The Association of Inflammatory Bowel Disease with Coeliac Disease and Coeliac Autoimmunity in Children and Adults: A Nationwide Study from the epi-IIRN.

Autor: Kori, Michal, Zamir, Yonatan, Yermiyahu, Sami Or, Ainbinder, Inessa, Daichman, Svetlana, Pinto, Gavriel David, Weisband, Yiska Loewenberg, Greenfeld, Shira, Kariv, Revital, Lederman, Natan, Matz, Eran, Shamir, Raanan, Dotan, Iris, Turner, Dan
Zdroj: Journal of Crohn's & Colitis; May2023, Vol. 17 Issue 5, p700-705, 6p
Abstrakt: Background and Aims Given the paucity of population-based data on the association between inflammatory bowel diseases [IBD], coeliac disease [CeD], and coeliac autoimmunity [CeA] we aimed to study the associations in a nationwide study. Methods Using health administrative data for all four health maintenance organisations in Israel, covering 98% of the population, we explored the prevalence of CeD in children and adults with IBD versus non-IBD matched controls. CeD was defined by three ICD-9 codes and CeA by positivity for tissue transglutaminase antibodies. Results In total, 34 375 IBD patients (56% Crohn's disease [CD] and 44% ulcerative colitis [UC]) were compared with 93 603 non-IBD controls. Among IBD patients, 319 [0.93%] had CeD versus 294 [0.31%] non-IBD controls (odds ratio [OR] = 2.97, 95% confidence interval [CI] 2.54-3.48; p  <0.001). CeA was identified in 575 [1.67%] IBD patients vs 158 [0.17%] controls [OR = 10.06, 95% CI 8.43-12; p  <0.001]. The prevalence of CeD was higher in paediatric-onset IBD (87/5243 [1.66%]) than adult-onset IBD (232/29 132 [0.79%]; p  <0.001). CD patients had a higher prevalence of CeD (229/19 264 [1.19%]) than UC patients (90/15 111 [0.56%]; OR = 2.01, 95% CI 1.57-2.56; p  <0.001). The diagnosis of CeD preceded the diagnosis of IBD in 241/319 cases [76%]. The time to treatment escalation was shorter in patients with both IBD and CeD than in patients with IBD without CeD [ p  = 0.017]. Conclusion CeD and CeA are more prevalent in IBD patients, especially in paediatric-onset IBD and in CD. The diagnosis of CeD usually precedes that of IBD. Having CeD is associated with more intensified treatment for IBD. [ABSTRACT FROM AUTHOR]
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