期刊
THROMBOSIS RESEARCH
卷 125, 期 3, 页码 278-282出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.thromres.2009.10.012
关键词
Inflammatory bowel diseases; Thrombin generation; Inflammation
Background: Inflammatory bowel diseases (IBD) are characterized by an increased thrombotic risk of uncertain etiology. Endogenous thrombin potential (ETP), a parameter of the thrombin generation curve, represents a new tool in the evaluation of thrombotic and bleeding disorders. Aims: To study ETP in IBD patients and to correlate the results with clinical and biochemical features. Methods: Seventy-four IBD patients (37 ulcerative colitis and 37 Crohn's disease) and 74 sex- and age-matched healthy individuals. ETP was measured upon activation of coagulation with small amounts of tissue factor and phospholipids in the presence or absence of thrombomodulin; results were expressed as nM thrombin.minutes. Results: Mean +/- SD ETP values were significantly higher in patients (1,499 +/- 454) than controls (1,261 +/- 385) (p<0.001) only when the test was performed in the presence of thrombomodulin. ETP evaluated as ratio (with/without thrombomodulin), taken as an index of hypercoagulability, was significantly higher in patients (0.69 +/- 0.14) than controls (0.62 +/- 0.18) (p<0.006). Patients with increased C-reactive protein (CRP) had significantly higher mean ETP (1,721 +/- 458) than those with normal CRP (1,357 +/- 394) or controls (1,261 +/- 385) (p<0.001). Patients who at the time of blood sampling were classified as having a clinically active disease had ETP higher than those who were quiescent (1,655 +/- 451 versus 1,388 +/- 427, p<0.001) or controls (1,261 +/- 385, p<0.001). Conclusions: ETP measured in the presence of thrombomodulin or as ratio (with/without thrombomodulin) is increased in IBD patients, mainly in those with increased CRP or active disease. It may be considered as a candidate test for prospective studies aimed at assessing the risk of thrombosis in IBD patients. (C) 2009 Elsevier Ltd. All rights reserved.
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