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- Title
Prospective, Randomized, Single-Blind, Sham Treatment-Controlled Study of the Safety and Efficacy of an Electromagnetic Field Device for the Treatment of Chronic Low Back Pain: A Pilot Study.
- Authors
Harden, R. N.; Remble, T. A.; Houle, T. T.; Long, J. F.; Markov, M. S.; Gallizzi, M. A.
- Abstract
Objectives: To evaluate the efficacy and safety of therapeutic electromagnetic fields (TEMF) on chronic low back pain. Secondary objectives included the investigation of the effects of TEMF on psychometric measures. Setting: Pain Research center in an Urban Academic Rehabilitation Facility. Design: Prospective, randomized, single-blind, placebo (sham) treatment-controlled design in which participants were evaluated over a 6-week period. A total of 40 subjects were randomly assigned: 20 subjects to 15 milliTESLA (mT) treatment using a prototype electromagnetic field device and 20 to sham treatment. Interventions: After a 2-week baseline period, eligible individuals were randomized to one of the treatment groups (sham or 15 mT) for six 30-minute treatments over 2 weeks, then a 2-week follow-up period. Outcome Measures: The primary outcome measure was the self-report of pain severity using a 100 mm visual analog scale collected using a twice daily McGill Pain Questionnaire—Short Form. Several secondary measures were assessed. Results: Both groups (15 mT and sham) improved over time ( P < 0.05). Although groups were similar during the treatment period, treated subjects (TEMF of 15 mT) improved significantly over sham treatment during the 2-week follow-up period (20.5% reduction in pain; F1,34 = 10.62, P = 0.003). There were no reported serious adverse events. Conclusions: This study demonstrates that TEMF may be an effective and safe modality for the treatment of chronic low back pain disorders. More studies are needed to test this hypothesis.
- Subjects
THERAPEUTICS; ELECTROMAGNETIC fields; LUMBAR pain; CHRONIC pain; MAGNETOTHERAPY; PSYCHOMETRICS
- Publication
Pain Practice, 2007, Vol 7, Issue 3, p248
- ISSN
1530-7085
- Publication type
Article
- DOI
10.1111/j.1533-2500.2007.00145.x