Increased thrombin generation in inflammatory bowel diseases

Thrombosis Research
Simone SaibeniArmando Tripodi

Abstract

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. To study ETP in IBD patients and to correlate the results with clinical and biochemical features. 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. 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 ...Continue Reading

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