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KMID : 1020120090070010023
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Journal of the Korean Academy of Clinical Electrophysiology
2009 Volume.7 No. 1 p.23 ~ p.27
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The Influence of Medium Frequency Currents According to Frequency on Sensory Threshold
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Yu Jin-Ho
Hwang Tae-Yeun
Jeong Jin-Gyu
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Abstract
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Purpose : The purpose of this study was to analysis the effect of electrical stimulation for dysphagia caused by cerebral infarction.
Methods : We recruited nineteen adults after cerebral infarction(14 male, 5 female; mean age, 69y) for our study. Electrical stimulation was used for participants with electrical stimulator connected to two pair of electrodes positioned on the neck for one hour a day and 5 times a week for 4 weeks. Maximum tolerated stimulation levels were applied at rest while participants held their mouth closed. Videofluoroscopic recordings, physical examination of swallowing, and swallow function score were used to evaluate swallowing state of participants. All evaluate items were evaluated before and after treatment.
Results : There was no significance difference of swallowing stage. The swallow function score significantly increased from 1.8 to 5.3(p<0.001). Also, cough reflex(p<0.001), laryngeal excursion(p<0.01) were significantly reduced compared to before electrical stimulation.
Conclusion : Therefore, electrical stimulation for dysphasia is proved effective as it activates the function of swallowing muscle.
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KEYWORD
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Medium frequency, Pain, Tactile, Two-point discrimination
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