Effects of Fixed-intensity and Varied-intensity Electroacupuncture in Pain and Sensory Threshold in Patients with Chronic Tension Headache

전침 자극 강도에 따른 만성 긴장성 두통 환자의 통증과 감각역치 변화 연구

  • Kwon, You-Jung (Dept. of Acupuncture & Moxibustion Medicine, College of Oriental Medicine, Kyung Hee University) ;
  • Lee, Dong-Hua (Dept. of Acupuncture & Moxibustion Medicine, College of Oriental Medicine, Kyung Hee University) ;
  • Lee, Ung-In (Dept. of Acupuncture & Moxibustion Medicine, College of Oriental Medicine, Kyung Hee University) ;
  • Park, Kyung-Mo (Dept. of Biomedical Engineering, College of Electronics & Information, Kyung Hee University) ;
  • Lee, Sang-Hoon (Dept. of Acupuncture & Moxibustion Medicine, College of Oriental Medicine, Kyung Hee University)
  • 권유정 (경희대학교 한의과대학 침구의학교실) ;
  • 이동화 (경희대학교 한의과대학 침구의학교실) ;
  • 이웅인 (경희대학교 한의과대학 침구의학교실) ;
  • 박경모 (경희대학교 전자정보대학 생체의공학과) ;
  • 이상훈 (경희대학교 한의과대학 침구의학교실)
  • Received : 2012.07.09
  • Accepted : 2012.08.02
  • Published : 2012.08.20

Abstract

Objectives : This study was conducted to investigate the effects of fixed-intensity and varied-intensity electroacupuncture in pain and sensory threshold concerning parameters visual analogue scale(VAS), brief pain inventory(BPI) and quantitative sensory testing(QST), among chronic tension headache patients. Methods : Thirty patients with chronic tension headache were randomly assigned to three groups and received different kinds of electroacupuncture at $ST_{36}$ and $ST_{37}$. Group A received fixed-intensity electroacupuncture(fixed-EA), group B received varied-intensity electroacupuncture (varied-EA), and group C received only acupuncture treatment without electrical stimulation as a control group. The intervention was given three times per week, and continued in two weeks. All the experiments were conducted blindly. Results : Fixed-EA group showed a significant decrease of VAS and BPI compared to the baseline measurement, while both varied-EA and control group did not. Of the parameters of QST, subtraction of heat pain threshold(HPT) and cold pain threshold(CPT) slightly increased in all groups, but this was not significant. Conclusions : These results suggest that fixed-EA reduce pain and improve quality of life in patients with chronic tension headache and that acupuncture may regulate patient's pain sensitivity through changing sensory threshold.

Keywords

References

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