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  • Title: One stage operation through modified posterior sagittal approach preserving the sphincter intact for anal agenesis with rectovestibular fistula.
    Author: Liem NT, Quynh TA.
    Journal: J Pediatr Surg; 2015 Apr; 50(4):634-7. PubMed ID: 25840077.
    Abstract:
    PURPOSE: To describe the surgical technique and outcomes of an one stage operation through modified posterior sagittal approach (PSAP) preserving the sphincter intact for anal agenesia with rectovestibula fistula. PATIENTS AND METHODS: 57 patients suffering from anal agenesis with rectovestibular fistula were operated by a one-stage operation through a modified PSAP preserving the external sphincter intact from 2002 to 2010. The operation was performed in one-stage through a posterior sagittal approach with three modifications: The external sphincter complex was not opened on the posterior side, the dissection was carried out outside the rectal pouch, the rectal pouch was not tapered and was pulled through the center of the external sphincter identified by muscle stimulator. RESULTS: Patients age varied from 3 days to 30 days (mean: 21±9 days). The mean operative time was 57±8 min (range, 35-90 min). There were no intraoperative complications. There were no intraoperative or postoperative deaths. There were no early postoperative complications. Follow up from 40 months to 140 was obtained in 52 (91.2%) patients. Constipation has seen in 3 patient, 46 patients (88.5%) had 1-2 defecations per day, 2 patients (3.85%) had 3-4 defecations per day, 1 patients (1.9%) had more than 4 defecations, and 3 patients(5.8%) had one defecation every 2-3 days. Rectal mucosal prolapse occurred in 7 patients who required a second operation. CONCLUSION: One stage operation through modified PSAP is feasible, is safe and provides good continence outcomes for anal agenesis with rectovestibular fistula.
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