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Updated: Jun 9, 2025
Utilizing Repetitive Transcranial Magnetic Stimulation to Improve Language Function in Stroke Patients with Chronic Non-fluent Aphasia
Published on: July 2, 2013
Evaluating the impact of transcranial electrical stimulation on post-stroke dysphagia: a systematic review and
Yanan Zhao1, Zhicheng Zhang2, Cuicui Wang1
1Rehabilitation Department of Encephalopathy Centre, the Third Clinical Hospital Affiliated to Changchun University of Traditional Chinese Medicine, Changchun, Jilin Province, China.
Objective:
To conduct a systematic review and meta-analysis to assess the impact of transcranial electrical stimulation (TES), proposed as a potential therapy for post-stroke dysphagia, on swallowing function in stroke survivors.
Methods:
The PubMed, Embase, Web of Science, and Cochrane Library databases were searched for relevant studies on TES for post-stroke dysphagia. Search results were reviewed following PRISMA guidelines, and the following data were extracted from included studies: study characteristics, demographics, and outcomes. Bias was assessed using the Cochrane tool. Heterogeneity and effect sizes were analysed using I2 statistics and appropriate effects models. The study protocol was registered with PROSPERO (registration No. CRD42024578243).
Results:
Six randomized controlled trials met the inclusion criteria (I2 = 0.0%). The meta-analysis indicated a significant improvement in dysphagia with TES (standardized mean difference [SMD] 0.43, 95% confidence interval [CI] 0.13, 0.73). Subgroup analysis suggested that low-intensity TES was effective (SMD 0.46, 95% CI 0.09, 0.82), whereas high-intensity TES showed no significant improvement (SMD 0.37, 95% CI -0.17, 0.91). No publication bias was detected.
Conclusion:
TES may improve swallowing in stroke patients, with potential benefits from low-intensity protocols.
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