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Updated: Oct 20, 2025
Neuro-rehabilitation Approach for Sudden Sensorineural Hearing Loss
Published on: January 25, 2016
On the Effect of Bimodal Rehabilitation in Asymmetric Hearing Loss
Simonetta Monini1, Chiara Filippi1, Alessandra De Luca1
1ENT Unit, NESMOS Department, Sapienza University, 00189 Rome, Italy.
Background:
Bone conductive implants (BCI) have been reported to provide greater beneficial effects for the auditory and perceptual functions of the contralateral ear in patients presenting with asymmetric hearing loss (AHL) compared to those with single-sided deafness (SSD). The aim of the study was to assess the effects of wearing a conventional hearing aid in the contralateral ear on BCI in terms of an improved overall auditory performance.
Methods:
eleven AHL subjects wearing a BCI in their worse hearing ear underwent an auditory evaluation by pure tone and speech audiometry in free field. This study group was obtained by adding to the AHL patients those SSD subjects that, during the follow-up, showed deterioration of the hearing threshold of the contralateral ear, thus presenting with the features of AHL. Four different conditions were tested and compared: unaided, with BCI only, with contralateral hearing aid (CHA) only and with BCI combined with CHA.
Results:
all of the prosthetic conditions caused a significant improvement with respect to the unaided condition. When a CHA was adopted, its combination with the BCI showed significantly better auditory performances than those achieved with the BCI only.
Conclusions:
the present study suggests the beneficial role of a CHA in BCI-implanted AHL subjects in terms of overall auditory performance.
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