Antibiotic Utilization for Perianal Fistulizing Complications among Young Patients with Crohn's Disease

Samir Gadepalli1, Alison Tribble2, Moshiur Rahman3

  • 1Pediatric Surgery, Michigan Medicine, Ann Arbor, MI; Susan B. Meister Child Health Evaluation and Research Center, Michigan Medicine, Ann Arbor, MI.

Insights

Children with Crohn's disease (CD) and perianal fistulizing complications (PFCs) use significantly more antibiotics. This highlights the need for better antibiotic stewardship and evidence-based treatment strategies in pediatric CD management.

Area of Science:

  • Pediatric Gastroenterology
  • Inflammatory Bowel Disease Research
  • Pharmacology and Therapeutics

Background:

  • Crohn's disease (CD) is a chronic inflammatory bowel disease affecting children.
  • Perianal fistulizing complications (PFCs) are a common and challenging manifestation in pediatric CD.
  • Antibiotic use is frequent in managing pediatric CD, but patterns and associations with complications require characterization.

Purpose of the Study:

  • To investigate antibiotic utilization patterns in children diagnosed with Crohn's disease (CD).
  • To determine the association between antibiotic dispensing and the development of perianal fistulizing complications (PFCs) in pediatric CD patients.
  • To analyze predictors of antibiotic use in this specific patient population.

Main Methods:

  • Retrospective analysis of US administrative claims data from 2009-2018.
  • Inclusion of patients aged 21 years or younger with CD and 5 years of continuous enrollment.
  • Evaluation of patient demographics, medication dispensing records, and disease outcomes using multivariable regression models.

Main Results:

  • A cohort of 5,277 pediatric CD patients was analyzed; 17% developed PFCs.
  • Antibiotic prescriptions were common, with 83% of patients receiving at least one.
  • Patients with PFCs exhibited significantly higher antibiotic dispensing (median 67 days) compared to those without PFCs (median 27 days), a 90% increase in adjusted analysis.

Conclusions:

  • Perianal fistulizing complications (PFCs) are prevalent in pediatric Crohn's disease and strongly linked to increased antibiotic use.
  • A substantial proportion of pediatric CD patients with PFCs receive extensive antibiotic prescriptions.
  • The findings underscore the critical need for evidence-based treatment guidelines and robust antibiotic stewardship programs for pediatric CD.
Abstract

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