Ethnic variations in inflammatory bowel diseases among Israel's populations

Mahmud Mahamid, Ariella Bar Gil Shitrit, Hana Amara, Benjamin Koslowsky, Rami Ghantous, Rifaat Safadi

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Background: Crohn's disease and ulcerative colitis are the two major classic presentations of inflammatory bowel diseases (IBD). Studies have shown a wide variation in the incidence and prevalence attributed to different geographic and ethnic populations. Objectives: To assess the clinical characteristics of IBD among Arabs in Israel and to compare them to characteristics of IBD among Ashkenazi Jews. Methods: This retrospective, comparative study compared the clinical characteristics of IBD among 150 Arabs from the Holy Family Hospital and the Nazareth Hospital EMMS, both located in Nazareth, Israel, to those of 97 age- and sex-matched Ashkenazi Jewish patients from Shaare Zedek Medical Center, Jerusalem, Israel. Results: The Arab cohort, which included 106 patients (70%) with Crohn's disease and 44 (29%) with ulcerative colitis, was compared to 97 Ashkenazi patients (81% with Crohn's disease and 17% with ulcerative colitis) (P < 0.05). Alcohol consumption was found in both groups, but Arabs smoked more (46% vs. 12%, respectively, P < 0.05). Obstructive phenotype was lower in Arabs (10% vs. 32%, P < 0.05). 5-aminosalicylic acid and anti-tumor necrosis factor alpha were prescribed for the Arab and Ashkenazi groups (89% and 21%, respectively). The need for surgical intervention due to disease severity and/or complications was not significant (22% vs. 24%). Conclusions: Despite similar reports of NOD2/CARD15 mutations, Crohn's disease is more common than ulcerative colitis within the Arab-Israeli population. Increased smoking rates may explain milder disease severities in Arabs, as reflected by lower obstructive pattern and frequent use of milder therapeutic modalities.

Original languageEnglish
Pages (from-to)662-665
Number of pages4
JournalIsrael Medical Association Journal
Volume21
Issue number10
StatePublished - Oct 2019

Bibliographical note

Publisher Copyright:
© 2019 Israel Medical Association. All rights reserved.

Keywords

  • Crohn's disease
  • Ethnic differences
  • Inflammatory bowel diseases (IBD)
  • Ulcerative colitis

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