The anticoagulant mechanism of action of heparin in contact-activated plasma: inhibition of factor X activation.

Abstract

The effects of heparin on the activation of blood coagulation factors IX and X in contact-activated plasma were determined in the present study. In the presence and absence of 0.5 U/mL heparin, the amounts of factor IX that were cleaved 30 minutes after the addition of calcium and phospholipid to plasma exposed to glass (ie, contact activated) were… (More)

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