Rectourethral and rectovesical fistula as serious and rare complications after Hirschsprung disease operation: Experience in seven patients
Journal of Pediatric Surgery(2021)
Abstract
Aim: To present the features and treatment of rectourethral fistula (RUF) and rectovesical fistula (RVF) after Hirschsprung disease (HD) operation.Methods: A retrospective analysis was performed on patients with RUF and RVF after HD operation, who received repair surgery from a single surgeon between January 2005 and December 2019. Bowel function was assessed using the Rintala score.Results: Seven patients were included. Six patients were referred to us after transanal endorectal pull-through (TEPT) in other centers; one RVF patient had fecal diversion at admission. Bladder-neck injury was detected during redo TEPT in our hospital in the remaining one patient and instant repair was given. 11 days later, RVF and sepsis were detected.Fecal and urine diversion was performed immediately. The fistula openings were prostatic urethra (3), membranous urethra (2), bladder triangle (1), and bladder-neck (1). Anastomotic stricture (4), bladder stone (3), hydronephrosis and ureterovesical junction obstruction (2), pelvic infection (2), distal colonic dilatation (1) and other fistulas (1) were identified before repair surgery. Fecal and urine diversion was performed before repair surgery in one RUF and one RVF patient respectively, to treat pelvic infection owing to fecal or urine leaks and accompanying problems. Five RUFs were repaired by transperineal approach, and two RVFs were repaired using the transabdominal and transanal approach respectively. Four patients with anastomotic stricture underwent redo TEPT with simultaneous fistula repair. Aside from one RUF patient, the fistula in all patients successfully resolved. Median follow up time was 81 months (range, 5-116 months). No recurrence was observed. Median bowel function score was 17.5 (range, 17-18).Conclusion: The location of fistula, presence of anastomotic stricture and the association of urinary complications have significant impacts on the treatment strategy in such rare complications after TEPT for HD. (C) 2020 Elsevier Inc. All rights reserved.
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Key words
Rectourethral fistula,Rectovesical fistula,Hirschsprung disease,Diversion,Repair surgery
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