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Here’s a treatment right out of science fiction for knee osteoarthritis sufferers Pulsed electromagnetic field therapy may ease pain for patients with knee OA Reported in Healio patients with knee osteoarthritis who received pulsed electromagnetic field therapy experienced pain relief and 26 of patients discontinued NSAIDs following treatment, according to results of a recently published report. Researchers studied 66 patients with knee osteoarthritis OA and persistent pain. Patients were age 40 years or older, had OA for longer than 6 months, did not respond to conventional treatment with NSAIDs or acetaminophen, and did not change medications in the prior month.

Patients were randomly assigned 11 to treatment either with a pulsed electromagnetic fieldgenerating device or a placebo device with no electromagnetic properties. Sixty patients completed the study, with three patients from each group lost to followup. Rates of compliance were similar between groups, with an average use time of about 11 hours per day reported. At 1 month, a 25.5 reduction in pain was observed in patients who were assigned to the treatment group compared to a 3.6 reduction for patients in the placebo group. Comment Interesting. I wonder if the investigators were blinded as well. Investigator bias often.

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