Respiratory-swallow coordination training using bimodal signal biofeedback for patients with post-stroke dysphagia: a randomized controlled trial.

Lian Wang; Jia Qiao; Zhenhai Wei; Xiaoqin Liu; Xiaomei Wei; Zulin Dou

doi:10.1080/07853890.2025.2607218

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Respiratory-swallow coordination training using bimodal signal biofeedback for patients with post-stroke dysphagia: a randomized controlled trial.

Lian Wang·Jia Qiao·Zhenhai Wei·Xiaoqin Liu·Xiaomei Wei·Zulin Dou

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Abstract

OBJECTIVE: The purpose was to investigate the effects of respiratory-swallow coordination training with bimodal signal biofeedback on swallowing function in patients with post-stroke dysphagia. METHODS: Post-stroke dysphagia Patients were randomly assigned to either the control group or the experimental group. The control group received conventional rehabilitation, while the experimental group underwent additional respiratory-swallow coordination training based on biofeedback. The training protocol consisted of three phases, conducted at an intensity of 30 min/day, 6 days/week, for two consecutive weeks. Outcome measures included the Functional Oral Intake Scale (FOIS) score, the Rosenbek Penetration-Aspiration Scale (PAS) score, respiratory-swallow coordination, and videofluoroscopic swallowing study temporal and kinematic parameter. Assessments were conducted at baseline, post-treatment, and at a one-month follow-up. RESULTS: Thirty patients were enrolled. Both groups showed significant improvement in FOIS scores from baseline to both two-week post-treatment and one-month follow-up (p < 0.001). Compared to the controls, the experimental group demonstrated significantly greater FOIS scoreimprovement at both post-treatment and follow-up (p < 0.001). The proportion of patients with a ≥ 2-point increase in FOIS scores was significantly higher in the experimental group than in the control group at both post-treatment (p < 0.01) and one-month follow-up (p < 0.01). After two weeks of treatment, the percentage of PAS scores ≥6 was significantly lower in the experimental group than in the control group (p < 0.001). Additionally, the percentage of optimal respiratory-swallow pattern was significantly higher in the experimental group than in the control group (p < 0.001). CONCLUSION: Bimodal signal biofeedback-based respiratory-swallow coordination training can effectively improve respiratory-swallow coordination and swallowing function in patients with post-stroke dysphagia.

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Humans Deglutition Disorders Male Female Biofeedback, Psychology Stroke Aged Middle Aged Stroke Rehabilitation Deglutition Treatment Outcome Breathing Exercises biofeedback dysphagia respiratory-swallow coordination Journal Article Randomized Controlled Trial Research Support, Non-U.S. Gov't

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Lian Wang, Jia Qiao, Zhenhai Wei, Xiaoqin Liu, Xiaomei Wei, Zulin Dou. 2025-12-29. Respiratory-swallow coordination training using bimodal signal biofeedback for patients with post-stroke dysphagia: a randomized controlled trial.. https://doi.org/10.1080/07853890.2025.2607218

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Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't resource Aged subject Female subject Humans subject Journal Article subject Male subject Middle Aged subject Randomized controlled trials study dysphagia subject

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