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Vestibular Function Modulates the Benefit of Hearing Aids in People With Hearing Loss During Static Postural Control

Maheu, M.1,2; Behtani, L.1; Nooristani, M.1; Houde, M. S.1; Delcenserie, A.1,3; Leroux, T.1,2; Champoux, F.1,2

doi: 10.1097/AUD.0000000000000720
Research Articles
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Objectives: To evaluate the influence of auditory cues on postural sway in normal-hearing (NH) individuals, hearing-impaired individuals with vestibular impairment (HIVL), or hearing-impaired (HI) individuals without vestibular impairment.

Design: Thirty-two participants received a hearing and a vestibular evaluation (vHIT, oVEMP, cVEMP) and then were separated in to three groups (NH, HI, HIVL). All participants had to stand on a force platform in four postural conditions (A: EO/firm, B: EC/firm, C: EO/Foam, D: EC/Foam) under two auditory conditions, with or without auditory cues.

Results: Results revealed that first, there was a significant difference between HIVL and both HI and NH groups in conditions C and D without auditory cues. Second, greater improvement for HIVL compared to NH and HI groups in condition C and D was observed with auditory cues. Finally, somatosensory reliance significantly decreased for the HIVL participants using hearing aids compared to NH and HI.

Conclusions: Our results suggest that hearing aids benefit for postural control may be modulated by vestibular function.

1École d’orthophonie et d’audiologie, Université de Montréal, Québec, Montréal, Canada

2CIUSSS Centre-Sud-de-l’île-de-Montréal/Institut Raymond-Dewar, Québec, Montréal, Canada

3Département de psychologie, Université de Montréal, Québec, Montréal, Canada.

Received September 17, 2018; accepted January 28, 2019.

This research was funded by the Institut de Recherche Robert-Sauvé en santé et sécurité au travail, the Canadian Institutes of Health Research (CIHR), and the Natural Sciences and Engineering Research Council of Canada (NSERC).

M. M, L. B., M. N. M. S. H., and F. C. designed and performed the experiment. T. L. helped with data analysis. M. M. and F. C wrote the article and A. D., T. L. helped in the authorship. All authors discussed the results and implications and commented on the manuscript at all stages.

The authors have no conflicts of interest to disclose.

Address for correspondence: Maxime Maheu, Faculté de médecine, École d’orthophonie et d’audiologie, Université de Montréal, C.P. 6128, Succursale Centre-Ville, Montréal, QC, H3C 3J7, Canada. E-mail: maxime.maheu@umontreal.ca

Online date: April 05, 2019

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