• Zuhal Caliskan, Nursen Keles, Huseyin Savas Gokturk, Kamil Ozdil, Feyza Aksu, Oguzhan Ozturk, Resul Kahraman, Osman Kostek, Ahmet S Tekin, Gulsum Teke Ozgur, and Mustafa Caliskan.
• Baskent University Department of Gastroenterology, Konya, Turkey.
• Int. J. Cardiol. 2016 Nov 15; 223: 176-181.

BackgroundInflammatory bowel disease [IBD] includes a number of chronic relapsing diseases. In IBD intestinal microvascular endothelial cells are damaged by an abnormal immune response. Several studies have shown that IBD may cause increment in risk of developing atherosclerosis. IBD in activation was related to enhanced risks of worse cardiovascular [CV] outcome, on the other hand no risk increment was seen in remission comparing to control group in those studies. Coronary Flow Reserve [CFR] reflects coronary microvascular circulation. Coronary microvascular dysfunction may be defined as a predictor of CV outcome combined with previous described atherosclerotic risk factors. The present study was purposed to further evaluate whether or not CFR in the left anterior descending artery [LAD] is disturbed in IBD patients with activation in comparison to remission and healthy subjects.Methods62 patients with IBD and 39 healthy volunteers were enrolled into the study. Patients' demographics were recorded. CFR evaluation of patients with IBD in both activation and remission period and control group were performed with transthoracic echocardiography.ResultsCFR was significantly lowest in the active period of the IBD [2.26 [2.08-2.55] vs. 2.55 [2.18-3.00] and 3.10 [2.85-3.29] p<0.001]. CFR is negatively correlated with disease activity scores of IBD.ConclusionThis study showed that CFR is more prominently disturbed in patients with IBD in activation. The activation of disease may have a major role in the progression of coronary microcirculatory dysfunction and future cardiovascular events.Copyright © 2016 Elsevier Ireland Ltd. All rights reserved.

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