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<p>Upper limb impairment is among the common consequences of stroke. Combining transcranial direct current stimulation (tDCS) and mirror therapy (MT) have recently been used to improve neural plasticity and functional recovery. This review aims to evaluate the effects of combined tDCS and MT on upper limb function in patients with stroke. “PubMed, Scopus, Web of Science, CINAHL, PEDro, and EMBASE” were searched from their inception to March 2026. Randomized controlled trials investigating the combination of tDCS and MT in patients with stroke and assessing upper limb function were included. The quality and the certainty of evidence were evaluated. Seven studies (454 participants) met the eligibility criteria. Significant improvements were demonstrated in upper limb motor function (SMD = 0.73, 95% CI 0.34 to 1.12, <i>p</i> = 0.0002), activities of daily living (SMD = 0.84, 95% CI 0.46 to 1.22, <i>p</i> &lt; 0.0001), and neurophysiological outcomes reflecting corticospinal conduction efficiency, assessed using central motor conduction time (CMCT) (SMD = -1.26, 95% CI -1.60 to -0.92, <i>p</i> &lt; 0.0001). Subgroup analysis demonstrated greater effects in subacute stroke (SMD = 1.03, 95% CI 0.73 to 1.33). Other outcomes reported improvements in hand function and grip strength. Preliminary evidence suggests that combining tDCS and MT may improve upper limb motor and functional outcomes after stroke; however, these findings should be interpreted with caution due to heterogeneity and the limited data. Further studies are strongly needed.</p>

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Combined transcranial direct current stimulation and mirror therapy for upper limb rehabilitation in patients with stroke: a systematic review and meta-analysis

  • 期刊论文

  • 发表日期：

    2026年7月10日

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  • Anas R. Alashram

摘要

Upper limb impairment is among the common consequences of stroke. Combining transcranial direct current stimulation (tDCS) and mirror therapy (MT) have recently been used to improve neural plasticity and functional recovery. This review aims to evaluate the effects of combined tDCS and MT on upper limb function in patients with stroke. “PubMed, Scopus, Web of Science, CINAHL, PEDro, and EMBASE” were searched from their inception to March 2026. Randomized controlled trials investigating the combination of tDCS and MT in patients with stroke and assessing upper limb function were included. The quality and the certainty of evidence were evaluated. Seven studies (454 participants) met the eligibility criteria. Significant improvements were demonstrated in upper limb motor function (SMD = 0.73, 95% CI 0.34 to 1.12, p = 0.0002), activities of daily living (SMD = 0.84, 95% CI 0.46 to 1.22, p < 0.0001), and neurophysiological outcomes reflecting corticospinal conduction efficiency, assessed using central motor conduction time (CMCT) (SMD = -1.26, 95% CI -1.60 to -0.92, p < 0.0001). Subgroup analysis demonstrated greater effects in subacute stroke (SMD = 1.03, 95% CI 0.73 to 1.33). Other outcomes reported improvements in hand function and grip strength. Preliminary evidence suggests that combining tDCS and MT may improve upper limb motor and functional outcomes after stroke; however, these findings should be interpreted with caution due to heterogeneity and the limited data. Further studies are strongly needed.