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Analysis of QT interval dispersion and heart rate variability in hypertension with left ventricular hypertrophy
Author(s): 
Pages: 208-210
Year: Issue:  4
Journal: JOURNAL OF CLINICAL CARDIOLOGY

Keyword:  高血压左室肥厚QT离散度心率变异性;
Abstract: 目的:探讨高血压病左室肥厚(LVH)与QT离散度(QTd)、心率变异性(HRV)的关系.方法:测量70例高血压非LVH(组Ⅰ)、62例高血压病LVH患者(组Ⅱ)和80例健康人(组Ⅲ)的QTd与校正的QTd(QTcd)及心率变异指数(HRVI),并对各组进行比较分析.结果:组ⅡQTd、QTcd较组Ⅰ、Ⅲ显著延长(均P<0.01),组ⅠHRVI较组Ⅲ显著减低(P<0.01),组Ⅱ较组Ⅰ、Ⅲ的HRVI显著减低(均P<0.01).结论:高血压病LVH的发生及其易出现各种并发症的原因可能与其QTd、QTcd的延长及HRVI的减低有关.
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