12导联动态心电图结合CT血管造影对无症状心肌缺血的诊断价值

doi:10.7517/issn.1674-0475.200207

影像科学与光化学 ›› 2020, Vol. 38 ›› Issue (4): 739-743.DOI: 10.7517/issn.1674-0475.200207

12导联动态心电图结合CT血管造影对无症状心肌缺血的诊断价值

廖品亮¹, 李海玲², 张志辉¹, 曲小龙¹, 庄国强¹, 马源秋子¹

1. 陆军军医大学第一附属医院(重庆西南医院), 重庆 400038;
2. 重庆康华众联心血管病医院, 重庆 400000

收稿日期:2020-02-24 出版日期:2020-07-15 发布日期:2020-07-15

Diagnostic Value of 12-lead Dynamic Electrocardiogram Combined with CT Angiography in Asymptomatic Myocardial Ischemia

LIAO Pinliang¹, LI Hailing², ZHANG Zhihui¹, QU Xiaolong¹, ZHUANG Guoqiang¹, MA Yuanqiuzi¹

1. The First Hospital Affiliated to AMU(Southwest Hospital), Chongqing 400038, P. R. China;
2. Chongqing Kanghua Zhonglian Cardiovascular Hospital, Chongqing 400000, P. R. China

Received:2020-02-24 Online:2020-07-15 Published:2020-07-15

摘要/Abstract

摘要： 随机选取疑似无症状心肌缺血（SMI）患者98例，均进行12导联动态心电图检查和计算机断层扫描冠状动脉造影（CTA）检查，分析患者冠脉狭窄程度及无症状心肌缺血发作情况。并以冠状动脉造影（CAG）结果为依据，比较12导联动态心电图、CTA和二者联合应用诊断SMI的准确度、灵敏度和特异度。结果表明，CTA诊断的灵敏度和准确度显著高于12导联动态心电图（P<0.05），二者联合诊断的灵敏度、特异度均显著高于单独应用CTA或动态心电图（P<0.05）。上述结果提示，12导联动态心电图和CTA两种检查联合应用对SMI的诊断价值显著，可广泛应用于临床，为SMI的诊断和病情评估提供切实可行的参考。

关键词: 无症状心肌缺血, 12导联动态心电图, 计算机断层扫描冠状动脉造影

Abstract: A total of 98 patients with suspected asymptomatic myocardial ischemia (SMI) were enrolled. All patients underwent 12-lead dynamic electrocardiography and computed tomography coronary angiography (CTA). The degree of coronary stenosis and the status of asymptomatic myocardial ischemia were analyzed. Based on the results of coronary angiography (CAG), the accuracy, sensitivity, and specificity of 12-lead dynamic electrocardiogram, CTA, and the combination of two methods were compared. The sensitivity and accuracy of CTA were significantly higher than that of 12-lead dynamic electrocardiogram (P<0.05). The sensitivity and specificity of the combined examination were significantly higher than those of CTA or dynamic electrocardiogram alone (P<0.05). Above results show that the combined application of 12-lead dynamic electrocardiogram and CTA have significant value in the diagnosis of SMI. They can be widely used in clinical practice, and provide a practical reference for the diagnosis and evaluation of SMI.

Key words: asymptomatic myocardial ischemia, 12-lead dynamic electrocardiogram, computed tomography coronary angiography

廖品亮, 李海玲, 张志辉, 曲小龙, 庄国强, 马源秋子. 12导联动态心电图结合CT血管造影对无症状心肌缺血的诊断价值[J]. 影像科学与光化学, 2020, 38(4): 739-743.

LIAO Pinliang, LI Hailing, ZHANG Zhihui, QU Xiaolong, ZHUANG Guoqiang, MA Yuanqiuzi. Diagnostic Value of 12-lead Dynamic Electrocardiogram Combined with CT Angiography in Asymptomatic Myocardial Ischemia[J]. Imaging Science and Photochemistry, 2020, 38(4): 739-743.

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12导联动态心电图结合CT血管造影对无症状心肌缺血的诊断价值

Diagnostic Value of 12-lead Dynamic Electrocardiogram Combined with CT Angiography in Asymptomatic Myocardial Ischemia

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