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止血是人体主要保护机制之一,可防止血管损伤后出血不止而危及生命。正常止血过程靠血管、血小板和血浆凝血因子三者互相之间复杂的功能来完成。三者中任何一方面异常可引起凝血异常——止血障碍或血栓形成。近来,发现血小板在动脉血栓形成及动脉粥样硬化发生上有一定作用,一些疾病中血小板反应性增高,应用抗血小板药物常可使病情好转,本文综述有关资料。
Hemostasis is one of the main mechanisms of human protection, to prevent bleeding and more than endanger life after vascular injury. The normal process of hemostasis by the blood vessels, platelets and plasma coagulation factors among the three complex functions to complete. Abnormalities in either of the three can cause coagulation abnormalities - hemostatic disorders or thrombosis. Recently, platelets have been found to play a role in arterial thrombosis and atherosclerosis, with increased platelet reactivity in some diseases. The use of antiplatelet drugs often improves the condition. This article reviews the data.