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Effectiveness of the sternocleidomastoid muscle contraction asymmetry and filter: cervical vestibular evoked myogenic potential

Published online by Cambridge University Press:  15 August 2023

G Hançer Arslan Open the ORCID record for G Hançer Arslan [Opens in a new window] ,
M Arslan Open the ORCID record for M Arslan [Opens in a new window] ,
O T Aran ,
E H Özberk  and
M Baydan Aran
G Hançer Arslan*
Affiliation:
Department of Audiometry, Vocational School of Health Services, Trakya University, Edirne, Turkey
M Arslan
Affiliation:
Department of Audiology, Faculty of Health Sciences, Trakya University, Edirne, Turkey
O T Aran
Affiliation:
Department of Occupational Therapy, Faculty of Health Sciences, Hacettepe University, Ankara, Turkey
E H Özberk
Affiliation:
National Foundation for Educational Research, London, UK
M Baydan Aran
Affiliation:
Department of Audiology, Faculty of Health Sciences, Ankara University, Ankara, Turkey
*
Corresponding author: Gülçin Hançer Arslan, Email: gulcinarslan@trakya.edu.tr
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Abstract

Objective

This study aimed to determine the precautions that can be taken to increase the reliability of the vestibular evoked myogenic potentials test without being affected by the asymmetry of the sternocleidomastoid muscle and the issues that should be considered in the interpretation of vestibular evoked myogenic potential results if these precautions are not taken.

Method

Individuals with sternocleidomastoid muscle activity of less than 30 μV in cervical vestibular evoked myogenic potential testing and an asymmetry ratio of more than 0.35 were excluded. In our study, individuals were divided into different groups according to sternocleidomastoid muscle asymetry.

Results

A total of 53 individuals were included in the study. Intergroup comparisons were made to determine the effect of electromyogram scaling and filter use on amplitude asymmetry ratio according to sternocleidomastoid muscle asymmetry.

Conclusion

Keeping the sternocleidomastoid muscle asymmetry not exceeding 10 μV maximises the reliability of cervical vestibular evoked myogenic potentials. As a result of our study, it can be concluded that in clinical applications the asymmetry should not exceed 20 μV.

Keywords

AsymmetryelectrophysiologyfilterratioVEMPvestibular system
Type
Main Article
Information
The Journal of Laryngology & Otology , Volume 138 , Issue 4 , April 2024 , pp. 410 - 415
Copyright
Copyright © The Author(s), 2023. Published by Cambridge University Press on behalf of J.L.O. (1984) LIMITED

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Footnotes

Gülçin Hançer Arslan takes responsibility for the integrity of the content of the paper

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