The clinical course of vestibular neuritis from the point of view of the ocular vestibular evoked myogenic potential
JOURNAL OF LARYNGOLOGY AND OTOLOGY(2022)
摘要
Background Studying otolith functions after unilateral vestibular neuritis using ocular vestibular-evoked myogenic potentials and subjective visual vertical tests could give different results. Method A total of 39 patients underwent a vestibular assessment that included the Dizziness Handicap Inventory and horizontal and vertical semicircular canal function testing with video head impulse testing, ocular vestibular-evoked myogenic potential testing, cervical vestibular-evoked myogenic potentials and subjective visual vertical testing. Results All patients showed a significant alteration (asymmetry ratio more than 40 per cent) for ocular vestibular-evoked myogenic potentials as well as for subjective visual vertical testing (more than -2 degrees to more than +2 degrees) during the acute phase, whereas after 72 hours from the acute vertigo attack normal values (asymmetry ratio less than 40 per cent) were found in 6 out of 39 patients for ocular vestibular-evoked myogenic potentials and 36 out of 39 for the subjective visual vertical (less than -2 degrees to less than +2 degrees). Conclusion Ocular vestibular-evoked myogenic potentials are the most suitable test to evaluate otolith functions in patients with unilateral vestibular neuritis in the acute and sub-acute phase.
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关键词
Otolith, Acute Vestibular Neuritis, Acute Peripheral Vestibulopathies, Subjective Vertigo, Apparatus, Vestibular, Macula
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