动态心电图检测微伏级T波电交替与冠心病的关系

摘要

[Abstract ]Objective Aim To discuss coronary heart disease patients with microvolt T wave alternating changes.Method Choose 72 cases of hospitalized patients who were suspected coronary heart disease (CHD) and made coronary arteriography and holter in 2013, 10 to 2014, 12 in Inner Mongolia medical university first affiliated hospital of cardiology history.Normal coronary angiography or coronary stenosis < 50% for the control group,Confirmed by coronary angiography relevant coronary artery stenosis > 75% for lesion group,Pathological changes of which were angina and myocardial infarction group.Analysis of two groups of holter with BENEWARE,Compare microvolt T wave alternating positive detection rate.Result Control group MTWA positive rate was 66.6%, lesion group MTWA positive was 66.6%, There were no significant differences in group(P>0.05). Angina pectoris, myocardial infarction group and control group to have a MTWA positive was 66.6% respectively. There were no significant differences(P>0.05). Conclusion Control group and esions group positive MTWA have no difference, so microvolt T wave alternating positive for X, Y, Z and VM of any lead or lead two adjacent chest Valt is greater than or equal to 7.6 uV detection method and positive MTWA standards remains to be determined.%目的：探讨动态心电图时域法检测微伏级T波电交替（MTWA）与冠心病的关系。方法选择内蒙古医科大学附属医院心内科疑诊冠心病并行冠脉造影及24 h动态心电图检查的住院患者72例。将冠状动脉造影正常或冠脉狭窄<50％者为对照组，冠脉狭窄>75%为病变组，其中病变组分心绞痛组及心肌梗死组，采用杭州百慧动态心电图系统记录24 h动态心电图，分析各组微伏级T波电交替的阳性检出率。结果对照组MTWA阳性率为66.6%，病变组MTWA阳性率为66.6%，两组间比较无统计学差异（P＞0.05）。心绞痛组、心肌梗死组、对照组MTWA阳性率均为66.6%，组间比较无统计学差异（P＞0.05）。结论动态心电图微伏级T波电交替Valt大于或等于7.6μV的阳性检测标准有待进一步探讨。