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KMID : 1039520170210010016
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Journal of Audiology & Otology
2017 Volume.21 No. 1 p.16 ~ p.21
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Effect of Age and Severity of Facial Palsyon Taste Thresholds in Bell’s Palsy Patients
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Park Jung-Min
Kim Myung-Gu
Jung Jun-Yang
Kim Sung-Su
Jung A-Ra
Kim Sang-Hoon
Yeo Seung-Geun
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Abstract
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Background and Objectives: To investigate whether taste thresholds, as determined by electrogustometry (EGM) and chemical taste tests, differ by age and the severity of facial palsy in patients with Bell’s palsy.
Subjects and Methods: This study included 29 patients diagnosed with Bell’s palsy between January 2014 and May 2015 in our hospital. Patients were assorted into age groups and by severity of facial palsy, as determined by House-Brackmann Scale, and their taste thresholds were assessed by EGM and chemical taste tests.
Results: EGM showed that taste thresholds at four locations on the tongue and one location on the central soft palate, 1 cm from the palatine uvula, were significantly higher in Bell’s palsy patients than in controls (p<0.05). In contrast, chemical taste tests showed no significant differences in taste thresholds between the two groups (p>0.05). The severity of facial palsy did not affect taste thresholds, as determined by both EGM and chemical taste tests (p>0.05). The overall mean electrical taste thresholds on EGM were higher in younger Bell’s palsy patients than in healthy subjects, with the difference at the back-right area of the tongue differing significantly (p<0.05). In older individuals, however, no significant differences in taste thresholds were observed between Bell’s palsy patients and healthy subjects (p>0.05).
Conclusions: Electrical taste thresholds were higher in Bell’s palsy patients than in controls. These differences were observed in younger, but not in older, individuals.
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KEYWORD
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Bell’s palsy, Taste, Electrogustometry, Chemical taste test
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