alexa Risk of cerebrovascular accidents and ischemic heart disease in patients with inflammatory bowel disease: a systematic review and meta-analysis.


Journal of Gastrointestinal & Digestive System

Author(s): Singh S, Singh H, Loftus EV Jr, Pardi DS

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Abstract BACKGROUND & AIMS: Inflammatory bowel disease (IBD) is associated with an increased risk of venous thromboembolic disease. However, it is unclear whether IBD modifies the risk of arterial thromboembolic events, including cerebrovascular accidents (CVA) and ischemic heart disease (IHD). METHODS: We performed a systematic review and meta-analysis of cohort and case-control studies that reported incident cases of CVA and/or IHD in patients with IBD and a non-IBD control population (or compared with a standardized population). We calculated pooled odds ratios (ORs) with 95\% confidence intervals (CIs). RESULTS: We analyzed data from 9 studies (2424 CVA events in 5 studies, 6478 IHD events in 6 studies). IBD was associated with a modest increase in the risk of CVA (5 studies; OR, 1.18; 95\% CI, 1.09-1.27), especially among women (4 studies; OR, 1.28; 95\% CI, 1.17-1.41) compared with men (OR, 1.11; 95\% CI, 0.98-1.25), and in young patients (<40-50 y old). The increase in risk was observed for patients with Crohn's disease and in those with ulcerative colitis. IBD also was associated with a 19\% increase in the risk of IHD (6 studies; OR, 1.19; 95\% CI, 1.08-1.31), both in patients with Crohn's disease and ulcerative colitis. This risk increase was seen primarily in women (4 studies; OR, 1.26; 95\% CI, 1.18-1.35) compared with men (OR, 1.05; 95\% CI, 0.92-1.21), in young and old patients. IBD was not associated with an increased risk of peripheral arterial thromboembolic events. Considerable heterogeneity was observed in the overall analysis. CONCLUSIONS: IBD is associated with a modest increase in the risk of cardiovascular morbidity (from CVA and IHD)-particularly in women. These patients should be counseled routinely on aggressive risk factor modification. Copyright © 2014 AGA Institute. Published by Elsevier Inc. All rights reserved. This article was published in Clin Gastroenterol Hepatol and referenced in Journal of Gastrointestinal & Digestive System

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