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Published on: July 5, 2017
Effects of resistance expiratory muscle strength training in elderly patients with dysphagic stroke
Mi-Ja Eom1, Moon-Young Chang2, Dong-Hwan Oh3
1Department of Physical Medicine and Rehabilitation, Busan Paik Hospital of Inje University, Republic of Korea.
Background:
Recently, resistance expiratory muscle strength training (EMST) has been reported as a remedial treatment for dysphagia.
Objective:
To investigate the effect of resistance EMST on the swallowing function in stroke patients with oropharyngeal dysphagia.
Methods:
Forty-two stroke patients with dysphagia were randomly assigned to two groups: an experimental group (n = 13) and a placebo group (n = 13). The experimental group performed EMST using a portable EMST device, while the placebo group performed EMST using a sham EMST device with no loading. The intervention was performed 5 days per week for 4weeks, in five sets of 5 breaths through the device for a total of 25 breaths per day. Both groups underwent conventional dysphagia treatment for 30 minutes/day, 5 days/week, for 4 weeks. Videofluoroscopic dysphagia scale (VDS) and penetration-aspiration scale (PAS) based on a videofluoroscopic swallowing study (VFSS) were assessed to analyze the oropharyngeal swallowing function.
Results:
The experimental group showed more improvement in pharyngeal phase of the VDS (p = 0.018 and 0.006, respectively) and PAS compared to the placebo group (p = 0.014).
Conclusions:
We suggest that EMST could improve the effects of dysphagia observed in post-stroke elderly patients based on swallowing function.
