儿童心脏神经官能症心率变异性时域指标分析
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【摘要】目的探讨心率变异性时域指标在儿童心脏神经官能症中的临床意义。方法采用动态心电图，结合时域方法，对25例心脏神经官能症患儿和23例正常儿童进行心率变异性(HRV)分析。结果24 h rMSSD观察组低于对照组，两组比较有统计学意义(P<0.05)；观察组SDNN Index、PNN50低于对照组，SDNN高于对照组，差异均无显著性(P>0.05)。结论心脏神经官能症患儿迷走神经活性减低。
【关键词】儿童；心脏神经官能症；心率变异性；时域
Time domain analysis of heart rate variability in cardioneurosis on children GAO Xiao-jie,LIU Cong.Shenzhen Children Hospital,Shenzhen 518026,China
【Abstract】ObjectiveTo investigate the clinical signifcance of time domain analysis of heart rate variability in cardioneurosis on children.MethodsTime domain indexes of heart rate variability was comparatively analyzed between 25 cases in cardioneurosis and 23 healthy children.Results24 h rMSSD of the observation group was lower than that of the control group,there were no difference(P<0 ......
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