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KMID : 0363620090300010120
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Journal of Korean Oriental Medicine
2009 Volume.30 No. 1 p.120 ~ p.127
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The Effect of Sahyangsohapwon on Heart Rate Variability of Healthy Subjects
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Kim Chang-Hyun
Hwang Jae-Woong
Min In-Kyu
Kim Mi-Young
Byeon Hyung-Sik
Na Byung-Jo
Park Sung-Wook
Park Jung-Mi
Ko Chang-Nam
Bae Hyung-Sup
Jung Woo-Sang
Cho Ki-Ho
Kim Young-Suk
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Abstract
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Objectives: Sahyangsohapwon (SS) is a herbal medication that has been widely used with circulatory and neural diseases. This study was conducted to assess the effect of SS on the autonomic nervous system by using heart rate variability measurement.
Methods: The eligible subjects were enrolled from the healthy male group of ages 20 to 35 years. They were divided into two groups, the SS group (n=26) and the control (n=24). We monitored the ECG of subjects from the time period 14:00 to 18:00. In the SS group, subjects were administered with a dose of SS at the time 15:00, whereas the control group had none. For each hour HRV measurement was monitored every 15 minutes for 512 seconds from the time period 14:00 to 18:00. The mean value, which was calculated using the 4 values during each hour (i.e. 14:00, 14:15, 14:30, 14:45), was used as the representative value for each individual hour. For the measurement values, RR-interval and SDNN (standard deviation of the NN intervals) were used as time domain analysis, and HF (high frequency), LF (low frequency), and LF/HF ratio were used as frequency domain analysis.
Results: The LF value showed an increase after one hour of SS administration and showed gradual diminution for each and every hour. The repeated measures of ANOVA for the comparison of the LF value between the SS group and the control group showed significant differences. While, RR interval, SDNN, HF, and LF/HF ratio values showed no significant differences between the two groups.
Conclusions: We suggest that the SS might be useful for stabilizing autonomic nervous system by inhibiting sympathetic nerve activation in healthy people.
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KEYWORD
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Heart rate variability, HRV, Sahyangsohapwon, autonomic nervous system
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