| QT间期动态性对急性心肌梗死患者心律失常事件的预测价值 |
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| 引用本文： | 何谨. QT间期动态性对急性心肌梗死患者心律失常事件的预测价值[J]. 实用预防医学, 2011, 18(7): 1318-1320 |
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| 作者姓名： | 何谨 |
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| 作者单位： | 南华大学附属第一医院,湖南衡阳,421001 |
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| 摘 要： | 目的研究QT间期频率依赖性在心肌梗死（AMI）患者心律失常事件预测中的作用。方法选取120例冠心病心肌梗死患者。询问病史并行心脏超声、心电图和动态心电图检查。检测QT间期离散度（QTd）、QT/RR相关直线的斜率、心率变异性（SDNN）、左室舒张末期内径（LVEDD）、左室射血分数（LVEF）、24 h室性早搏（VPB）和非持续性室性心动过速（NSVT）的次数。随访AMI患者6个月,心律失常事件为持续性室速（VT）,心室颤动（VF）或心脏性猝死。结果 AMI心律失常事件组和无心律失常事件组比较,QTd、QTe/RR（QTe为Q波起始至T波终点的间期）和QTp/RR（QTp为Q波起始至T波顶点的间期）斜率、VPB、NSVT、LVEDD、QTe/RR和QTp/RR斜率、LVEF、SDNN的差异有统计学意义。结论 QT间期频率依赖性对冠心病患者心律失常事件有较高的预测价值,并可进一步提高NSVT和LVEF的预测价值。
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| 关 键 词： | 冠心病 心肌梗死 QT间期频率依赖性 心律失常事件 |
Predictive Value of QT Interval Dynamicity for Arrhythmic Event in Patient with Acute Myocardial Infarction |
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| HE Jin. Predictive Value of QT Interval Dynamicity for Arrhythmic Event in Patient with Acute Myocardial Infarction[J]. Practical Preventive Medicine, 2011, 18(7): 1318-1320 |
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| Authors: | HE Jin |
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| Affiliation: | HE Jin(The First Affiliated Hospital of Nanhua University,Hengyang 421001,Hunan,China) |
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| Abstract: | Objective To study the predictive value of QT interval dynamicity for arrhythmic event in patient with acute myocardial infarction(AMI).Methods One hundred and twenty patients with AMI(AMI group) were enrolled in this study.Investigations included history collection,clinical examination,echocardiography,electrocardiogram and 24-hour ambulatory electrocardiogram.Following indexes were determined: left ventricle end diastolic dimension(LVEDD),left ventricle ejection fraction(LVEF),QT dispersion(QTd),SDNN,the ... |
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| Keywords: | Coronary heart disease Myocardial infarction QT interval dynamicity Arrhythmic events |
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