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Supplementary Material for: Effectiveness of Acupuncture for Poststroke Aphasia: A Systematic Review and Meta-Analysis of Randomized Controlled Trials

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posted on 23.06.2021, 07:28 by Zhang Y., Wang Z., Jiang X., Lv Z., Wang L., Lu L.
Background: Aphasia is one of the common complications of stroke, and it considerably influences the quality of life of patients. Acupuncture, a therapy used in traditional Chinese medicine for aphasia after stroke, has potential therapeutic effects. We aimed to investigate the therapeutic effect of acupuncture on individuals with poststroke aphasia. Methods: Randomized controlled trials (RCTs) on acupuncture for poststroke aphasia (either alone or combined with other therapies) were included and compared. We conducted a systematic review and meta-analysis by searching databases, such as MEDLINE, Cochrane Library, Embase, China National Knowledge Infrastructure, VIP, and Wanfang, from inception to July 15, 2019. No language restrictions were applied in this study. Results: Fourteen trials involving 936 participants had poor reporting and methodological quality. Our meta-analysis showed that compared to the speech and language therapy (SLT) group, acupuncture combined with SLT could improve the rate of Boston Diagnostic Aphasia Examination (BDAE) (OR: 0.15, 95% confidence interval [CI]: 0.04–0.25, p = 0.005), scores of Aphasia Battery of Chinese (ABC) which includes repeating ability (SMD: 1.46, 95% CI: 1.24–1.69, p < 0.00001), reading ability (SMD: 1.57, 95% CI: 1.25–1.90, p < 0.00001), writing ability (SMD: 1.52, 95% CI: 1.19–1.86, p < 0.00001), naming ability (SMD: 1.40, 95% CI: 1.04–1.76, p < 0.00001), and listening comprehension ability (SMD: 0.57, 95% CI: 0.22–0.92, p = 0.001). All RCTs were considered at high risk of biased assessment. Conclusions: Acupuncture (either alone or combined with SLT) may be effective for poststroke aphasia. In the future, rigorous clinical trials with an accurate method design and high reporting quality are required to validate our results.

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