Posterior sagittal anorectoplasty in vestibular fistula: with or without colostomy

Abstract

Purpose

The aim of this study is to compare the results and complications of one- and three-stage repairs in females with vestibular fistula (VF) and make contribution to the discussion of whether the disadvantages outweigh the protective effect of a colostomy from wound infection and wound dehiscence following posterior sagittal anorectoplasty (PSARP).

Methods

Patients with a diagnosis of VF who underwent PSARP between October 2009 and November 2015 were retrospectively reviewed. The patients were divided into two groups: Group 1—patients treated by one-stage procedure (n = 30); Group 2—patients treated by three-stage procedure (n = 16).

Results

There were no statistically significant differences between the groups with respect to wound infection, recurrence of fistula and rectal mucosal prolapse. Minor wound dehiscence occurred slightly more common in Group 1, even if p value is not significant. No wound dehiscence has been observed since we switched to the protocol of keeping the child nil per oral for 5 postoperative days and loperamide (0.1 mg/kg) administration for 7 postoperative days. The mean time before resuming oral intake was 2.87 ± 1.7 and 1.19 ± 0.4 days in Group 1 and Group 2, respectively (p = 0.001). None developed major wound disruption or anal stenosis in either group. There were no statistical differences between the groups in terms of voluntary bowel movements, soiling and constipation.

Conclusions

PSARP performed without a protective colostomy in patients with VF has low morbidity, good continence rates and obvious advantages for both the patients and their parents.

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