OBJECTIVE: To evaluate the effectiveness of magnetotherapy in the treatment of hand osteoarthritis (HO). METHODS: In this randomized controlled single-blind follow-up study, patients with HO were randomly assigned into 2 groups (G1 and G2). The subjects in G1 (n = 25) received 25 Hz, 450 pulse/s, 5 to 80 G, magnetotherapy of totally 10 days and 20 min/day combined with active range of motion/strengthening exercises for the hand. G2 (n = 25) received sham-magnetotherapy for 20 min/day for the same duration combined with the same hand exercises. Outcome measures were pain and joint stiffness evaluation, handgrip and pinchgrip strength (HPS), Duruoz and Auscan Hand Osteoarthritis Indexes (DAOI) and Short Form-36 Health Questionnaire (SF-36) administered at baseline, immediately after treatment and at the follow up. RESULTS: When the groups were compared with each other, improvement observed in SF-36 Pain (p < 0.001), SF-36 Social Function (p = 0.030), SF-36 Vitality (p = 0.002), SF-36 General Health (p = 0.001), Pain at rest (p < 0.001), Pain at motion (p < 0.001), Joint stiffness (p < 0.001), DAOI (p < 0.001) were in favor of G1. CONCLUSIONS: Changes in pain, function and quality of life scores showed significant advantage in favor of the applied electromagnetic intervention in patients with HO.

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