Effiectiveness and safety of transcranial direct current stimulation in fibromyalgia: A systematic review and meta-analysis
DOI:
https://doi.org/10.2340/16501977-2179Keywords:
transcranial direct current stimulation, fibro-myalgia, meta-analysisAbstract
Objective: To evaluate the effectiveness and safety of transcranial direct current stimulation for fibro-myalgia. Methods: Databases, conference records and registered trials were searched for articles published from the date of establishment of the database through to October 2015. Six randomized controlled trials (=92) of transcranial direct current stimulation for fibromyalgia were included in the current study. Data extraction: Two researchers independently screened the literature, assessed methodological quality using the Cochrane Collaboration's tool, and extracted data. Data synthesis: Studies were divided into 3 groups for meta-analysis according to stimulation site and polarity. Significant improvement in pain and general fibromyalgia-related function was seen with anodal transcranial direct current stimulation over the primary motor cortex (<. 05). However, the pressure pain threshold did not improve (>. 05). Anodal transcranial direct current stimulation over the left dorsolateral prefrontal cortex did not significantly reduce pain or improve general fibromyalgia-related function compared with sham stimulation (>. 05). Cathodal transcranial direct current stimulation over the primary motor cortex did not improve the pressure pain threshold compared with sham stimulation (>. 05). No significant adverse effects were seen. Conclusion: Anodal transcranial direct current stimulation over the primary motor cortex is more likely than sham transcranial direct current stimulation to relieve pain and improve general fibromyalgia-related function.Downloads
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Copyright (c) 2016 Chang-e Zhu, Bo Yu, Wen Zhang, Wen-hua Chen, Qi Qi, Yun Miao
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