First Results With a New, Pressure-free, Adhesive Bone Conduction Hearing Aid

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Objectives:The aim of this study was to evaluate the hearing benefit, advantages, and disadvantages in a series of patients using a new, nonimplantable, pressure-free, adhesive bone conduction hearing aid.Methods:Twelve patients were included in the study at the ear, nose, and throat department of the Medical University of Vienna. All patients suffered from conductive hearing loss for at least 3 months. A sound field audiometry, Freiburg monosyllables word test and Oldenburg sentence test were carried out. Additionally, sound quality (SSQ12) and quality of life (AQoL-8D) were assessed using questionnaires.Results:Analysis revealed an average aided threshold of 30.8 dB HL (±7.1 SD) and an unaided threshold of 45.1 dB HL (±7.0 SD), resulting in a statistically significant (p < 0.001) average functional gain. Additionally, participants experienced about 30% gain in word recognition scores at 65 dB sound pressure level, speech reception threshold in quiet was 56.8 dB (±6.1) and improved to 44.5 dB (±6.4) in the aided condition. Both, the SSQ12 and the AQoL-8D showed a statistically significant improvement when comparing the scores at the beginning of the study to the answers after 2 weeks of device usage (SSQ12 (p < 0.002) and AQoL-8D (p = 0.002)). Neither skin irritations nor pain were reported during the study period.Conclusion:In conclusion, this new, adhesive bone conduction hearing aid has a high patient satisfaction rate while causing no skin irritation or pain.

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