The midterm outcomes of 1-stage versus 3-stage laparoscopic-assisted anorectoplasty in anorectal malformations with rectoprostatic fistula and rectobulbar fistula: A retrospective cohort study

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Abstract

The aim of this study was to compare the midterm outcomes of 1-stage and 3-stage surgical procedures to treat anorectal malformations (ARMs) with rectoprostatic and rectobulbar fistula using laparoscopic-assisted anorectoplasty (LAARP).

A total of 56 patients with ARMs and rectoprostatic and rectobulbar fistula who underwent LAARP from January 2011 to May 2014 in our institution were included in the study. They were divided into 2 groups according to the stage of procedure. The patients’ data and postoperative complications were compared between the 2 groups. The Krickenbeck classification was used for assessing the bowel functions.

About 20 ARM newborns (rectoprostatic fistula [12], rectobulbar fistula [8]) successfully underwent a 1-stage LAARP, and about 36 ARM children (rectoprostatic fistula [20], rectobulbar fistula [16]) underwent a 3-stage LAARP (colostomy, LAARP, and closure of colostomy). The average age at the LAARP procedure in 1-stage group was significantly lower than that in 3-stage group (39.8 ± 8.1 hours vs 4.9 ± 1.2 months; P = .00). The average operative time during the definitive procedure was 132.2 ± 15.9 minutes in the 1-stage group and 120.5 ± 12.7 minutes in the 3-stage group (P = .13). There was only 5 to 10 mL of blood loss during the LAARP procedure both the groups (P = .75). There were no significant differences between the 2 groups in postoperative hospital stay during the definitive procedure (10.2 ± 2.3 days vs 8.5 ± 2.2 days; P = .22). The rate of surgical site infection and dehiscence was 5% (1/20) in the 1-stage group and 5.6% (2/36) in 3-stage group (P = 1.00). During the period of follow-up, the rate of voluntary bowel movement was 90% (18/20) in 1-stage group and 94.4% (34/36) in 3-stage group (P = .94). Free from soiling or grade I soiling was 80% (16/20) in 1-stage group and 83.3% (30/36) in 3-stage group (P = 1.00); grade II soiling was found in 3 (10%) patients in 1-stage group and 85.7% in 3-stage group (P = .75); grade III soiling was found in 3 (10%) patients in 1-stage group and 85.7% in 3-stage group (P = 1.00). Three patients (15%) in 1-stage group and 5 patients (13.9%) in 3-stage group suffered from grade I constipation (P = 1.00); while 3 (15%) patients in 1-stage group and 4 patients (11.1%) in 3-stage group had grade II constipation (P = 1.00); no patients in the 2 groups suffered from grade III constipation.

The 1-stage LAARP procedure for neonate with rectoprostatic and rectobulbar fistula can achieve comparable midterm outcomes as the conventional 3-stage LAARP procedure. It provides an alternative method to rectify the ARMs with rectoprostatic fistula and rectobulbar fistula without colostomy.

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