QT离散度与严重室性心律失常的关系  

Relationship between QT Dispersion and Severe Ventricular Arrhythmias

作　　者：叶永刚[1] 沈泽宁[1] 乐锦艺[1] 

机构地区：[1]上海市长宁区中心医院心内科,上海200336

出　　处：《中成药》2001年第11期804-806,共3页Chinese Traditional Patent Medicine

摘　　要：目的 :探讨QT离散度 (QTd)与严重室性心律失常的关系。方法 :2 0 0 0年 1月～ 2 0 0 1年 6月 ,在本院确诊为冠心病者 12 8例 ,行动态心电图检查出 4 8例严重室性心律失常者 ,4 6例非严重性室性心律失常者 ,测量其QTd ,并与 3 4例冠心病者无室性心律失常对照组比较。方法 :发现严重室性心律失常组QTd较正常对照组明显延长 ,差异有高度显著性 (P<0 .0 1) ;非严重性室性心律失常组QTd与正常对照组比较 ,亦有延长 ,但差异无显著性。结论 :提示QTd延长与严重室性心律失常之间的关系较非严重性室性心律失常更密切。Objective:To study the relationship between QT dispersion and severe ventricular arrhythmias.Methods:of 128 patients diagnosed as coronary heart diseasec (CHD), the severe ventricular arrhythmiae was detected by electrocardiogram in 48 patients and the unsevere ventricular arrhythmias was detected in 46 patients. Their QTd were measured and compared with the control group 34 patients with wronary heart disease, but without ventricular arrhythmias.Results:QTd was especially prolbyged in severe ventricular arrhythmia group than those in control group (P<0.01). QTd of unsevere ventricular arrhythmia group was also longer than the control group, but there was no obvious difference between them.Conclusion:There was closer relationship between the prolongation of QTd and severe ventricular arrhythmias than unsevere ventricular arrhythmia.

关 键 词：QT离散度 室性心律失常 相互关系 心电图 

分 类 号：R541.7[医药卫生—心血管疾病] R540.41[医药卫生—内科学]