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Relation between Heart Rate Variability and Chronic Heart Failure and Effect of Euthyeox 50 on Heart Rate Variability
Pages: 643-645
Year: Issue:  6
Journal: Research of Traditional Chinese Medicine

Keyword:  chronic heart failureheart rate variabilityEuthyrox 50;
Abstract: Objective To probe the relationship between heart rate variability(HRV) and chronic heart failure(CHF),and to investigate the effect of Euthyrox 50 on HRV.Methods One hundred and fourteen patients(pts) CHF were divided into 3 groups based on heart function: Left heart failure group,right heart failure group and left and right heart failure group.And 38 healthy subjects served as normal group.Sixty pts with low T3 in all 114 pts were divided into routine treatment group(n=30) and Euthyrox group(n=30).The data of heart function and HRV in all pts with CHF were collected and compared pre-and post therapy.Results The HRV(SDNN,SDANN) in pts with CHF was lower than that in normal subjects(P<0.05 or P<0.01).The more severe the heart failure,the more lowly the HRV(P<0.01 in all).The SDNN and SDANN in pts with whole CHF were significantly lower than that in pts only with left or right CHF(P<0.05 or P<0.01).The SDNN and SDANN in Euthyrox group was different significantly pre-and post-treatment(P<0.05).Conclusion HRV could be used to judge the severity of CHF.There was no relationship probably between HRV and different heart disease.
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