The Journal of the Society of Stroke on Korean Medicine (대한중풍순환신경학회지)

The Society of Stroke on Korean Medicine (대한중풍순환신경학회)
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A Clinical Study of InGaAlP Laser Transcutaneous Blood Irradiation on Heart Rate Variability in Healthy Adults (II)

InGaAlP 레이저 경피혈액조사가 정상성인의 심박변이도에 미치는 영향에 대한 임상적 연구(II)

  • Yeo, Jinju (Department of Internal Medicine, College of Korean Medicine, Woosuk University) ;
  • Lee, Taeho (Department of Internal Medicine, College of Korean Medicine, Woosuk University) ;
  • Son, Donghyuk (Department of Internal Medicine, College of Korean Medicine, Woosuk University) ;
  • Hsing, Lichang (Department of Internal Medicine, College of Korean Medicine, Woosuk University) ;
  • Lee, Inhwan (Faculty of Materials Science and Engineering, Chonbuk National University) ;
  • Jang, Insoo (Department of Internal Medicine, College of Korean Medicine, Woosuk University)
  • 여진주 (우석대학교 한의과대학 내과학교실) ;
  • 이태호 (우석대학교 한의과대학 내과학교실) ;
  • 손동혁 (우석대학교 한의과대학 내과학교실) ;
  • 형례창 (우석대학교 한의과대학 내과학교실) ;
  • 이인환 (전북대학교 의과대학 신소재공학부) ;
  • 장인수 (우석대학교 한의과대학 내과학교실)
  • Published : 2005.12.01
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Abstract

Objective : The heart rate variability is very useful indicator to study the function of the autonomic nervous system(ANS), and the physiologic signals can be observed based on the changes of the ANS of the heart. In order to assay the effects of the laser exposing to healthy subjects, the double blind test has been performed. Methods : This study included 62 healthy adults who have not any ANS disease and had normal sinus rhythm in electrocardiogram. The control group consisted of 31 subjects, laser group consisted of 31 subject. HRV was measured for 5 minutes before laser irradiation, sham and real laser irradiated for 30 minutes and than HRV remeasured for 5 minutes. Statistical significance was evaluated by independent T-test. Results : Mean HRV, Ln(VLF), Ln(HF), Ln(TP) of both groups at post-laser period decreased compared with that of the pre-laser period. Ln(LF) of both groups at post-laser period increased compared with that of the pre-laser period. LF/HF, SDNN of real laser group decreased and sham group decreased. Conclusions : There is no difference between two groups. The reason is presumed that all the studied subjects are healthy adults, and also the short and single transcutaneous laser irradiation would not influence upon changes of the ANS. The further study must be followed.

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