KMID : 0603920120200030119
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Journal of Korean Academy of Occupational Therapy 2012 Volume.20 No. 3 p.119 ~ p.133
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A Comparison of Electrical Stimulation Treatment Effects Between Motor Stimulation Intensity and Sensory Stimulation Intensity in Dysphagia Patients
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Lee Su-Jung
Jung Min-Ye Yoo Eun-Young Park Ji-Hyuk
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Abstract
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Objective : This study aimed to compare the difference in the effects of treatment between motor and sensory stimulation intensities on the swallowing function of stroke patients with dysphagia.
Methods : Eighteen cerebral infarction dysphagic patients were recruited based on VFSS. Electrical stimulation was applied to the neck muscles of the patients for 30 minutes a day, five days a week for four weeks. In addition, before the electrical stimulation treatment, an oral motor treatment was applied to both groups for 30 minutes. The patients¡¯swallowing function and nutritional state were evaluated using FDS, a P-A scale, and ASHA NOMS using VFSS.
Results : After 4 weeks of electrical stimulation, both groups showed significant improvement in their total scores for the pharyngeal phase in FDS (p<.05), ASHA NOMS (p<.05), and significantly reduced valleculae and pyriform sinus residue (p<.05). For the P-A scale, the motor stimulation group showed significant improvement in semi-solid type food (p<.05), but the sensory stimulation group showed significant improvement in all food types (p<.05). There was no difference in the swallowing function improvement for the two groups (p>.05).
Conclusion : These results indicate that sensory electrical stimulation has a positive effect on the swallowing function, and is more effective in decreasing penetration and aspiration than motor electrical stimulation. The electrical stimulation intensity can be modulated according to the patient¡¯s characteristics in a clinical setting.
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KEYWORD
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Cerebral infarction, Dysphagia, Electrical stimulation therapy, Motor stimulation, Sensory stimulation
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