Summary: In a small single-blind trial in chronic Charcot foot with ulceration, adding pulsed electromagnetic field therapy to standard care and TENS markedly improved wound healing and radiological resolution of Charcot signs at 12 weeks compared with standard care plus TENS alone.
PICO Summary
| Element | Detail |
|---|---|
| Population | 34 patients with stage 2–3 chronic Charcot foot with ulceration; single-blind controlled trial, Egypt. |
| Intervention | Pulsed electromagnetic field (PEMF) therapy plus conventional TENS, medical treatment, and standard wound care, 3 times/week for 3 months. |
| Comparison | Conventional TENS plus the same medical treatment and standard wound care. |
| Outcome | Both groups improved at 6 weeks. By 12 weeks, 94.1% of the PEMF group showed complete radiological resolution of Charcot signs versus 5.9% of controls (p<0.001), and median wound area fell to 0.0 cm² (PEMF) versus 6.6 cm² (control) (p<0.05). |
PEMF for Charcot foot ulcers
RCT · Charcot foot ulcer · 12 weeks
Adding PEMF to standard care produced complete radiological resolution of Charcot signs in 94% of treated patients versus 6% of controls at 12 weeks. Striking effect, but small single-blind trial; an adjunct, not a replacement for offloading.
Expert Commentary
This is a promising small trial addressing a genuinely difficult problem, because Charcot foot ulcers combine two pathologies, a chronic wound and disordered bone, and most wound therapies tackle only the soft tissue. PEMF is mechanistically attractive here precisely because it has established bone-healing credentials alongside emerging wound-healing data, so a dual benefit is biologically coherent, and the reported results, near-universal radiological resolution and wound closure in the treated arm, are striking. I would temper that enthusiasm with real caution. With only 34 patients and single-blind design, the effect size looks almost too large, the specific PEMF parameters and the exact definition and measurement of bone regeneration are not fully detailed, and recurrence and durability are unaddressed. It is also crucial that PEMF was tested as an adjunct, not a replacement, offloading remains the cornerstone of Charcot management and nothing here changes that. Can I use this with my patients? Cautiously and as an add-on. For a chronic Charcot ulcer not progressing despite optimal offloading, debridement, and glycaemic and infection control, PEMF is a reasonable noninvasive adjunct to consider, while I await larger, fully blinded trials before regarding these dramatic numbers as settled.
References
Eltayeb NM, Abdelhamid MM, Yousuf HZ, Abd-Elrashid NA. Pulsed electromagnetic field stimulation therapy for Charcot foot ulcer: a randomized controlled trial. Wounds. 2025;37(8):323–328. doi:10.25270/wnds/25002