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KMID : 0363620140350040024
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Journal of Korean Oriental Medicine
2014 Volume.35 No. 4 p.24 ~ p.35
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Effects of Acupuncture on Heart Rate Variability in Obese Premenopausal Korean Women
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Yang Yo-Chan
Kim Je-In
Kim Koh-Woon
Cho Jae-Heung
Kim Song-Yi
Park Hi-Joon
Song Mi-Yeon
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Abstract
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Objectives: Although the autonomic nervous system (ANS) is thought to play an important role in treatment of obesity, no study has been conducted to investigate acupuncture’s effects on this aspect of the ANS. This study aimed to describe the effects of acupuncture in the ANS by means of heart rate variability (HRV) analysis.
Methods: A total of 46 obese women aged from 21 to 54 with body mass index ranging from 25.1 to 39.3 kg/m2 were recruited and randomized into both the real acupuncture group (n=23) and sham acupuncture group (n=23). A total of 3 instances of HRV analysis were conducted before, during, and after treatment. Statistically significant differences between time and groups were analyzed using repeated measure analysis of variance.
Results: All parameters of time domain analysis and frequency domain analysis except for the square root of the mean squared differences of successive normal sinus intervals (RMSSD) and very low frequency (VLF) showed significant differences between times. The mean of all R-R intervals (mean RR) showed significant level of interaction between time and group. Between groups, time domain analysis of standard deviation of the normal-to-normal intervals (SDNN), RMSSD and frequency domain analysis of total power (TP) and high frequency (HF) showed significant differences.
Conclusions: The real acupuncture group showed deactivation of parasympathetic function and relative increase of sympathetic activity in obese subjects. Further studies are necessary to uncover the mechanisms of acupuncture in obesity treatment.
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KEYWORD
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Obesity, acupuncture, autonomic nervous system, heart rate variability
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