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Long-term outcomes and sex differences after restorative proctocolectomy in pediatric patients with ulcerative

Akihiro Hirata¹, Motoi Uchino¹, Toshihiro Bando¹

¹Department of inflammatory Bowel Disease, Hyogo College of Medicine, Nishinomiya, Hyogo, Japan.

Journal of Pediatric Surgery

|November 13, 2015

Abstract

Background:

Restorative proctocolectomy (RPC) for ulcerative colitis (UC) could result in a higher patient quality of life, avoiding frequent disease flares; however, pouch failures and pouch-related complications (PRCs) can develop.

Purpose:

No cohort studies have examined pouch failure and the differences between adult and pediatric patients or the sex differences in pediatric UC. Therefore, the pouch failure rates were compared between adults and pediatric patients, and pouch failure and PRCs in pediatric UC were evaluated.

Methods:

UC patients who underwent RPC between January 1987 and June 2014 at Hyogo College of Medicine were included. Patient background characteristics, PRCs, and pouch failure were reviewed.

Results:

A total of 1347 adult UC patients and 90 (51 boys, 39 girls) pediatric UC patients were included in the study. The cumulative rate of pouch failure at 10years after RPC was significantly higher in pediatric UC (9.5%) than in adult UC (2.1%; p<0.01). In pediatric UC, the independent risk factors for pouch failure were pouchitis (hazard ratio (HR) 19.3) and anal fistula (HR 5.5). Although a sex difference was not seen in pouch failure, an independent risk factor for PRCs was being a girl (HR 2.5).

Conclusions:

Pouch failure was more common in pediatric than in adult UC. PRCs after RPC were more common in girls in pediatric UC.

Keywords:

Pediatric Pouch failure Pouch-related complication Restorative proctocolectomy Ulcerative colitis

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