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SN Gitel and S Wessler
One-hundred and fifty-one rabbits, divided into controls and animals
treated with varying daily doses of warfarin, were subjected to the stasis
assay, and the amount of thrombosis quantitated after intravascular
coagulation was initiated either by activated factor X or tissue
thromboplastin. Following 8-10 days of warfarin administration, there was a
significant dose-dependent decrease in the vitamin-K- dependent coagulation
factors paralleled by an increase in the prothrombin time ratio. Whether
thrombosis was initiated by activated factor X or tissue thromboplastin,
there was, with increasing drug dose, a progressive increase in the
inhibition of stasis thrombosis. This significant antithrombotic effect
occurred even when the vitamin-K- dependent coagulation activities were at
a mean value of 50%.
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| Copyright © 1983 by American Society of Hematology Online ISSN: 1528-0020 | |||||||||