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KMID : 1235520200190020055
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Research in Vestibular Science
2020 Volume.19 No. 2 p.55 ~ p.61
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Comparison of Predictive Parameters between the Video Head Impulse Test and Caloric Test
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Han Chun
Paik Seung-Won
Yang Hui-Joon
Park Sang-Yoo
Lee Ji-Hyeon
Seo Young-Joon
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Abstract
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Objectives: The aim of this paper was to determine if a correlation exists between video head impulse test (vHIT) and electronystagmography with caloric test (ENG). More specifically, comparison of covert and overt value from vHIT test with cold and warm stimulation value from ENG test.
Method: Retrospective study of our single institue from the period of January 2015 to January 2017 enrolled 91 patients. Patients were divided into 3 groups by their diagnosis of either vestibular neuritis (VN), Meniere disease, or sudden sensorineural loss with vertigo accordingly. Each of the patients’ both ENG and vHIT data were recorded and parameters were evaluated.
Results: VN group was the only group to show a significant correlation between canal paresis (CP) with covert and overt saccades. Further analysis was done in the VN group and result showed covert saccade showing a larger area under the receiver operation characteristic curve value (0.77) compared to overt saccades (0.70), implying that covert saccade is a more accurate parameter for the prediction of the CP value. Furthermore, a positive correlation was seen between the gain value and the cold caloric stimulation value as well as between warm caloric stimulation value.
Conclusions: The value of our study lies in the fact that we have attempted to find a correlation between different parameters of 2 different vestibular tests. We concluded that the evaluation of overt nystagmus by the bedside head thrust test is inappropriate for predicting CP, and a vHIT is required to accurately evaluate vestibular function.
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KEYWORD
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Video head impulse test, Caloric test, Vestibular neuritis, Meniere disease, Sudden sensorineural hearing loss
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