IBD across the age spectrum - Is it the same disease?

Joannie Ruel, Darren Ruane, Saurabh Mehandru, Corinne Gower-Rousseau, Jean Frédéric Colombel

Research output: Contribution to journalReview articlepeer-review

174 Scopus citations

Abstract

IBD is a chronic disorder with disease onset ranging from early childhood to beyond the sixth decade of life. The factors that determine the age of onset currently remain unexplained. Is timing of occurrence a random event or is it indicative of different pathophysiological pathways leading to different phenotypes across the age spectrum? Over the past decade, several studies have suggested that the characteristics and natural history of IBD seem to be different according to age of onset. This heterogeneity suggests that the respective contributions of genetics, host immune system and environment to the aetiology and phenotype of Crohn's disease and ulcerative colitis are different across ages. Critical reviews that focus on differences characterizing IBD between age groups are scarce. Therefore, this Review updates the knowledge of the differences in epidemiology, clinical characteristics, and natural history of paediatric, adult and elderly-onset IBD. In addition, potential differences in host-gene-microbial interactions according to age are highlighted.

Original languageEnglish
Pages (from-to)88-98
Number of pages11
JournalNature Reviews Gastroenterology and Hepatology
Volume11
Issue number2
DOIs
StatePublished - Feb 2014

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