Effect of Pulsed Electromagnetic Field Treatment on Alleviation of Lumbar Myalgia; A Single Center, Randomized, Double-blind, Sham-controlled Pilot Trial Study

Park, Won-hyung; Sun, Seung‐Ho; Lee, Sun‐Gu; Kang, Byoung-Kab; Lee, Jong-Soo; Hwang, Do-guwn; Cha, Yun‐Yeop

doi:10.4283/jmag.2014.19.2.161

Cited by 10 publications

(20 citation statements)

References 27 publications

(35 reference statements)

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“…A study by Gyulai et al [21] in 2015 found that BEMER therapy reduced fatigue and pain intensity in the short term for CLBP patients. Moreover, Park et al [25] in 2014 reported a significant decrease in pain intensity (p<0.05) and functional disability (p<0.01) in the PEMF group compared with the control group, but no significant difference in depression (p=0.850) [25], similar to the present study. Omar et al [10] in 2012 reported a significant difference between the PEMF treatment group and placebo group before and after application of PEMF in pain intensity, functional disability, and sleep quality (p=0.024, p<0.001, and p<0.001, respectively) [10].…”

Section: Discussionsupporting

confidence: 89%

Efficacy of Pulsed Low-Frequency Magnetic Field Therapy on Patients with Chronic Low Back Pain: A Randomized Double-Blind Placebo-Controlled Trial

Alzayed

Alsaadi

2020

Asian Spine J

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A randomized double-blind placebo-controlled trial. Purpose: To investigate the efficacy of pulsed electromagnetic field (PEMF) therapy combined with therapeutic exercises in the treatment of chronic low back pain (CLBP). Overview of Literature: Low back pain (LBP) is the most common musculoskeletal pain disorder. Most available interventions for CLBP have modestly beneficial outcomes. Despite the potential effect of PEMF therapy on LBP, there have been few studies regarding its effectiveness. Methods: Forty-two patients (22 males, 20 females), were randomized into either the treatment group (PEMF and therapeutic exercises) or placebo group (sham PEMF and exercises). Primary outcome measures were pain intensity on the 10-point Numeric Pain-Rating Scale and disability measured by the Roland-Morris Disability Questionnaire. The patients were assessed at baseline, during the treatment period (weeks 3, 6, and 9), and after treatment (week 13). Results: The treatment group experienced a more rapid improvement in both pain and disability compared with the placebo group. The analysis showed a significant improvement in the pain intensity and disability scores in the treatment group at week 3 (p<0.05), whereas an improvement in the placebo group was detected at week 6. The significant improvement in both groups was sustained for weeks 6, 9, and 13. There was no difference between the groups in scores of pain intensity and disability at weeks 6 and 13. Conclusions: PEMF therapy improved pain and disability in patients with CLBP. However, it does not seem to be superior to other treatment options.

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Section: Discussionsupporting

confidence: 89%

Efficacy of Pulsed Low-Frequency Magnetic Field Therapy on Patients with Chronic Low Back Pain: A Randomized Double-Blind Placebo-Controlled Trial

Alzayed

Alsaadi

2020

Asian Spine J

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“…All the mentioned studies reported a decrease in pain intensity compared to the baseline, with a mean difference in pain intensity from baseline to the endpoint from 21 to 64 points out of 100 on the VAS [36]. Moreover, the studies on discogenic lumbar radiculopathy and lumbar myalgia showed a large effect size [34,35]. In addition, no differences in such improvement between the PEMS-treated group and the sham group were found in one of the studies [21].…”

Section: Discussionmentioning

confidence: 99%

“…However, the SF-12 tool was developed as an abbreviated version of the SF-36, containing a subset of 12 identical questions embedded in the SF-36 eight constructs [41]. In this sense, Park et al [35] reported significant improvements in SF-36 prior to and following treatment in lumbar myalgia patients and no significant difference between the PEMS-treated group and the group receiving sham treatment. For these reasons, it was assumed that there was no significant difference between the two groups following the treatment [35].…”

Section: Discussionmentioning

confidence: 99%

“…It has been reported that pulsed electromagnetic signals (PEMS) therapy yields several benefits into bone metabolism and osteogenesis, acute pain relief, wound healing, edema, and inflammation control, as well as in chronic pain associated with connective tissue injury and joint-associated soft tissue injury (such as in fibromyalgia and osteoarthritis) [28][29][30][31][32]. In addition to its positive health effects, PEMS therapy has other benefits such as enhancing its potential of compliance (due to being noninvasive, low-risk level, and its absence of side effects), selectivity to act on physiological and therapeutic targets [21], and positive results regardless of whether the low back pain is acute or chronic, or whether it has a muscular, discogenic, or complex origin [33][34][35]. However, the number of studies available in the scientific literature investigating the effectiveness of PEMS on low back pain is still scarce, and even fewer if we consider low back pain subgroups [36].…”

