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Published in: European Archives of Oto-Rhino-Laryngology 11/2019

01-11-2019 | Parkinson's Disease | Otology

Splenius capitis: sensitive target for the cVEMP in older and neurodegenerative patients

Authors: Fatema Mohammed Ali, Martin Westling, Luke Hong Lu Zhao, Brian D. Corneil, Aaron J. Camp

Published in: European Archives of Oto-Rhino-Laryngology | Issue 11/2019

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Abstract

Background

The vestibular evoked myogenic potential (VEMP) is a technique used to assess vestibular function. Cervical VEMPs (cVEMPs) are obtained conventionally from the sternocleidomastoid (SCM) muscle; however, the dorsal neck muscle splenius capitis (SPL) has also been shown to be a reliable target alongside the SCM in young subjects.

Objective

This study aimed to compare cVEMPs from the SCM and SPL in two positions across young, older, and Parkinson’s disease (PD) patients.

Method

Experiments were carried out using surface EMG electrodes placed over the SCM and SPL. cVEMPs were measured using a 30 s, 126 dB sound stimulus with 222 individual tone bursts, while subjects were in a supine and head-turned posture (also known as the head elevation method), and in a seated head-turned posture.

Results

When comparing cVEMPs across positions, the incidence of supine and seated SCM-cVEMPs diminished significantly in older and PD patients in comparison with young subjects. However, no statistically significant differences in incidences were found in seated SPL-cVEMPs when comparing young, older and PD patients. SPL-cVEMPs were present significantly more often than seated SCM-cVEMPs in PD patients.

Conclusions

SPL-cVEMPs are not altered to the same extent that SCM-cVEMPs are by aging and disease and its addition to cVEMP testing may reduce false-positive tests for vestibulopathy.
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Metadata
Title
Splenius capitis: sensitive target for the cVEMP in older and neurodegenerative patients
Authors
Fatema Mohammed Ali
Martin Westling
Luke Hong Lu Zhao
Brian D. Corneil
Aaron J. Camp
Publication date
01-11-2019
Publisher
Springer Berlin Heidelberg
Published in
European Archives of Oto-Rhino-Laryngology / Issue 11/2019
Print ISSN: 0937-4477
Electronic ISSN: 1434-4726
DOI
https://doi.org/10.1007/s00405-019-05582-7

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