Objective To analyze the application effect of high-frequency repetitive transcranial magnetic stimulation(rTMS)combined with respiratory muscle training in patients with post-stroke dysphagia(PSD),and provide a basis for clinical rehabilitation training and treatment.Methods A total of 118 PSD patients diagnosed and treated in Chun'an Branch of Zhejiang Provincial People's Hospital from May 2021 to November 2023 were selected retrospectively.They were divided into two groups according to the admission time,with 59 cases in each group.The control group received routine respiratory muscle training,and the research group was treated with high-frequency cerebellar rTMS on the basis of it.The swallowing function,mandibular hyoid muscle motor evoked potential(MEP),brainstem auditory evoked po-tential(BAEP),aspiration pneumonia,and incidence of aspiration were compared between the two groups.Results After three weeks of intervention,the standardized swallowing assessment(SSA)score of the study group(21.47±2.51)was lower than that of the control group(24.25±2.38),and the grade Ⅰ-Ⅱ(84.75％)of Wadian drinking water test was higher than that of the control group(32.71％),with statistical significance(P＜0.05).The latency of MEP in the study group was lower than that in the control group,and the amplitude of MEP was higher than that in the control group,with statistical significance(P＜0.05).The latency of Ⅰ,Ⅲ,and Ⅴ waves and the latency between the peaks of Ⅰ-Ⅲ,Ⅲ-Ⅴ,and Ⅰ-Ⅴ in the study group were significantly shorter than those in the control group,with statistical sig-nificance(P＜0.05).The total incidence of aspiration pneumonia and aspiration in the study group was lower than that in the control group,and the difference was statistically significant(P＜0.05).Conclusion High-frequency cerebellar rT-MS combined with respiratory muscle training has a certain effect in PSD patients,which can shorten BAEP,regulate MEP of mandibular hyoid muscle,improve swallowing function of patients,and reduce the risk of aspiration pneumonia and aspiration to some extent.
Dysphagia after strokeRepetitive transcranial magnetic stimulationRespiratory muscle trainingBrainstem auditory evoked potentialMotor evoked potential of mandibular hyoid muscle
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