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  • Title: Antihemostatic effect of Hsien-Ho-T'sao (Agrimonia pilosa).
    Author: Wang JP, Hsu MF, Teng CM.
    Journal: Am J Chin Med; 1984; 12(1-4):116-23. PubMed ID: 6496395.
    Abstract:
    Bleeding time in rats was markedly prolonged after the administration of the water extract of Hsien-Ho-T'sao. This antihemostatic effect was more marked in the group of i.p. injection of the drug than in the group of p.o. administration for 2 or 7 consecutive days. Blood coagulation studies showed that plasma prothrombin time, activated partial thromboplastin time and stypven time were prolonged, while thrombin time and fibrinogen level were not changed. The thromboelastographic recording showed that reaction time was prolonged and maximal elasticity of clot was decreased. In addition, ADP- and collagen- induced aggregations of platelet-rich plasma were suppressed. In conclusion, the prolongation of the bleeding time might be due to both anticoagulant and antiplatelet action of the drug.
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