The effectiveness of pulsed electromagnetic field therapy in patients with shoulder impingement syndrome: A systematic review and meta-analysis of randomized controlled trials.
OrthoEvidence Journal (OE Journal) - ACE Report
OE Journal. 2025;13(13):28 PLoS One . 2025 May 19;20(5):e0323837.What this means for my practice?
Clinicians should remember that PEMF therapy, particularly high-intensity protocols, can significantly improve both short- and long-term functional outcomes in shoulder impingement syndrome and may modestly reduce short-term pain. This suggests PEMF could be a valuable adjunct in conservative management. However, the study’s limitations include small sample sizes, heterogeneous treatment protocols, and limited long-term follow-up, necessitating further research.
Study Summary
Four randomized controlled trials including 252 patients with shoulder impingement syndrome were included in this systematic review and meta-analysis comparing pulsed electromagnetic field (PEMF) therapy versus placebo. Pooled outcomes of interest included short-term pain, short-term functional capacity, and long-term functional capacity. PEMF therapy showed statistically and clinically significant improvements in short-term pain, short-term functional capacity, and long-term functional capacity. There was no significant effect on long-term pain. These findings suggest that PEMF therapy is effective in enhancing functional outcomes and short-term pain relief in patients with shoulder impingement syndrome.
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