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首页> 外文期刊>Eastern Journal of Medicine >The impact of high gain conventional hearing aid on OAEs in a case of auditory neuropathy/ dys-synchrony
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The impact of high gain conventional hearing aid on OAEs in a case of auditory neuropathy/ dys-synchrony

机译：高增益常规助听器在听神经病/不同步的情况下对OAE的影响

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The impact of high gain conventional hearing aid on OAEs in a case of auditory neuropathy/ dys-synchrony Piyali Kundu 1 , Nachiketa Rout 2 1 2 Aim of the study is to focus on the impact of high gain hearing aid on outer hair cells? functioning as reflected by otoacoustic emission (OAE) changes. A child diagnosed as bilateral moderate -moderately severe sensori neural hearing loss with primary auditory neuropathy / dys-synchrony (AN/ AD) was referred to AYJNIHH (ERC) after being fitted with high gain hearing aid. She had used the hearing aid for less than a year. Audiological evaluation at AYJNIHH (ERC) was indicative of moderate to moderately severe hearing loss with absence of distortion product otoacoustic emissions (DPOAE). She was recommended to discontinue the use of the hearing aid for a couple of weeks. Auditory brainstem response (ABR) and OAE was administered after 14 days. No identifiable peak V was obtained in both the ears however the case had emissions on DPOAE. She was fitted a mild class hearing aid and included for speech language therapy. Conservative trials with amplification devices, diligent monitoring of amplification output levels and OAEs along with possibilities of a cochlear implant was to be explored during therapy. The primary reason behind deterioration in DPOAE may be temporary physiological changes resulting in temporary threshold shift. Therefore, high quality, low gain, wide dynamic range compression hearing aids may be the probable cause of return back of OAEs following two weeks without amplification. Amplification may contribute to loss of OAEs and the risk from use of amplification must be weighed against the benefits of amplification provided to the client.
机译：高增益常规助听器在听觉神经病/不同步的Piyali Kundu 1 ，Nachiketa Rout 2 1 < sup> 2 研究的目的是关注高增益助听器对外部毛细胞的影响？耳声发射（OAE）变化所反映的功能。一名被诊断为患有双侧中度至中度重度感觉神经听力减退并伴有原发性听觉神经病/不同步的儿童（AN / AD），在为其配备了高增益助听器后转诊至AYJNIHH（ERC）。她使用助听器不到一年。 AYJNIHH（ERC）的听觉评估表明存在中度至中度严重的听力损失，而没有畸变产物耳声发射（DPOAE）。建议她在几周内停止使用助听器。 14天后进行听性脑干反应（ABR）和OAE。在两只耳朵上均未获得可识别的峰值V，但是该案例在DPOAE上有发射。她配有轻度的助听器，并且接受了言语治疗。在治疗过程中，将探索使用扩增装置进行保守性试验，对扩增输出水平和OAE进行认真监测以及可能植入人工耳蜗的可能性。 DPOAE恶化的主要原因可能是暂时的生理变化导致暂时的阈值变化。因此，高质量，低增益，宽动态范围的压缩助听器可能是两周后未经放大而导致OAE返回的可能原因。扩增可能会导致OAE的损失，因此必须权衡使用扩增的风险与提供给客户的扩增收益。

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