aVR导联ST段抬高患者冠脉病变特点及预后评价

Angiographic and clinical outcomes among patients with acute coronary syndromes presenting STsegment elevation in leads aVR

目的探讨心电图aVR导联ST段抬高对急性冠脉综合征患者远期预后的诊断价值。方法根据心电图有无aVR导联ST段抬高将878例急性冠脉综合征患者分为观察组和对照组。对比分析两组患者冠状动脉病变特点和一年内心血管事件发生率。结果对照组813例患者中,左主干病变10例、三支病变58例,一年内发生心血管事件21例。观察组65例患者中,左主干病60例、三支病变4例,一年内发生心血管事件9例。组间比较差异有统计学意义,p<0.05。aVR导联ST段诊断左主干病变的敏感性为92.3%,特异性为98.8%,阳性预测值为85.7%。结论心电图aVR导联ST段抬高对急性冠脉综合征患者左主干病变有较好的诊断价值,并对患者心血管事件发生率具有较高的预测价值。

Objective To investigate the diagnostic value of ST segment elevation in aVR lead in patients with acute coronary syndrome. Methods 878 patients with acute coronary syndrome were divided into observation group and control group according to the ST segment elevation of aVR segment of ECG. Comparative analysis of two groups of patients with coronary artery disease characteristics and the incidence of cardiovascular events in one year. Results in the control group, there were 813 cases, 58 cases of left main disease, three cases with 10 lesions, and 21 cases of cardiovascular events in one year. In the observation group, 65 cases of patients, 60 cases of left main disease, 4 cases of three lesions, 9 cases of cardiovascular events in one year. The difference between the groups was statistically significant, P〈0.05. The sensitivity of the av R segment of the ST lead segment was 92.3%, the specificity was 98.8%, the positive predictive value was 85.7%. Conclusion ST segment elevation in av R lead is a good diagnostic value in patients with acute coronary syndrome, and it has a high predictive value for the occurrence of cardiovascular events.