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KMID : 0387420100210030019
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Korean Society of Oriental Neuropsychiatry
2010 Volume.21 No. 3 p.19 ~ p.27
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Effects of Acupuncture at GV 20(Baihui) Evaluated by the Second Derivative of Photoplethysmogram Waveform under Stress
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Lee Jin-Hwan
Kim Jin-Yi
Kim Soo-Jung
Sue Joo-Hee
Sung Woo-Wong
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Abstract
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Objectives: This study was designed to report the effect of acupuncture at GV 20(Baihui) evaluated by the second derivative of photoplethysmogram waveform(SDPTG) under stress.
Methods: 15 healthy volunteers participated in this study. 1. After 5 minutes rest, mental stress was provided for 5 minutes. And then subjects rested for 15 minutes. SDPTG was recorded before and after mental stress and after 15 minutes restness. 2. After 5 minutes rest, mental stress was provided for 5 minutes. And acupuncture at GV 20 remained for 15 minutes. SDPTG was recorded before and after mental stress and after 15 minutes acupuncture.
Results: 1. Mental Stress didn’t make significant change at SDPTG. 2. In a comparison of pre-acupuncture and post-acupuncture at the GV 20, b/a ratio(P<0.05) and Sano aging index(P<0.05) was decreased significantly.
Conclusions: We concluded that acupuncture at the GV 20 may be effective method to recover vascular function.
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KEYWORD
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The second derivative of photoplethysmogram, waveform(SDPTG), Acupuncture GV 20(Baihui), Mental stress
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