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目的:探讨首次急性心肌梗死(AMI)患者冠状动脉侧支循环(CC)的临床特征。方法:AMI患者103例,24 h内行冠状动脉造影及介入治疗,按有无CC分为2组,对比分析临床资料及冠状动脉造影、左室造影的特点。结果:有CC组中糖尿病发生率和有吸烟、饮酒史者的比率显著低于无CC组,高血压、梗死前心绞痛、非ST段抬高型心肌梗死(NSTEMI)发生率明显高于无CC组,心功能不全发生率、CK和CK-MB峰值浓度显著低于无CC组。有CC组中多支血管病变发生率显著高于无CC组,单支血管发生率显著低于无CC组;室壁运动积分、室壁瘤发生率也明显低于无CC组。结论:糖尿病不利于CC形成,存在CC患者冠状动脉3支病变比例高,CC有利于保护心肌梗死面积。
Objective: To investigate the clinical features of coronary collateral circulation (CC) in patients with first acute myocardial infarction (AMI). Methods: 103 patients with AMI underwent coronary angiography and interventional therapy within 24 hours. According to the presence or absence of CC, the patients were divided into two groups. The clinical data, coronary angiography and left ventricular angiography were compared. Results: The incidence of diabetes mellitus and smoking and drinking history in CC group was significantly lower than that in non-CC group, hypertension, pre-infarction angina, non-ST-segment elevation myocardial infarction (NSTEMI) Group, the incidence of cardiac dysfunction, CK and CK-MB peak concentration was significantly lower than without CC group. The incidence of multivessel disease in CC group was significantly higher than that in non-CC group, and the incidence of single vessel was significantly lower than that of non-CC group. The incidence of ventricular wall motion and ventricular aneurysm was also significantly lower than that of non-CC group. Conclusion: Diabetes is not conducive to the formation of CC, there is a high proportion of coronary artery disease in CC patients with CC, CC is conducive to the protection of myocardial infarction area.