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Published in: Neurological Sciences 7/2021

01-07-2021 | Evoked Potential | Original Article

The clinical utility of the cervical vestibular-evoked myogenic potential (cVEMP) in university-level athletes with concussion

Authors: Lilian Felipe, Jeremy A. Shelton

Published in: Neurological Sciences | Issue 7/2021

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Abstract

Introduction

Concussion is defined as a mild traumatic brain injury that can occur in all sport activities. Cervical vestibular-evoked myogenic potentials (cVEMPs) are accepted to demonstrate the vestibulocollic reflex.

Main

To evaluate subclinical cervical abnormalities in the vestibulospinal pathway in subjects with concussion history with and without related symptoms via evoked vestibular potential.

Methods

Monaurally air conduction cVEMP (500 Hz tone bursts) at intensity of 100 dBnHL and 200 sweeps. All responses were replicated.

Results

One hundred fifty-four participants were initially tested; however, three (03) participants did not produce usable data (no response) and were eliminated for the dataset cutoff values analysis, being considered just as abnormal response. One hundred fifty-one responses consisted of 45 non-athlete individuals without any history of a concussion or concussion symptoms (normative group), 45 athletes without any history of a concussion or concussion symptoms (control group), 33 athletes with a history of at least one concussion but no concussion symptoms related (history group), and 28 athletes with a history of at least one concussion and concussion symptoms (symptoms group). The history and symptoms groups had statistically higher latency scores than the control and the normative groups. The Index Ratio data and Threshold data did not produce a significant effect for four groups. But, a pattern of abnormal cVEMP was found when comparing those without a history of concussion (0% abnormal response) versus the history group (24%) and symptoms group (32.3%).

Conclusion

The study provides data which supports the positive impact of cVEMP when evaluating athletes and identifying concussion processes.
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Metadata
Title
The clinical utility of the cervical vestibular-evoked myogenic potential (cVEMP) in university-level athletes with concussion
Authors
Lilian Felipe
Jeremy A. Shelton
Publication date
01-07-2021
Publisher
Springer International Publishing
Published in
Neurological Sciences / Issue 7/2021
Print ISSN: 1590-1874
Electronic ISSN: 1590-3478
DOI
https://doi.org/10.1007/s10072-020-04849-w

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