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1 引 言不稳定型心绞痛 (unstableangina ,UA)是指介于稳定型心绞痛和急性心肌梗死之间的一组临床心绞痛综合征 ,是由于粥样斑块破裂伴血栓形成和血管收缩使心肌供血减少所致。常因斑块结构不稳定、增大和斑块内巨噬细胞吞噬或分泌蛋白分解酶 (如纤溶酶原激活物及基质金属蛋
1 Introduction unstable angina (UA) refers to a group of clinical angina pectoris between stable angina pectoris and acute myocardial infarction, which is caused by the rupture of atherosclerotic plaque and the reduction of myocardial blood supply due to vasoconstriction To Often due to plaque instability, increase and plaque macrophages phagocytosis or secretion of proteolytic enzymes (such as plasminogen activator and matrix metal egg