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Comparison of Video Head Impulse Test with Posterior Semicircular Canal Plane and Cervical Vestibular Evoked Myogenic Potential
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Jin Su Park, Yong Woo Lee, Jung Yup Lee, Jae Ho Ban, Sun O Chang, Min-Beom Kim
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Res Vestib Sci. 2016;15(3):74-79. Published online September 15, 2016
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DOI: https://doi.org/10.21790/rvs.2016.15.3.74
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 Abstract
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- Objective: Cervical vestibular evoked myogenic potential (cVEMP) is thought to be assessing the function of the saccule and inferior vestibular nerve. Therefore, cVEMP indirectly reflects the function of the posterior semicircular canal. Recently, the video head impulse test (vHIT) is considered as useful clinical tool to detect each semicircular canal dysfunction. Goal of this study was to evaluate and compare the results of cVEMP with posterior canal plane of vHIT (p-vHIT).
Methods
Retrospectively, we compared the results of cVEMP with p-vHIT in 43 patients who visited with dizziness. We analyzed the inter-test agreement of cVEMP with p-vHIT.
Results
Positive asymmetry of cVEMP was present in 37.2% (16/43), and no responses of both ears were identified in 16.3% (7/43). In p-vHIT analysis, unilateral positive was 27.9% (12/43), bilateral positive was 11.6% (5/43) and negative in both sides was 60.5% (26/43). The inter-test agreement between cVEMP and p-vHIT was 75.8% (25/33) as we considered even in lesion side. And, Fleiss’s kappa value showed a fair to good agreement (kappa value=0.559). In bilateral no response group (7 patients) in cVEMP, variable additional information could be obtained using p-vHIT.
Conclusion
cVEMP and p-vHIT showed relatively lower inter-test agreement than expected. But, p-vHIT could be easily performed, and give additional information for differential diagnosis.
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Citations
Citations to this article as recorded by  - Clinical Characteristics of the Patients with Dizziness after Car Accidents
Young Min Hah, Chul Won Yang, Sang Hoon Kim, Seung Geun Yeo, Moon Suh Park, Jae Yong Byun
Korean Journal of Otorhinolaryngology-Head and Nec.2017; 60(8): 390. CrossRef
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