Li Jiayao, Liu Zejian, Zhao Henan, Chen Yuan, Qi Hongjing, Zhang Jun, Sun Jie
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引用次数: 0
Abstract
Background: Multiple studies have substantiated that repetitive transcranial magnetic stimulation (rTMS) is effective in improving the swallowing function of patients with post-stroke dysphagia (PSD). Nevertheless, the choice of stimulation methods diverges, underpinned by different recovery theories. Among the distinct stimulation approaches currently in use, which one yields the most optimal therapeutic outcomes remains unexplored.
Objective: To evaluate the rehabilitation efficacy of different rTMS methods on the swallowing function of PSD patients through network meta-analysis and traditional meta-analysis.
Methods: We searched eight databases to identify articles on rTMS treatment for PSD from inception to May 5, 2024, and screened them using EndNote 20.0. The quality of articles was evaluated by Cochrane risk bias assessment criteria, and Stata 17.0 was adopted for meta-analysis. Standardised swallowing assessment (SSA), penetration aspiration scale (PAS), and dysphagia outcome and severity scale (DOSS) served as the outcome measures of the study.
Results: A total of 27 articles involving 1694 patients were selected. The studies encompassed five types of stimulation methods: high-frequency rTMS on the ipsilateral hemisphere (iHF-rTMS), low-frequency rTMS on the contralateral hemisphere (cLF-rTMS), high-frequency rTMS on the contralateral hemisphere (cHF-rTMS), high-frequency rTMS on the bilateral hemispheres (biHF-rTMS), and iHF-rTMS + cLF-rTMS (iHF-cLF-rTMS). Compared with placebo, iHF-cLF-rTMS [mean difference (MD) = -11.34, 95% confidence interval (CI): -14.57 to -8.12], biHF-rTMS (MD = -6.52, 95% CI: -8.50 to -4.55), cHF-rTMS (MD = -2.84, 95% CI: -4.37 to -1.31), and iHF-rTMS (MD = -1.89, 95% CI: -2.82 to -0.96) showed significantly better effects on improving SSA of patients with PSD. According to traditional meta-analysis, for patients with post-stroke time < 1 month, iHF-rTMS (MD = -0.558, 95% CI: -0.966 to -0.150) demonstrated a superior therapeutic outcome of SSA, while for those with post-stroke time ≥ 1 month, SSA was more significantly improved in cHF-rTMS (MD = -0.760, 95% CI: -1.193 to -0.327) and iHF-rTMS (MD = -0.428, 95% CI: -0.665 to -0.129) groups, when compared with placebo.
Conclusions: Bilateral stimulation protocols (biHF-rTMS and iHF-cLF-rTMS) confer superior efficacy over unilateral approaches. Early application of iHF-rTMS shows advantages. However, methodological limitations, including heterogeneity in stimulation parameters, small sample sizes in subgroup analyses, and insufficient long-term follow-up, warrant cautious interpretation. Future high-powered RCTs with standardised protocols are imperative to optimise rTMS-based precision rehabilitation.
期刊介绍：
Journal of Oral Rehabilitation aims to be the most prestigious journal of dental research within all aspects of oral rehabilitation and applied oral physiology. It covers all diagnostic and clinical management aspects necessary to re-establish a subjective and objective harmonious oral function.
Oral rehabilitation may become necessary as a result of developmental or acquired disturbances in the orofacial region, orofacial traumas, or a variety of dental and oral diseases (primarily dental caries and periodontal diseases) and orofacial pain conditions. As such, oral rehabilitation in the twenty-first century is a matter of skilful diagnosis and minimal, appropriate intervention, the nature of which is intimately linked to a profound knowledge of oral physiology, oral biology, and dental and oral pathology.
The scientific content of the journal therefore strives to reflect the best of evidence-based clinical dentistry. Modern clinical management should be based on solid scientific evidence gathered about diagnostic procedures and the properties and efficacy of the chosen intervention (e.g. material science, biological, toxicological, pharmacological or psychological aspects). The content of the journal also reflects documentation of the possible side-effects of rehabilitation, and includes prognostic perspectives of the treatment modalities chosen.
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