SUMMARYBackground: Patients with inflammatory bowel disease have an increased risk of thrombotic complications; moreover, mesenteric microvascular thrombosis has been hypothesized as a contributing factor in the pathogenesis of inflammatory bowel disease. Aim: To assess the extent of subclinical atherosclerosis in inflammatory bowel disease by measuring the intima-media thickness of the common carotid artery. Methods: Fifty-two patients were enrolled in the study. Patients aged >45 years, with a history of cardiovascular disease and known risk factors for atherosclerosis were excluded from the study. Twenty healthy subjects were studied as controls. Carotid ultrasonography was performed in all patients and controls. intima-media thickness was measured proximal to the carotid bifurcation

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Individuals with inflammatory bowel disease frequently experience increased systemic thromboembolic complications, which represent an important cause of morbidity and mortality. Risk factors for thrombosis can be inherited or acquired. The most common inherited risk factors for thromboembolism are factor V Leiden mutation, G20210A mutation in the prothrombin gene, and homozygous C677T mutation in the methylenetetrahydrofolate reductase gene. In the last few years, a great amount of literature has focused on the prevalence of such genetic mutations and their role in determining thrombosis in IBD patients. In this review, we summarize the results of these studies.