The effect of acenocoumarol on hemorheological variables was measured in 35 non-valvular chronic atrial fibrillation patients before starting oral anticoagulant therapy (basal) and one and two months after beginning treatment (INR-2,3). Fibrinogen increased significantly from the basal situation: 332+/-99 mg/dl to 386+/-96 mg/dl in the second month (p<0.05). However, this small increase in fibrinogen is not large enough to mediate other rheological changes, and whole blood filterability, blood viscosity, plasma viscosity and erythrocyte deformability and aggregability remained unchanged after treatment. These results suggest that acenocoumarol does not affect rheological parameters and can therefore be used as a "neutral drug" for rheological studies in cardiovascular patients under oral anticoagulant therapy.
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The effect of acenocoumarol on hemorheological parameters.
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August 2001
Hemorheology and Thrombosis Unit, Department of Clinical Pathology, La Fe University Hospital, Valencia, Spain.
The effect of acenocoumarol on hemorheological variables was measured in 35 non-valvular chronic atrial fibrillation patients before starting oral anticoagulant therapy (basal) and one and two months after beginning treatment (INR-2,3). Fibrinogen increased significantly from the basal situation: 332+/-99 mg/dl to 386+/-96 mg/dl in the second month (p<0.05).
View Article and Find Full Text PDFHemorheological alterations and hypercoagulable state in deep vein thrombosis.
Clin Hemorheol Microcirc
December 1998
Hemorheology Unit, Clinical Pathology, LA FE Hospital, Valencia, Spain.
Deep vein thrombosis (DVT) seems to be related to a hypercoagulation and definite hemorheological alterations, but the importance of these alterations in the development of thrombotic events in the deep vein system has not been established. The present study examines both aspects in a group of 55 patients with DVT; the presence of a hypercoagulable state was assessed by quantifying the prothrombin fragment 1+2 (F1+2) and the thrombin-antithrombin III complex (T-AT), and the main hemorheological parameters were evaluated in the acute state and 6 and 12 months later. The results show marked hemorheological, F1+2, and TAT alterations in the acute phase.
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