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KMID : 0363620080290020107
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Journal of Korean Oriental Medicine
2008 Volume.29 No. 2 p.107 ~ p.115
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Effects of Acupuncture on Autonomic Nervous System in Normal Subjects under Mental Stress
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Park Sung-Wook
Jung Woo-Sang
Moon Sang-Kwan
Ko Chang-Nam
Cho Ki-Ho
Kim Young-Suk
Bae Hyung-Sup
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Abstract
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Objectives: The objective of this study was to assess the effects of acupuncture applied at PC6 and SP4 points on heart rate variability (HRV) in normal subjects under mental stress
Methods: 24 healthy male subjects were recruited and randomized to a treatment group (12 subjects) or a control
group (12 subjects). Both groups performed a mental arithmetic stress test and then acupuncture needles were inserted
on PC6 and SP4 for the study group. In the control group, they took sham acupuncture as a control. Heart rate variability (HRV) was measured during the whole study period by FM-150 (digital Holter ECG recorder).
Results: In the both groups, low frequency (LF) power and ratio of low frequency to high frequency (LF/HF) was
significantly increased after mental stress. Acupuncture induced significant decrease in low frequency (LF) power and
ratio of low frequency to high frequency (LF/HF) which were increased after mental stress test. But sham acupuncture
induced no changes.
Conclusions: Acupuncture on PC6 and SP4 could be useful to decrease sympathetic activity and balance autonomic nervous system for those who are under stress.
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KEYWORD
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Heart rate variability (HRV), acupuncture, autonomic nervous system, mental stress
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