Efficacy of pulsed electromagnetic therapy for chronic lower back pain: A randomized, double-blind, placebo-controlled study

P. B. Lee, Y. C. Kim, Y. J. Lim, C. J. Lee, S. S. Choi, S. H. Park, J. G. Lee, S. C. Lee

    Research output: Contribution to journalArticlepeer-review

    25 Citations (Scopus)

    Abstract

    This randomized, double-blind, placebo-controlled clinical trial studied the effectiveness of pulsed electromagnetic therapy (PEMT) in patients with chronic lower back pain. Active PEMT (n = 17) or placebo treatment (n = 19) was performed three times a week for 3 weeks. Patients were assessed using a numerical rating scale (NRS) and revised Oswestry disability scores for 4 weeks after therapy. PEMT produced significant pain reduction throughout the observation period compared with baseline values. The percentage change in the NRS score from baseline was significantly greater in the PEMT group than the placebo group at all three time-points measured. The mean revised Oswestry disability percentage after 4 weeks was significantly improved from the baseline value in the PEMT group, whereas there were no significant differences in the placebo group. In conclusion, PEMT reduced pain and disability and appears to be a potentially useful therapeutic tool for the conservative management of chronic lower back pain.

    Original languageEnglish
    Pages (from-to)160-167
    Number of pages8
    JournalJournal of International Medical Research
    Volume34
    Issue number2
    DOIs
    Publication statusPublished - 2006

    Keywords

    • Lower back pain
    • Pulsed electromagnetic therapy
    • Revised oswestry disability score

    ASJC Scopus subject areas

    • Biochemistry
    • Cell Biology
    • Biochemistry, medical

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