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Unilateral Hearing Loss Is Associated With Impaired Balance in Children: A Pilot Study. | LitMetric

Unilateral Hearing Loss Is Associated With Impaired Balance in Children: A Pilot Study.

Otol Neurotol

*Department of Otolaryngology-Head and Neck Surgery†Department of Otolaryngology, National Children's Hospital, San Jose, Costa Rica‡Toronto Rehabilitation Institute§Archie's Cochlear Implant Laboratory, Department of Otolaryngology-Head and Neck Surgery, The Hospital for Sick Children, University of Toronto, Toronto, Canada.

Published: December 2016

AI Article Synopsis

Article Abstract

Objective: To determine if children with unilateral sensorineural hearing loss (UHL) demonstrate impaired balance compared with their normal hearing (NH) peers.

Study Design: Prospective, case-control study.

Methods: Balance was assessed in14 UHL and 14 NH children using the Bruininks-Oseretsky Test-2 (BOT-2) and time to fall (TTF) in an immersive, virtual-reality laboratory. Postural control was quantified by center of pressure (COP) using force plates. The effect of vision on balance was assessed by comparing scores and COP characteristics on BOT-2 tasks performed with eyes open and closed.

Results: Balance ability as measured by the BOT-2 score was significantly worse in children with UHL compared with NH children (p = 0.004). TTF was shorter in children with UHL compared with NH children in the most difficult tasks when visual and somatosensory inputs were limited (p < 0.01). Visual input improved postural control (reduced COP variability) in both groups in all tasks (p < 0.05) but postural control as measured by COP variability was more affected in children with UHL when visual input was removed while performing moderately difficult tasks (i.e., standing on one foot) (p = 0.02).

Conclusion: In this pilot study, children with UHL show poorer balance skills than NH children. Significant differences in TTF between the two groups were only seen in the most difficult tasks and therefore may be missed on routine clinical assessment. Children with UHL appear to rely more on vision for maintaining postural control than their NH peers. These findings may point to deficits not only in the hearing but also the vestibular portion of the inner ear.

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Source
http://dx.doi.org/10.1097/MAO.0000000000001218DOI Listing

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