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De Novo Crohn's Disease in Children With Ulcerative Colitis Undergoing Ileal Pouch-Anal Anastomosis: A Multicenter, Retrospective Study From the Pediatric IBD Porto Group of the ESPGHAN

  • M Martinelli
  • , E Romeo
  • , T Caldaro
  • , K Dimakou
  • , A Papadopoulou
  • , M Matar
  • , A Assa
  • , V Dipasquale
  • , C Romano
  • , M Aloi
  • , P Alvisi
  • , D Röser
  • , KL Kolho
  • , N Afzal
  • , O Ledder
  • , S Cohen
  • , J Bronsky
  • , JC Escher
  • , A Brueckner
  • , R Shamir
  • A Staiano*, E Miele
*Corresponding author for this work
  • University of Naples Federico II
  • IRCCS Ospedale pediatrico Bambino Gesù - Roma
  • Children’s Hospital Agia Sofia
  • University of Athens
  • Tel Aviv University
  • Hebrew University of Jerusalem
  • University of Messina
  • University of Rome La Sapienza
  • Hospital Maggiore di Lodi
  • Copenhagen University Hospital (Nordvest)
  • University of Helsinki
  • Southampton Children’s Hospital
  • University of Portsmouth
  • Motol University Hospital
  • Ludwig Maximilian University of Munich
  • Schneider Childrens Medical Center Israel
  • Dana-Dwek Children’s Hospital
  • Tel Aviv Sourasky Medical Center

Research output: Contribution to journalArticleAcademicpeer-review

9 Citations (Scopus)
42 Downloads (Pure)

Abstract

Background and Aims:

We sought to define the prevalence and to characterize possible predictive factors of Crohn’s disease (CD) occurring in children with ulcerative colitis (UC) after ileal pouch–anal anastomosis (IPAA).

Methods:

This was a multicenter, retrospective study including 15 centers of the Porto IBD group of the European Society for Pediatric Gastroenterology, Hepatology and Nutrition. Children with a confirmed diagnosis of UC undergoing colectomy with IPAA and a minimal follow up of 6 months were identified. The following data were collected: demographic data; endoscopic and histologic data; disease activity; laboratory exams; therapeutic history; indication for surgery, type, and timing; and IPAA functional outcomes and complications. In de novo CD cases, time of diagnosis, phenotype, location, and therapies were gathered.

Results:

We identified 111 UC children undergoing IPAA from January 2008 to June 2018 (median age at colectomy: 13 years; age range: 1-18 years; female/male: 59/52). The median time from diagnosis to colectomy was 16 (range, 0-202) months. At the last follow-up, 40 (36%) of 111 children developed pouchitis. The criteria for de novo CD were met in 19(17.1%) of 111 children with a 25-month median (range, 3-61 months). At last follow-up, 12 (63.1%) of 19 were treated with biologics and in 5 (26.3%) of 19 children, the pouch was replaced with definitive ileostomy. In a multivariable logistic regression model, decreased preoperative body mass index z scores (odds ratio, 2.2; 95% confidence interval, 1.1-4.4; P = .01) resulted as the only variable associated with CD development.

Conclusions:

Children with UC undergoing IPAA carry a high risk of developing subsequent CD. De novo CD cases showed decreased preoperative body mass index z scores, identifying a poor nutritional status as a possible predictive factor.
Original languageEnglish
Article numberizad199
Pages (from-to)1475-1481
Number of pages7
JournalInflammatory Bowel Diseases
Volume30
Issue number9
Early online date10 Oct 2023
DOIs
Publication statusPublished - 1 Sept 2024

Bibliographical note

Publisher Copyright:
© 2023 The Author(s). Published by Oxford University Press on behalf of Crohn's & Colitis Foundation. All rights reserved.

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