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The clinical course of vestibular neuritis from the point of view of the ocular vestibular evoked myogenic potential

Published online by Cambridge University Press:  10 January 2022

L Manzari*
Affiliation:
MSA ENT Academy Center, Cassino, Italy
D Graziano
Affiliation:
MSA ENT Academy Center, Cassino, Italy
G Zambonini
Affiliation:
ENT Department, University of Perugia, Italy
M Faralli
Affiliation:
ENT Department, University of Perugia, Italy
G Morone
Affiliation:
Fondazione Santa Lucia Scientific Institute for Research and Healthcare, Rome, Italy
M Tramontano
Affiliation:
Fondazione Santa Lucia Scientific Institute for Research and Healthcare, Rome, Italy
*
Author for correspondence: Dr L Manzari, MSA ENT Academy Center, Cassino03043, Italy E-mail: [email protected]

Abstract

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° to more than +2°) 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° to less than +2°).

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.

Type
Main Articles
Copyright
Copyright © The Author(s), 2022. Published by Cambridge University Press on behalf of J.L.O. (1984) LIMITED.

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Footnotes

Dr L Manzari takes responsibility for the integrity of the content of the paper

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