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Vestibular findings after cochlear implant surgery measured by video head impulse test (vHIT): A double blinded, randomised clinical trial

Presenting Author: Leise Hviid Korsager

Published online by Cambridge University Press:  03 June 2016

Leise Hviid Korsager ,
Jens Hoejberg Wanscher ,
Jesper Hvass Schmidt  and
Christian Faber
Leise Hviid Korsager
Affiliation:
Odense University Hospital
Jens Hoejberg Wanscher
Affiliation:
Department of Rhinolaryngology, Odense University Hospital
Jesper Hvass Schmidt
Affiliation:
Department of Audiology, Odense University Hospital
Christian Faber
Affiliation:
Department of Rhinolaryngology, Odense University Hospital
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Abstract

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Type
Abstracts
Information
The Journal of Laryngology & Otology , Volume 130 , Supplement S3: Abstracts for the 10th International Conference on Cholesteatoma , May 2016 , pp. S192
Copyright
Copyright © JLO (1984) Limited 2016 

Learning Objectives:

Introduction: Dizziness is a common side effect to cochlear implant (CI) surgery. Regarding the CI surgical technique, there is no clear evidence if one approach (round window approach) leads to less dizziness than another approach (cochleostomy).

The main objective to this study is to investigate any difference between the two surgical approaches measured by video head impulse test (vHIT). Secondly we compare the objective findings with the subjective dizziness perceived by the patient.

Method: Fifty patients who will undergo CI surgery at OUH will be examined with vHIT prior to their surgery, the day after their surgery and one month after. They will fill out a Dizziness Handicap Inventory (DHI) scheme and VAS score according to their dizziness.

Subjects are randomized to either the round window approach or the cochleostomy approach. Subjects are stratified according to age (+/− 60), hearing rest and gain prior to surgery (+/-0,68). The randomization is blinded for investigator and subject.

Inclusion period ends at 1st of April 2016.

Results: Results will be revealed at the conference.

Conclusion: The results of this study could have influence on the future choice of approach of electrode insertion in cochlear implant surgery.