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KMID : 0361020200630070293
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Korean Journal of Otolaryngology - Head and Neck Surgery
2020 Volume.63 No. 7 p.293 ~ p.300
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Efficacy of Implantable Bone Conduction Hearing Aids in Single-Sided Deafness
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Lee Ji-Hyeon
Seo Young-Joon
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Abstract
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As the technology advances and bone conduction implant (BCI) use increases, implantable bone conduction hearing aids are regarded as a treatment method for single-sided deafness (SSD) and their efficacy on SSD must be discussed. Therefore, we organized the problems of SSD and types of implantable bone conduction hearing aids and explained their effectiveness in the treatment of SSD in terms of changes in 1) speech recognition in a noisy environment, 2) sound localization, 3) subjective satisfaction as assessed by questionnaire, and 4) tinnitus. Although bone conduction hearing aids do not significantly improve localization ability in SSD, they increase the ability to listen under noise, increasing subjective satisfaction. Tinnitus improvement was also reported. The active forms of BCI like MED-EL BONEBRIDGE®2 and Cochlear Osia®2 have been developed well. Based on these technological developments and effects, bone conduction hearing aids would be a good option for treatment option of SSD.
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KEYWORD
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Bone conduction hearing, Bone conduction implant, Hearing loss, Implant
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