亚健康者的短程心率变异性特征  

Characteristics of short-range heart rate variability in sub-health

作　　者：郭小玉[1] 沈红军[1] 李方洁[1] 

机构地区：[1]中国中医科学院望京医院,100102

出　　处：《临床心电学杂志》2011年第6期432-434,共3页Journal of Clinical Electrocardiology

摘　　要：目的探讨亚健康者的短程心率变异性和自主神经功能特征。方法对亚健康者的5min短程心率变异性的频域指标进行了观察,并与正常参考值对比分析。结果亚健康者的总功率、低频、低频标化、低频与高频的比值(LF/HF)均显著低于正常参考值;而高频标化则显著高于正常值。结论与正常人相比,亚健康者的自主神经功能总能量降低,且处于交感张力弱势,迷走张力相对强势,交感张力与迷走张力失平衡状态。Objective To discuss the characteristics of short-range heart rate variability and autonomic neural function in sub-health.Methods Five minutes short-range heart rate variability was measured in 48 sub-health persons.We observed the frequency domain parameters,and compared these parameters with the normal value.Results In the frequency domain parameters,the total power,LF,LFnorm and LF/HF were all significantly lower than normal,while HFnorm was significant higher than normal.Conclusions Compared with normal people,the autonomic neural function of sub-health was in lower total energy,weaker sympathetic tone,relative advantage of vagal tone,and imbalance state of sympathetic and vagal tone.

关 键 词：亚健康 短程心率变异性 自主神经功能 交感张力 迷走张力 

分 类 号：R540.4[医药卫生—心血管疾病] R749.99[医药卫生—内科学]