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- Title
The Association of Inflammatory Bowel Diseases with Autoimmune Disorders: A Report from the epi-IIRN.
- Authors
Yehuda, Shahar Bar; Axlerod, Rachel; Toker, Ori; Zigman, Nir; Goren, Iris; Mourad, Vered; Lederman, Natan; Cohen, Nurit; Matz, Eran; Dushnitzky, Doron; Gavish, Matan; Borovsky, Nirit; Schwarts, Doron; Dotan, Iris; Turner, Dan
- Abstract
Background and Aims There are conflicting data on the association between inflammatory bowel diseases [IBD] and autoimmunity disorders. The aim of this study was to explore this association including the effect of medications. Methods We utilized health administrative data collected by three of the four health maintenance organizations [HMOs] in Israel, covering 52% of the country's population. We explored the prevalence of the following autoimmune disorders: insulin-dependent diabetes mellitus [IDDM], psoriasis, Sjögren syndrome, coeliac disease, systemic lupus erythematosus [SLE], primary sclerosis cholangitis [PSC] and autoimmune thyroiditis, among all IBD patients vs non-IBD controls. Case ascertainment was determined according to validated computerized algorithms. Results In total, 12625 IBD patients were compared to 12625 controls. A total of 1395 [11.1%] IBD patients had at least one autoimmune disease compared with 740 [5.9%] of non-IBD controls (odds ratio [OR] = 1.99 [95% confidence interval 1.81–2.19]; p < 0.05); all autoimmune diseases, except for thyroiditis, were more prevalent among IBD patients. Adjusted for confounding variables, anti-tumour necrosis factor [anti-TNF] medications were associated with a higher prevalence of psoriasis (54 [5.7%] in IBD vs 177 [4.1%] in controls; OR = 1.50 [1.07–2.08]; p < 0.05) but lower prevalence of Sjögren (1 [0.1%] vs 39 [0.9%]; OR [95% CI] = 0.13 [0.02–0.94]; p < 0.05) and coeliac disease (11 [1.2%] vs 68 [1.6%]; OR [95% CI] = 0.51 [0.27–0.99]; p < 0.05). Thiopurines and 5-aminosalicylates were not associated with any autoimmune disorder. Conclusion IBD is associated with all autoimmune diseases explored here except for thyroiditis. Anti-TNF users have a higher prevalence of psoriasis, and lower prevalence of Sjögren and coeliac disease.
- Publication
Journal of Crohn's & Colitis, 2019, Vol 13, Issue 3, p324
- ISSN
1873-9946
- Publication type
Article
- DOI
10.1093/ecco-jcc/jjy166