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  • Title: Effects of high-frequency repetitive transcranial magnetic stimulation on reducing hemiplegic shoulder pain in patients with chronic stoke: a randomized controlled trial.
    Author: Choi GS, Chang MC.
    Journal: Int J Neurosci; 2018 Feb; 128(2):110-116. PubMed ID: 28805107.
    Abstract:
    OBJECTIVE: To examine whether high-frequency (10 Hz) repetitive transcranial magnetic stimulation (rTMS), applied over the primary motor cortex of the affected hemisphere, could be used to manage hemiplegic shoulder pain (HSP). METHODS: Twenty-four chronic stroke patients with chronic HSP, randomly assigned into the rTMS group (10 sessions of high-frequency stimulation) or the sham group (sham stimulation), were performed. The Numeric Rating Scale (NRS) was used to evaluate the intensity of pain at pretreatment, and at 1 day, and 1, 2 and 4 weeks after treatment. Changes in upper-limb motor function were evaluated using the Motricity Index (MI-UL) and modified Brunnstrom Classification (MBC). RESULTS: When compared to pretreatment, the rTMS group showed a significant decrease in the NRS score at 1 day, and 1, 2 and 4 weeks after finishing rTMS sessions, with no significant change in the sham group. The NRS score after the rTMS sessions reduced by 30.1% at 1 day, 29.3% at 1 week, 28.0% at 2 weeks and 25.3% at 4 weeks. Passive shoulder range of motion, MI-UL, and MBC, however, did not significantly change in either group. CONCLUSIONS: High-frequency rTMS could be used as a safe, beneficial therapeutic tool to manage HSP. We think it can be used as an adjuvant therapeutic modality to enhance the therapeutic outcome of HSP.
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