Stricture at the pouch-anal anastomosis after restorative proctocolectomy

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Abstract

PURPOSE:

The aim of this study was to determine what factors may be responsible for the development of a stricture at the pouch-anal anastomosis after restorative proctocolectomy.

METHODS:

A consecutive series of 115 patients was studied retrospectively a median of 34 months (range, 4-100 months) after operation or ileostomy closure. The procedure failed in 11 patients (9.6 percent) who subsequently had to have a permanent ileostomy. Another two patients were excluded from the analysis, one of whom was awaiting ileostomy closure, whereas the other had a stricture due to a desmoid tumor. Of the remaining 102 patients, 39 (38 percent) developed an ileoanal anastomotic stricture, which was severe and persistent in 16 percent.

RESULTS:

The results were analyzed with the aid of multivariate logistic regression analysis. Factors which predisposed significantly to the development of an ileoanal anastomotic stricture were 1) use of the 25-mm (small) diameter stapling gun (P<0.05), 2) use of a quadruplicated reservoir (P=0.05), 3) use of a defunctioning ileostomy (P=0.03), and 4) anastomotic dehiscence and pelvic sepsis (P=0.03). The single patient whose operation failed because of a stricture had also developed pelvic sepsis associated with an anastomotic dehiscence.

CONCLUSIONS:

The eventual clinical, functional outcome after dilation of a stricture in the 39 patients who developed a stricture was as good as the outcome in the 63 patients who did not a develop stricture.

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