期刊
THROMBOSIS AND HAEMOSTASIS
卷 96, 期 5, 页码 562-567出版社
GEORG THIEME VERLAG KG
DOI: 10.1160/TH06-03-0179
关键词
thrombin generation; thrombomodulin; hypercoagulability; calibrated automated thrombogram; venous thromboembolism
There is currently no validated method to detect a prothrombotic phenotype. The question remains, can tissue factor (TF) induced thrombin generation (TG), as measured with the calibrated automated thrombinography (CAT) technique, according to Hemker et al., recognise a prothrombotic state either as such, or when the activated protein C (APC)-system is boosted with thrombomodulin (TM)? We determined the normal range of CAT-TG +/- TM in a group of 71 healthy blood donors, in 11 healthy women using oral contraceptives (OC), and in 89 patients with a history of venous thromboembolism (VTE), divided into a group of 50 in which a prothrombotic risk factor could be found (VTEprf+) and 39 others (VTEprf-). The endogenous thrombin potential (ETP) in the OC,VTEprf+ and VTEprf-group was significantly higher than for the controls. In the presence of TM, the differences were significantly higher than in its absence. The VTEprf+ group had a higher ETP, TM than the VTEprf-group. In conclusion,TG, measured with the CAT technique in the presence of TM is capable of detecting the prothrombotic phenotype with a high sensitivity of 0.93 (95% confidence limits 0.82-0.99).
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