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目的分析急性非ST段抬高心肌梗死(NSTEMI)患者的临床特点及冠状动脉介入手术特征。方法 302例急性心肌梗死患者行经皮腔内冠状动脉介入治疗(PCI),NSTEMI患者42例,STEMI患者260例;对两组患者的临床资料及PCI特点进行回顾分析。结果 NSTEMI组女性、老年发生率明显高于STEMI组;NSTEMI组合并高血压、糖尿病、血脂异常症发生率明显高于STEMI组;NSTEMI组心肌损伤标记物水平明显低于STEMI组;NSTEMI组患者出院前左室射血分数(LVEF)≤55%发生率明显低于STEMI组;NSTEMI组多支病变高于STE-MI组;两组PCI即刻成功率、TIMI血流及死亡率无统计学差异。结论 NSTEMI老年人,女性发生率高,合并危险因素多,多支病变多见,两组PCI即刻成功率均高,未见严重不良反应,不良事件与STEMI患者相似。
Objective To analyze the clinical features and the characteristics of coronary artery intervention in patients with acute non-ST-segment elevation myocardial infarction (NSTEMI). Methods 302 patients with acute myocardial infarction underwent percutaneous coronary intervention (PCI), 42 patients with NSTEMI and 260 patients with STEMI. The clinical data and PCI features of the two groups were retrospectively analyzed. Results The incidence of elderly and elderly patients in NSTEMI group was significantly higher than that in STEMI group. The incidence of hypertension, diabetes and dyslipidemia in NSTEMI group was significantly higher than that in STEMI group. The levels of myocardial injury markers in NSTEMI group were significantly lower than those in STEMI group. The incidence of left ventricular ejection fraction (LVEF) ≤ 55% was significantly lower than that of STEMI group. The multi-vessel disease in NSTEMI group was higher than that of STE-MI group. There was no significant difference between two groups in immediate success rate of PCI and TIMI flow rate and mortality. Conclusions The incidence of NSTEMI in elderly and females is high. There are many combined risk factors and multi-vessel disease. The success rate of immediate PCI in both NSTEMI patients is high, with no serious adverse reactions. The adverse events are similar to STEMI patients.