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  • Title: [Effect of heparin and ASA on changes of haemostasis induced by venous occlusion (author's transl)].
    Author: Vinazzer H, Loew D.
    Journal: Blut; 1978 May 18; 36(5):275-83. PubMed ID: 656635.
    Abstract:
    The influence of venous occlusion on plasmatic coagulation, on platelets, and on fibrinolysis was examined. After occlusion, activated factors XI and X could be demonstrated. Simultaneously, platelet aggregation induced by both collagen and epinephrine was increased. Fibrinolysis was found to be moderately enhanced. In patients taking acetylsalicylic acid (ASA), platelet functions were not altered by occlusion but the activation of plasmatic clotting factors was not influenced. Low dose heparin inhibited plasmatic activation but had no influence on the increase of platelet activities. By simultaneous administration of both substances, an additive effect was observed resulting in inhibition of plasmatic and platelet activation due to venous occlusion.
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