Abstract
Blood coagulation has been shown to play a role in the pathogenesis of local thrombus formation in coronary arteries. Increased plasma concentrations of thrombin activation markers such as fibrin monomers (FM) indicate coagulation activation. Therefore, we investigated FM plasma levels in 194 patients (127 nonanticoagulated and 67 anticoagulated) with stable coronary artery disease (CAD) and in 96 healthy controls. FM levels were significantly higher ( P<0.0001) in nonanticoagulated patients compared with healthy controls, whereas anticoagulated patients showed significantly lower ( P<0.0001) FM levels, respectively. FM levels above 0.50 mg/ml were associated with an odds ratio (OR) of 3.0 (95% confidence interval (CI), 1.7–5.5) for the presence of stable CAD in nonanticoagulated patients. However, the association lost significance after correction for possible confounders such as age, body mass index, total cholesterol, fibrinogen, sex, smoking, arterial hypertension and diabetes mellitus. In conclusion, we found elevated FM plasma levels in nonanticoagulated patients as compared with healthy controls. Elevated FM plasma levels were associated with an OR of 3.0 for the presence of stable CAD in nonanticoagulated patients.
Published Version
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