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ABSTRACT
Background
Previous studies indicated inconsistent results for the treatment effect of repetitive transcranial magnetic stimulation (rTMS) on attention and memory impairment following stroke.
Methods
Randomized controlled trials (RCTs) on TMS for the treatment of stroke were retrieved from Online databases. Data were analyzed by RevMan 5.3 software.
Results
Ten RCTs performed in China were included, with a total of 591 younger post-stroke patients ranging in age from their 40s to their 60s. The meta-analysis indicated that TMS could significantly improve the recovery of cognitive impairment following a stroke, according to the Montreal Cognitive Assessment (MoCA) score (8 studies, MD = 2.69, 95% CI: 1.44 to 3.95, P < 0.0001), the Rivermead Behavioral Memory Test (RBMT) score (7 studies, MD = 1.74, 95% CI:1.13 to 2.34, P < 0.00001), and the Modified Barthel Index (MBI) for Activities of Daily Living (3 studies, MD = 8.83, 95% CI:5.34 to 12.32, P < 0.00001). Sub-group analysis of MoCA and RBMT suggested that a low-frequency (1 Hz) stimulation exhibited similar effect with a higher-frequency (10 Hz) treatment.
Discussion
TMS might effectively improve the attention and memory impairment of stroke patients without increasing side effects. But this effect needs to be verified by more multi-center, high-quality, large-sample, rigorously designed RCTs.
Author contributions
(I) Conception and design: W-W Xu and D-W Zhu; (II) Administrative support: D-W Zhu; (III) Provision of study materials or patients: W-W Xu and Q-H Liao; (IV) Collection and assembly of data: Q-H Liao and D-W Zhu; (V) Data analysis and interpretation: W-W Xu and D-W Zhu; (VI) Manuscript writing: All authors; (VII) Final approval of manuscript for publication: All authors.
Declaration of interest
The authors have no other relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript apart from those disclosed.
Reviewer disclosures
Peer reviewers on this manuscript have no relevant financial or other relationships to disclose.
Ethical statement
The authors are accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved.