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急性心肌梗死是指冠状动脉供血中断引起的心肌坏死,急性心肌梗死的冠状动脉因粥样硬化而高度狭窄(多数>75%),并多数有符合病变及痉挛。常累及一支以上的冠状动脉支。急性心肌梗死(acute myocardial infarction,AMI)是威胁人类健康和引起死亡的主要疾病之一。尽早、持久、充分开通梗死相关血管可挽救更多的存活心肌,改善患者的愈后。
Acute myocardial infarction refers to myocardial necrosis caused by interruption of coronary artery blood supply. Coronary arteries of acute myocardial infarction are highly stenosed (mostly> 75%) due to atherosclerosis and most have pathological and spasticity. Often involving more than one branch of coronary artery. Acute myocardial infarction (AMI) is one of the major diseases that threaten human health and cause death. As early as possible, lasting, fully open the infarct-related blood vessels can save more surviving myocardium, improve the prognosis of patients.