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Characteristics and clinical use of ocular and cervical vestibular evoked myogenic potentials for evaluating paediatric candidates for cochlear implants

Published online by Cambridge University Press:  05 December 2016

X-D Xu ,
J Hu ,
Q Zhang ,
Y Zhang ,
X-T Zhang ,
Y-F Chen  and
M Xu
X-D Xu
Affiliation:
Department of Otorhinolaryngology Head and Neck Surgery, Second Affiliated Hospital of Xi'an Jiaotong University College of Medicine, Xi'an, China Department of Otology and Skull Base Surgery, Eye Ear Nose & Throat Hospital, Fudan University, Shanghai, China Shanghai Auditory Medical Center, Ministry of Health, Shanghai, China Key Laboratory of Hearing Science, Ministry of Health, Shanghai, China
J Hu
Affiliation:
Department of Otorhinolaryngology Head and Neck Surgery, Second Affiliated Hospital of Xi'an Jiaotong University College of Medicine, Xi'an, China
Q Zhang*
Affiliation:
Department of Otorhinolaryngology Head and Neck Surgery, Second Affiliated Hospital of Xi'an Jiaotong University College of Medicine, Xi'an, China
Y Zhang
Affiliation:
Department of Otorhinolaryngology Head and Neck Surgery, Second Affiliated Hospital of Xi'an Jiaotong University College of Medicine, Xi'an, China
X-T Zhang
Affiliation:
Department of Otorhinolaryngology Head and Neck Surgery, Second Affiliated Hospital of Xi'an Jiaotong University College of Medicine, Xi'an, China
Y-F Chen
Affiliation:
Department of Otorhinolaryngology Head and Neck Surgery, Second Affiliated Hospital of Xi'an Jiaotong University College of Medicine, Xi'an, China
M Xu
Affiliation:
Department of Otorhinolaryngology Head and Neck Surgery, Second Affiliated Hospital of Xi'an Jiaotong University College of Medicine, Xi'an, China
*
Address for correspondence: Dr Q Zhang, 157 Xiwu Road, Xincheng District, Xi'an 710004, China Fax: +86 29 87275892 E-mail: zhqent@163.com
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Abstract

Objective:

This study aimed to define the characteristics and use of ocular and cervical vestibular evoked myogenic potentials for evaluating paediatric cochlear implant candidates.

Methods:

Ocular and cervical vestibular evoked myogenic potentials of 34 paediatric cochlear implant candidates were analysed. All patients also underwent a routine audiological examination, including computed tomography.

Results:

In all, 27 patients with normal inner-ear structures had absent or impaired vestibular evoked myogenic potential responses. In paediatric candidates with inner-ear malformations, ocular and cervical vestibular evoked myogenic potentials had lower thresholds and higher amplitudes. Vestibular evoked myogenic potential responses in this cohort were classified into three groups. There was significant concordance between vestibular evoked myogenic potentials and temporal bone computed tomography findings.

Conclusion:

Ocular and cervical vestibular evoked myogenic potential waveforms were different in paediatric candidates with normal and abnormal inner-ear structures. Therefore, vestibular evoked myogenic potential responses can indicate temporal bone structure.

Keywords

Vestibular Evoked Myogenic PotentialsCochlear ImplantsVestibular Function TestsEar, Inner

Information

Type
Main Articles
Information
The Journal of Laryngology & Otology , Volume 131 , Issue 1 , January 2017 , pp. 56 - 63
Copyright
Copyright © JLO (1984) Limited 2016 

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