Dörfler C, Hocke T, Hast A, Hoppe U
Audiology Department and CI Centre CICERO Ear, Nose and Throat Clinic, University Hospital Erlangen, Waldstraße 1, 91054, Erlangen, Germany.
Cochlear Deutschland GmbH & Co. KG, Hannover, Germany.
HNO. 2020 Aug;68(Suppl 2):93-99. doi: 10.1007/s00106-020-00843-y.
Improvement of speech perception in quiet is an important goal of hearing aid provision. In practice, results are highly variable. The aim of this study was to investigate the relationship between type and extent of hearing loss (audiogram type), maximum word recognition score, and aided speech perception.
Pure tone and speech audiometric data of 740 ears in 370 patients were reviewed. All subjects visited our hearing center for hearing aid evaluation between 2012 and 2017. The maximum word recognition score (WRS) and the monosyllabic speech recognition score with hearing aids, WRS(HA) were analyzed for 10 different standard audiogram types.
The WRS(HA) with hearing aids for different degrees of hearing loss is, within error boundaries, comparable to previous investigations and shows a difference of 10-20 percentage points to the WRS. This difference tends to be larger for flat and moderately sloping audiograms compared to steep-sloping audiograms. The ratio WRS(HA)/WRS can be interpreted as an efficiency factor for hearing aid provision, since it relates speech recognition with hearing aids to the maximally achievable information carrying capacity of the hearing impaired.
The expectation regarding hearing aid provision has to be adjusted according to maximum word recognition score, the derived quality measures, degree of hearing loss, and audiogram type.
改善安静环境下的言语感知是助听器验配的一个重要目标。在实际应用中，结果差异很大。本研究的目的是调查听力损失的类型和程度（听力图类型）、最大言语识别得分与助听后言语感知之间的关系。
回顾了370例患者740只耳的纯音听力和言语测听数据。所有受试者在2012年至2017年间到我们的听力中心进行助听器评估。分析了10种不同标准听力图类型的最大言语识别得分（WRS）和佩戴助听器后的单音节言语识别得分WRS(HA)。
不同程度听力损失佩戴助听器后的WRS(HA)，在误差范围内，与先前的研究结果相当，与WRS相差10 - 20个百分点。与陡降型听力图相比，平坦型和中度斜坡型听力图的这种差异往往更大。WRS(HA)/WRS的比值可解释为助听器验配的效率因子，因为它将佩戴助听器后的言语识别与听力受损者可达到的最大信息承载能力联系起来。
关于助听器验配的期望必须根据最大言语识别得分、导出的质量指标、听力损失程度和听力图类型进行调整。
