Inflammatory bowel disease in the South Asian pediatric population of British Columbia

Vared Pinsk, Daniel A. Lemberg, Karan Grewal, Collin C. Barker, Richard A. Schreiber, Kevan Jacobson

Research output: Contribution to journalArticlepeer-review

127 Scopus citations

Abstract

BACKGROUND: Geographical differences, population migration, and changing demographics suggest an environmental role in prevalence, modulation, and phenotypic expression of inflammatory bowel disease (IBD). AIM: To determine the incidence of IBD and disease subtype in the pediatric South Asian population in British Columbia (BC) compared with non-South Asian IBD patients in the same geographic area. METHODS: Chart review with data collected for all patients ≤16 yr of age diagnosed with IBD at B.C. Children's hospital, January 1985 to June 2005. Age, gender, family history, duration of symptoms, type, and extent of disease were extracted. Identified South Asian subjects were prospectively interviewed. RESULTS: Seventy-five South Asian patients were diagnosed with IBD, 48% Crohn's disease (CD), 33.3% ulcerative colitis (UC), and 18.7% with indeterminate colitis (IC), in contrast to 71%, 18.8%, and 10.2%, respectively, in the non-South Asian population. The incidence rate for South Asian IBD patients, for the period 1996-2001 was 15.19/105 (6.41/105 for CD, 6.70/105 for UC, and 2.08/105 for IC) compared with 5.19/105 for the non-South Asian IBD group (3.69/105, 0.96/105, and 0.54/105, respectively). The South Asian male/female ratio was significantly different from that observed for the rest of the population. CONCLUSION: These data suggest a significantly higher incidence of IBD in the South Asian pediatric population compared with the rest of the BC pediatric population, with a different pattern of phenotypic expression, a male predominance, and more extensive colonic disease. These data suggest a potential effect of migration, and environmental and lifestyle change on the incidence of IBD and disease subtype.

Original languageEnglish
Pages (from-to)1077-1083
Number of pages7
JournalAmerican Journal of Gastroenterology
Volume102
Issue number5
DOIs
StatePublished - 1 May 2007
Externally publishedYes

ASJC Scopus subject areas

  • Hepatology
  • Gastroenterology

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