The Korean Journal of Pain

  • 제18권1호
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  • Pages.43-47
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  • 2005
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  • 2005-9159(pISSN)
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  • 2093-0569(eISSN)
대한통증학회 (The Korean Pain Society)
권호 표지

만성 요통 환자에서 박동성 전자기장 치료의 효과: 무작위, 이중맹검, 위약대조법을 이용한 연구

Efficacy of Pulsed ElectroMagnetic Therapy for Chronic Lower Back Pain: a Double-Blind, Randomized, Placebo-Controlled Study

  • 이평복 (분당서울대병원 마취통증의학과) ;
  • 김용철 (서울대학교 의과대학 마취통증의학교실) ;
  • 이상철 (서울대학교 의과대학 마취통증의학교실)
  • Lee, Pyung Bok (Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital) ;
  • Kim, Yong Chul (Department of Anesthesiology and Pain Medicine, Seoul National University College of Medicine) ;
  • Lee, Sang Chul (Department of Anesthesiology and Pain Medicine, Seoul National University College of Medicine)
  • 투고 : 2005.04.25
  • 심사 : 2005.05.25
  • 발행 : 2005.06.30
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초록

Background: The optimal management of pain using magnetic irradiation modalities continues to attract considerable debate. Therefore, we conducted a randomized, double-blind, placebo-controlled clinical trial to determine the effectiveness of pulsed electromagnetic therapy for the treatment of chronic lower back pain. Methods: Fifteen-minute sessions of active (n = 20) or placebo (n = 20) electromagnetic therapy were repeated 3 times a week for 3 weeks. Patients were assessed using the 11-point numerical rating scale and the revised Oswestry disability scores for up to 4 weeks after therapy. Results: The active magnetic group showed significantly more pain reduction than the placebo group immediately after therapy and one and four weeks after therapy (P < 0.05). At 4 weeks after therapy percentage changes in NRS from baseline were $22{\pm}24%$ and $38{\pm}11%$ in the placebo and magnetic groups, respectively. The revised Oswestry disability percentage in the active magnetic group was also significantly improved (P < 0.05). Conclusions: Pulsed electromagnetic therapy provided pain relief and ameliorated disability in patients with chronic lower back pain. According to our results, pulsed electromagnetic therapy should be considered an important potential therapeutic tool for the conservative therapy of chronic lower back pain.

키워드

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