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Role of early hearing aid experience in speech recognition in patients with bilateral congenital microtia following Bonebridge implantation: a retrospective cohort study
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Role of early hearing aid experience in speech recognition in patients with bilateral congenital microtia following Bonebridge implantation: a retrospective cohort study
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Role of early hearing aid experience in speech recognition in patients with bilateral congenital microtia following Bonebridge implantation: a retrospective cohort study
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Journal Article
Role of early hearing aid experience in speech recognition in patients with bilateral congenital microtia following Bonebridge implantation: a retrospective cohort study
2024
Overview
Purpose
To identify audiological and demographic variables that predict speech recognition abilities in patients with bilateral microtia who underwent Bonebridge (BB) implantation.
Methods
Fifty patients with bilateral microtia and bilateral conductive hearing loss (CHL) who underwent BB implantation were included. Demographic data, preoperative hearing aid use experience, and audiological outcomes (including pure-tone hearing threshold, sound field hearing threshold [SFHT], and speech recognition ability) for each participant were obtained. The Chinese-Mandarin Speech Test Materials were used to test speech recognition ability. The word recognition score (WRS) of disyllabic words at 65 dB SPL signals was measured before and after BB implantation in quiet and noisy conditions.
Results
The mean preoperative WRS under quiet and noisy conditions was 10.44 ± 12.73% and 5.90 ± 8.76%, which was significantly improved to 86.38 ± 9.03% and 80.70 ± 11.34%, respectively, following BB fitting. Multiple linear regression analysis revealed that lower preoperative SFHT suggested higher preoperative WRS under both quiet and noisy conditions. Higher age at implantation predicted higher preoperative WRS under quiet conditions. Furthermore, patients with more preoperative hearing aid experience and lower postoperative SFHT were more likely to have higher postoperative WRS under both quiet and noisy testing conditions.
Conclusions
This study represents the first attempt to identify predictors of preoperative and postoperative speech recognition abilities in patients with bilateral microtia with BB implantation. These findings emphasize that early hearing intervention before implantation surgery, combined with appropriate postoperative fitting, contributes to optimal benefits in terms of postoperative speech recognition ability.
Publisher
Springer Berlin Heidelberg,Springer Nature B.V
Subject
