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(本文代号):1.AMI:急性心肌梗塞2.AMI—LMCA左主干冠脉闭塞引起的急性心肌梗塞3.LMAC:左冠状动脉主干4.IABP:主动脉内气囊反搏5.PTCR,经皮冠状动脉内溶栓疗法6.PTCA:经皮冠状动脉成形术7.CAG:冠状动脉造影8.CABG 冠状动脉旁路手术9.ST:综合ST 改变10.LAD:冠状动脉左前降支LMCA 闭塞极为罕见,约占冠状动脉造影的0.04—0.3%。LMCA 供给心肌大约63.8%的血液,故LMCA一旦闭塞,几乎全部病人突然死亡,能抢救成功的病例极少。近年来,由于AMI 后,紧急CAG 和PTCR 的开展,发现AMI—LMCA 与一般心肌梗塞迥然不同,具有特殊的EKG 和临床表现,且病情危重,常迅速恶化死亡。故临床上能及时地认识AMI—LMCA以便迅速采取有效的措施,挽救病人生命,是极其重要的。
(Article code): 1. AMI: acute myocardial infarction 2. AMI-LMCA left main coronary artery occlusion caused by acute myocardial infarction 3. LMAC: left main coronary artery 4. IABP: intra-aortic balloon pump 5. PTCR, Intracoronary thrombolysis 6. PTCA: Percutaneous transluminal coronary angioplasty 7. CAG: Coronary angiography 8. CABG coronary artery bypass surgery 9. ST: Combined ST changes 10. LAD: Left anterior descending coronary artery LMCA occlusion Extremely rare, accounting for 0.04-0.3% coronary angiography. LMCA supplies about 63.8% of the blood to the myocardium, so once the LMCA is occluded, almost all patients suddenly die and there are very few cases of successful rescue. In recent years, due to AMI, emergency CAG and PTCR carried out, found that AMI-LMCA and general myocardial infarction are very different, with special EKG and clinical manifestations, and critically ill, often rapidly deteriorating deaths. Therefore, it is extremely important that the AMI-LMCA can be timely and clinically understood in order to take prompt and effective measures to save the patient’s life.