回旋支急性闭塞心电图表现及相关临床表现和病变血管特点

来源期刊：广州医药 | 279-283 发布时间：2024-04-12 收稿时间：2025/11/13 18:50:09 阅读量：19

作者：: 文传辉,

刘阳贵,

李北方,

刘飞,

李勇,

关键词：: 心电图回旋支急性闭塞急性心肌梗死病变血管主要心血管不良事件; electrocardiogram acute occlusion of the circumflex branch acute myocardial infarction pathological blood vessels major cardiovascular adverse events

DOI：: 10.3969/j.issn.1000-8535.2024.03.010

收稿时间：: 2023-09-22
修订日期：
接收日期：
引用总数：: 0

目的探讨与分析回旋支急性闭塞的心电图表现及相关临床表现和病变血管特点。方法选择2018年1月—2023年6月在鹤壁市人民医院诊治的回旋支闭塞引起急性心肌梗死46例,检测与调查患者的心电图表现、相关临床表现、病变血管特点,随访患者的预后情况。结果在46例患者中,冠状动脉造影检查判断为近中段闭塞23例（近中段组）,远段闭塞23例（远段组）。近中段组与远段组一般资料比较差异无统计学意义（P>0.05）。近中段组的心电图特征中的ST V1~ V3压低、ST Ⅱ、Ⅲ、aVF抬高、ST Ⅱ、Ⅲ、aVF压低、TV2>TV5、ST Ⅰ~aVL压低、ST Ⅰ~aVL 抬高、ST V7~V9抬高等占比分别为60.87%、47.83%、8.70%、43.48%、69.57%、17.39%、60.87%,远段组的占比分别为4.35%、82.61%、0%、17.39%、30.43%、8.70%、60.87%;近中段组与远段组心电图表现有相似处及各自特征。所有患者随访至2023年8月1日,近中段组与远段组的平均随访时间为（32.69±4.20）个月与（32.92±3.28）个月,近中段组与远段组心血管不良事件发生率比较差异无统计学意义（P>0.05）。受试者操作特征（ROC）曲线分析显示心电图对近中段回旋支急性闭塞患者的预测曲线下面积为0.793（95%CI：0.678~0.914,P=0.000）,灵敏度为78.22%,特异度为81.91%。结论心电图在急性梗死患者的应用能辅助判定梗死相关动脉回旋支状况,可辅助判断患者的梗死部位,对患者的预后评估也具有重要价值。

Objective To explore and analysis the electrocardiogram manifestations,related clinical manifestations and pathological vascular characteristics of acute occlusion of the circumflex branch. Methods A total of 46 cases of acute myocardial infarction caused by circumflex branch occlusion diagnosed and treated in Hebi People's Hospital from January 2018 to June 2023 were selected as the study subjects,and the electrocardiographic manifestations,related clinical manifestations and characteristics of diseased blood vessels of the patients were detected and investigated,and the prognosis of the patients was followed up. Results Among the 46 patients,23 cases were diagnosed with proximal mid-segment occlusion（proximal mid-segment group）and 23 cases were diagnosed with distal segment occlusion（distal segment group）by coronary angiography．There was no significant difference in the comparison of the general data of the two groups（P>0.05）．The ECG features of ST V1- V3 depression,ST Ⅱ,Ⅲ,aVF elevation,ST Ⅱ,Ⅲ,aVF depression,TV2>TV5,ST I-aVL depression,ST I-aVL elevation and ST V7-V9 elevation in the proximal mid-segment group were 60.87%,47.83%,8.70%,43.48%,and 69.57%,17.39%,60.87%,and 4.35%,82.61%,0%,17.39%,30.43%,8.70%,60.87% in the distal segment group;there were similarities in the electrocardiographic manifestations of the proximal mid-segment group and the distal segment group as well as their respective characteristics．All patients were followed up until August 1,2023,and the mean follow-up time of the proximal mid- and distal segment groups was 32.69±4.20 months versus 32.92±3.28 months,and the incidence of adverse cardiovascular events was 26.09% in the proximal mid-group．There was no difference in the incidence of cardiovascular adverse events between the two groups（P>0.05）．ROC curve analysis showed that the area under the prediction curve of electrocardiogram for patients with acute occlusion of the proximal circumflex artery were 0.793（95% CI：0.678-0.914,P<0.001）,sensitivity was 78.22% and specificity was 81.91%．Conclusions Electrocardiogram has important predictive value in diagnosing acute myocardial infarction in which the infarct related artery is a circumflex branch．It can auxiliary determine the infarct site of patients and also auxiliary evaluate the prognosis of acute myocardial infarction patients．

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