Does repetitive transcranial magnetic stimulation have a beneficial effect on improving unilateral spatial neglect caused by stroke? A meta-analysis.

Publisher: Springer-Verlag Country of Publication: Germany NLM ID: 0423161 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1432-1459 (Electronic) Linking ISSN: 03405354 NLM ISO Abbreviation: J Neurol Subsets: MEDLINE

Original Publication: Berlin ; New York, Springer-Verlag

Perceptual Disorders*/etiology ; Perceptual Disorders*/therapy ; Perceptual Disorders*/rehabilitation ; Stroke*/complications ; Stroke*/therapy ; Transcranial Magnetic Stimulation*/methods; Humans ; Outcome Assessment, Health Care ; Stroke Rehabilitation/methods

This review aimed to assess the effect of repetitive transcranial magnetic stimulation (rTMS) in improving post-stroke unilateral spatial neglect (USN) using a meta-analysis. Further, we aimed to identify any association between rTMS parameters, patient demographics, and treatment effect sizes using subgroup analyses and meta-regression. A literature search was conducted through four databases from inception to March 6, 2024, to retrieve all relevant controlled trials investigating the effects of rTMS on symptoms of USN in post-stroke patients. Overall, rTMS significantly improved post-stroke USN, as measured by the line bisection test (Hedges' g = - 1.301, p < 0.0001), the cancelation test (Hedge's g = - 1.512, p < 0.0001), and the Catherine Bergego Scale (Hedges'g = - 0.770, p < 0.0001), compared to sham stimulation. Subgroup analysis found that generally larger effect sizes following excitatory rTMS across several outcome measures, indicating that excitatory rTMS on the ipsilesional hemisphere may be more effective than inhibitory rTMS on the contralesional hemisphere in ameliorating neglect symptoms. Meta-regression analysis of the line bisection test showed a significant difference in the chronicity of stroke patients, suggesting that rTMS may be more effective for USN in patients at the acute stage (within 3 months since stroke) than in those at the post-acute stage (p = 0.035). In conclusion, rTMS appears to be effective in promoting recovery from post-stroke USN. Excitatory protocols and early intervention may enhance recovery outcomes for neglect behaviors in post-stroke survivors.
(© 2024. The Author(s).)

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P0048866 Hong Kong Polytechnic University

Keywords: Meta-analysis; Rehabilitation; Repetitive transcranial magnetic stimulation; Stroke; Unilateral spatial neglect

Date Created: 20240828 Date Completed: 20241002 Latest Revision: 20241119

20241119

PMC11446973

10.1007/s00415-024-12612-w

39196395