Pulsed electromagnetic field therapy is a possible method of pain control involving the application of electromagnetic energy (also termed nonthermal, pulsed, shortwave radiofrequency therapy). Food and Drug Administration-cleared devices have been in clinical use for over 70 years. For decades, available devices consisted of a large signal generator and bulky coil applicator that were not portable and produced significant electromagnetic interference, making them impractical for common use. However, small, lightweight, relatively inexpensive, noninvasive, Food and Drug Administration-cleared devices that function for 30 days are now available to treat acute and chronic pain, decrease inflammation and edema, and hasten wound healing and bone regeneration. Therefore, it has the potential to concurrently improve analgesia and decrease or even negate opioid requirements, only without the limitations of opioids and peripheral nerve blocks. The purpose of this pilot study is to explore the possibility of treating chronic post-amputation pain with nonthermal, pulsed shortwave (radiofrequency) therapy, optimize the study protocol, and estimate the treatment effect in preparation for developing subsequent definitive clinical trials.
Age range
18 Years
Sex
ALL
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Change in Average RESIDUAL Limb Pain Scores Between Baseline and Day 28 of the Initial Treatment as Measured With the Numeric Rating Scale
Timeframe: Baseline and Day 28
Change in Average PHANTOM Limb Pain Scores Between Baseline and Day 28 of the Initial Treatment as Measured With the Numeric Rating Scale
Timeframe: Baseline and Day 28
Patient Global Impression of Change for RESIDUAL Limb Pain Between Baseline and Day 28 of the Initial Treatment
Timeframe: Day 28
Patient Global Impression of Change for PHANTOM Limb Pain Between Baseline and Day 28 of the Initial Treatment
Timeframe: Day 28