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首页> 美国卫生研究院文献>Journal of Cardiovascular and Thoracic Research >The association of right coronary artery conus branch size and course with ST segment elevation of right precordial leads and clinical outcome of acute anterior myocardial infarction
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The association of right coronary artery conus branch size and course with ST segment elevation of right precordial leads and clinical outcome of acute anterior myocardial infarction

机译：右冠状动脉圆锥分支大小和病程与右心前区导联ST段抬高和急性前壁心肌梗死的临床结局的关系

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>Introduction: Coronary artery disease is the leading cause of death worldwide and electrocardiogram (ECG) is a reliable diagnostic tool to determine a myocardial infarction. The present study tried to compare the relationship between the ECG findings and angiographic findings in patients with acute anterior myocardial infarction. >Methods: Seventy-four patients with acute anterior ST elevation myocardial infarction (Ant- STEMI) presenting to the emergency room in the first 12 hours after the onset of symptoms were studied. Upon admission, a full 14-lead ECG (including leads V3R and V4R) were performed. Angiographic and ECG findings, as well as clinical outcome were compared between two groups. The statistical tests including Chi-square and independent t-test were used for data analysis. >Results: Small conus branch was seen in 52 (70.3%) and large conus in 22 ( 29.7%) patients. STE in right-sided leads and heart failure were significantly higher in small conus branch group versus large conus branch (88.6% vs 11.4%, P < 0.001 and 34.6% vs 9.1%, P = 0.02 respectively). There was no significant difference in mortality rate between the two groups (5.8% in small conous group vs 0% in large conus group, P = 0.55). There was a significant difference in major adversecardiac events (MACE) between the two groups (51.9% in small conous group vs 18.2% in largeconus group, P = 0.01).>Conclusion: In patients with anterior MI, small conus branch was associated with higher rate ofmajor adverse cardiac events mostly because of increased rate of acute heart failure.
机译：>简介：冠状动脉疾病是全球范围内主要的死亡原因，心电图（ECG）是确定心肌梗塞的可靠诊断工具。本研究试图比较急性前壁心肌梗死患者心电图结果与血管造影结果之间的关系。 >方法：研究了在症状发作后的最初12小时内出现在急诊室的74例急性ST前抬高心肌梗死（Ant-STEMI）患者。入院后，进行完整的14导联心电图（包括V3R和V4R导联）。比较两组的血管造影和心电图结果以及临床结果。包括卡方检验和独立t检验在内的统计检验用于数据分析。 >结果：52例（70.3％）可见小圆锥支，22例（29.7％）出现大圆锥。小圆锥分支组的右侧导联和心力衰竭的STE明显高于大圆锥分支（分别为88.6％和11.4％，P <0.001和34.6％vs 9.1％，P = 0.02）。两组之间的死亡率没有显着差异（小圆锥杯组为5.8％，大圆锥杯组为0％，P = 0.55）。主要不良反应存在显着差异两组之间的心脏事件（MACE）（小静脉曲张组为51.9％，大静脉曲张组为18.2％圆锥组，P = 0.01）。>结论：在前部MI患者中，圆锥形小分支与较高的冠心病发生率相关主要的不良心脏事件主要是由于急性心力衰竭的发生率增加。

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