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Ear & Hearing:
doi: 10.1097/AUD.0b013e318291784e
Brief Reports

Bilateral Bone Conduction Devices: Improved Hearing Ability in Children With Bilateral Conductive Hearing Loss

Dun, Catharina A. J.; Agterberg, Martijn J. H.; Cremers, Cor W. R. J.; Hol, Myrthe K. S.; Snik, Ad F. M.

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Abstract

Objectives:

The aim of the study was to investigate whether children with bilateral conductive hearing loss benefit from their second device (i.e., the bilateral bone conduction device [BCD]).

Design:

Speech recognition in noise was assessed in 10 children fitted with bilateral BCDs during childhood. Speech recognition was measured in 2 conditions with both BCDs active. Spatial resolution was tested with the Minimum Audible Angle test in the bilateral and monaural listening conditions.

Results:

Children demonstrated an improvement in speech recognition when speech was presented from the front and noise was presented from the right-hand side as compared with both speech and noise being presented from the front. The minimum audible angle decreased from 57° in the best monaural condition to 13° in the bilateral condition.

Conclusions:

The audiological outcomes demonstrate the advantage of bilateral BCD fitting in children with bilateral conductive hearing loss.

Copyright © 2013 by Lippincott Williams & Wilkins

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