Section: Introductionmentioning

confidence: 99%

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Evaluation of the Analgesic Efficacy of a Bioelectronic Device in Non-Specific Chronic Low Back Pain with Neuropathic Component. A Randomized Trial

Teresa

Varela-López

Rios-Álvarez

et al. 2021

JCM

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Low energy pulsed electromagnetic signals (PEMS) therapy, in the field of bioelectronics, has been suggested as a promising analgesic therapy with special interest in treating conditions with poor response to pharmacotherapy. This study evaluated the effectiveness of PEMS therapy on the treatment of chronic low back pain patients with a neuropathic component. A group of 64 individuals with such condition was allocated to a 2-week treatment period (10 twenty-minute sessions on consecutive days) with an active PEMS therapy device or an inactive device in random order. The pain was assessed on a visual analog scale, and the functional status was assessed using the SF-12 questionnaire. The visual analog scale scores were lower after treatment than at baseline but only in the group treated with the active device. According to the DN4 score, neuropathic pain decreased in both experimental groups with respect to baseline, but this was only significant for the group treated with the active device. Similarly, an improvement in the SF-12 and Medical Outcomes Study (MOS) sleep scale components was reported. The study demonstrated that low-energy PEMS therapy was efficient in reducing pain and improving function in chronic low back pain patients with a neuropathic component.

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“…Although PEMF therapy has been reported effective as an adjunctive therapy for postoperative pain and edema following other types of surgeries, to our knowledge this is the first study of this size evaluating its efficacy for persistent pain following back surgery. A 2014 report 29 found PEMF therapy effective at reducing back pain in a population of subjects with persistent lumbar muscle pain, reporting a significant reduction in pain in subjects receiving PEMF therapy but not in sham-device–treated subjects. Although the study excluded subjects who had prior spinal surgery, as well as those with radicular pain, the improvement in back pain reported in the study is comparable to the results of the current study.…”

Section: Discussionmentioning

confidence: 99%

An open-label pilot study of pulsed electromagnetic field therapy in the treatment of failed back surgery syndrome pain

Harper¹,

Schmidt²,

Kubat³

et al. 2014

IMCRJ

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Persistent pain following back surgery remains a major treatment challenge. The primary objective of this open-label exploratory study was to investigate the analgesic effectiveness of pulsed electromagnetic field therapy administered twice daily over a 45-day period in 34 subjects (68% female) with persistent or recurrent pain following back surgery. A secondary goal was to guide the design of future randomized controlled trials that could target responsive subpopulations. All predefined primary and secondary outcomes, including change in pain intensity (PI), physical function (Oswestry Disability Index), analgesic consumption, and overall well-being (Patient Global Impression of Change), are reported. A responder analysis (≥30% reduction in PI versus baseline) was added as a post hoc evaluation. Safety outcomes, as well as results of a cost-avoidance survey, are also summarized. Of the 30 per-protocol subjects who completed the study, 33% reported a clinically meaningful (≥30%) reduction in PI. A higher response rate (60%) was reported for subjects who had undergone discectomy prior to the trial compared to subjects who had undergone other types of surgical interventions (decompression or fusion) without discectomy. Improvements in PI were paralleled by improvements in secondary outcomes. Relative to baseline, responders reported an average 44% and 55% reduction in back PI and leg PI (respectively), and an average 13% improvement in Oswestry Disability Index scores. In the per-protocol population, 50% of responders and 12% of nonresponders reported less analgesia consumption at the end of treatment versus baseline. Sixty-seven percent of per-protocol responders and 0% of nonresponders reported clinically meaningful improvement in overall well-being on the Patient Global Impression of Change scale.

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Effect of Pulsed Electromagnetic Field Treatment on Alleviation of Lumbar Myalgia; A Single Center, Randomized, Double-blind, Sham-controlled Pilot Trial Study

Cited by 10 publications

References 27 publications

Efficacy of Pulsed Low-Frequency Magnetic Field Therapy on Patients with Chronic Low Back Pain: A Randomized Double-Blind Placebo-Controlled Trial

Efficacy of Pulsed Low-Frequency Magnetic Field Therapy on Patients with Chronic Low Back Pain: A Randomized Double-Blind Placebo-Controlled Trial

Evaluation of the Analgesic Efficacy of a Bioelectronic Device in Non-Specific Chronic Low Back Pain with Neuropathic Component. A Randomized Trial

An open-label pilot study of pulsed electromagnetic field therapy in the treatment of failed back surgery syndrome pain

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