急性冠状动脉综合征抗凝治疗
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凝血与抗凝
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血栓形成的条件
血管壁或者内皮细胞损伤
激活内源或者外源凝血系统
血液流变学因素
血液淤积、流速变慢
血液成分的变化
高凝状态
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Diagram of thrombin molecule
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Role of thrombin in haemostasis
Coagulation system
Cleave fibrinogen to form fibrin monomer
Activate factor XIII(leading to cross-linked fibrin formation)
Activate factor V and factor VIII(positive feedback loop)
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Role of thrombin in haemostasis
Platelet
Direct activation leading to expression of surface GPⅡb/Ⅲa receptor
Induce platelet aggregation
Stimulate release of thromboxane A2 and ADP
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Role of thrombin in haemostasis
Vascular wall
Induce leukocyte chemotaxix
Smooth muscle cell mitogenesis
Release of growth factors, cytokines and vasoactive agents, especially PDGF、b-FGF and c-fos
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急性冠状动脉综合征的分型及其危险分层
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