze the literature of ileal pouch anal anastomosis (IPAA) regarding complications and functional outcome, to provide audit data for individual surgeons and units to assess their own performance against and also to serve as reference standard for the assessment of novel alternatives.

Background: IPAA is the standard restorative procedure for ulcerative colitis (UC) and familial adenomatous polyposis (FAP). This operation is, however, associated with distinct rates of failure, complications and fecal incontinence.

Methods: A meta-analysis on pooled incidences of complications of IPAA was conducted. Medline search and cross-reference search identified studies on IPAA (n > or = 50). Two authors independently performed the data extraction on study characteristics, diagnosis, type of operation, pouch-related complications, pouch failure and functional results. In case of disagreement consensus was reached by joint review of the study. Estimates of pouch-related complications, pouch failure and functional results are described as pooled percentages with 95% confidence interval.

Results: The initial search based on 1,206 abstracts yielded 43 studies eligible for further analysis. Indications for IPAA were UC in 87.5%, FAP in 8.9% and other diagnoses in 3.6%. The median follow-up was 36.7 months. Pouch failure was 6.8%, increasing to 8.5% in case of follow-up of more than 60 months. Pelvic sepsis occurred in 9.5%. Severe, mild and urge fecal incontinence were reported in 3.7, 17, and 7.3%, respectively. No effect of experience, duration of follow-up and type of surgical technique on the incidence of pouch failure and pelvic sepsis was demonstrable.

Conclusions: Current techniques for restorative surgery after proctocolectomy are associated with non-negligible complication rates and leave room for improvement and continuation of development of alternative procedures.

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