Effective Fibromyalgia Pain Treatment with Direct Current Stimulation

Effective Fibromyalgia Pain Treatment with Direct Current Stimulation
Fibromyalgia is a chronic pain syndrome affecting the musculoskeletal system with unknown causes. Disease symptoms include diffusive pain, fatigue, and emotional distress. An accumulating amount of evidences suggest that non-invasive brain electric stimulation techniques targeting the primary motor cortex have significant analgesic effects in fibromyalgia by modifying the pain sensory process. However, results of clinical studies using these techniques are inconsistent, mainly due the lack of optimized standard protocols and trial design. In a recent study, a team of researchers from the U.S. and Israel defined procedures for effective fibromyalgia pain treatment with High-Definition transcranial Direct Current Stimulation (HD-tDCS), establishing clinical protocols and optimal stimulation parameters. This methodology was described in a paper entitled Clinically effective treatment of fibromyalgia pain with HD-tDCS – Phase II open-label dose-optimization,” published in The Journal of Pain. The HD-tDCS technique allows for a non-invasive focused application of a low intensity direct current, enhancing and sustaining its pain reducing effects. Researchers used a visual analog scale and measurements of brain responses to assess the pain of 14 fibromyalgia patients treated with HD-tDCS for a maximum of six weeks. Their main goal was to define the mean number of sessions, defined as a 50% decrease in pain, and the optimal stimulation parameters required to achieve a clinical meaningful response with lim
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