【摘要】 Tako-tsubo心肌病,是指患者具有急性冠状动脉综合征表现而冠状动脉正常。发病前常有情绪或机体应激。临床症状为突发胸痛,新出现的心电图改变;一过性的室壁运动异常和左心室射血分数明显降低。心肌酶通常正常或轻度升高。潜在的机制可能包括:冠状动脉多支血管痉挛;冠状动脉微循环功能障碍或痉挛;儿茶酚胺介导的心肌功能障碍等。更多还原

【Abstract】 Tako-tsubo cardiomyopathy has been described as being related to acute coronary syndrome with normal coronary arteries.Emotional or physical stress usually precedes this cardiomyopathy.It is characterized by acute onset of chest pain;new electrocardiographic changes;transient wall motion abnormal and left ventricular ejection decrease;serum myocardial creatine kinase are often normal or only slightly elevated.Underlying mechanisms include epimyocardial vasospasm;microcirculation disturbance;catecholamine-triggered myocyte injury and others.更多还原