12导联动态心电图联合CT血管造影诊断无症状心肌缺血的临床价值  

Clinical value of 12-lead dynamic electrocardiogram combined with CT angiography in the diagnosis of asymptomatic myocardial ischemia

作　　者：杜梦依 DU Mengyi(Cardiogram Room,Zhoukou Hospital of TCM,Zhoukou 466000,China)

机构地区：[1]周口市中医院心电图室,河南周口466000

出　　处：《临床医学研究与实践》2024年第34期127-130,共4页Clinical Research and Practice

摘　　要：目的分析12导联动态心电图联合CT血管造影对无症状心肌缺血的诊断价值。方法纳入2020年6月至2022年5月本院诊治的88例疑似无症状心肌缺血患者为研究对象,均行12导联动态心电图、CT血管造影及冠状动脉造影检查。比较冠状动脉造影阳性组和阴性组的12导联动态心电图结果、CT血管造影结果;以冠状动脉造影诊断结果为“金标准”,比较12导联动态心电图、CT血管造影单独及联合检查对无症状心肌缺血的诊断价值;分析12导联动态心电图、CT血管造影单独及联合检查与冠状动脉造影诊断结果的一致性。结果冠状动脉造影检出阳性58例,阴性30例;阳性组的QT间期、QTc间期显著长于阴性组(P<0.05)。阳性组的斑块数、总斑块体积、总斑块负荷、血管狭窄程度和重建指数均大于阴性组(P<0.05)。12导联动态心电图、CT血管造影联合检查对无症状心肌缺血的诊断准确度高于单独检查(P<0.05)。12导联动态心电图、CT血管造影联合检查与冠状动脉造影诊断一致性良好(Kappa=0.806)。结论12导联动态心电图联合CT血管造影对无症状心肌缺血的诊断效果良好,具有重要应用价值。Objective To analyze the diagnostic value of 12-lead dynamic electrocardiogram combined with CT angiography in asymptomatic myocardial ischemia.Methods A total of 88 patients with suspected asymptomatic myocardial ischemia diagnosed and treated in our hospital from June 2020 to May 2022 were included as the study objects.All patients underwent 12-lead dynamic electrocardiogram,CT angiography and coronary angiography examination.The results of 12-lead dynamic electrocardiogram and CT angiography were compared between the positive and negative groups of coronary angiography;with diagnostic results of coronary angiography as the"gold standard",the diagnostic value of 12-lead dynamic electrocardiogram,CT angiography alone and combined examination for asymptomatic myocardial ischemia was compared;the consistency of 12-lead dynamic electrocardiogram,CT angiography alone and combined examination with coronary angiography were analyzed.Results A total of 58 cases were positive and 30 cases were negative detected by coronary angiography;the QT interval and QTc interval in the positive group were significantly longer than those in the negative group(P<0.05).The number of plaques,total plaque volume,total plaque load,degree of vascular stenosis and reconstruction index in the positive group were higher than those in the negative group(P<0.05).The accuracy of combined examination of 12-lead dynamic electrocardiogram and CT angiography in the diagnosis of asymptomatic myocardial ischemia was higher than that of single examination(P<0.05).The combined examination of 12-lead dynamic electrocardiogram and CT angiography had good consistency with coronary angiography(Kappa=0.806).Conclusion 12-lead dynamic electrocardiogram combined with CT angiography has a good effect in the diagnosis of asymptomatic myocardial ischemia,and has important application value.

关 键 词：12导联动态心电图 CT血管造影 无症状心肌缺血 

分 类 号：R445.3[医药卫生—影像医学与核医学]