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Updated: Nov 9, 2025

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages

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Published on: March 24, 2023

One-Year Follow-Up in Children with Conductive Hearing Loss Using ADHEAR.

Mario E Zernotti^1,2, Elvira Alvarado², Maximo Zernotti²

¹Otorhinolaringologist, Catholic University of Cordoba, Cordoba, Argentina.

Audiology & Neuro-Otology

|April 8, 2021

Summary

The ADHEAR™ system, a nonsurgical bone conduction device, significantly improved hearing outcomes for children with congenital aural atresia over 12 months. Patients experienced high satisfaction and consistent audiological gains, making it a suitable treatment option.

Keywords:

Adhesive hearing aid Aural atresia Bone conduction Conductive hearing loss Microtia

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Published on: January 23, 2017

Area of Science:

Audiology
Otolaryngology
Biomedical Engineering

Background:

The ADHEAR™ system is a nonsurgical bone conduction device (BCD) for conductive hearing loss (CHL) and single-sided deafness.
Unlike other nonsurgical BCDs, ADHEAR uses an adhesive adapter for retroauricular placement, with limited long-term performance data available.

Purpose of the Study:

To assess the audiological and subjective outcomes of the ADHEAR hearing system in children with congenital aural atresia (CAA) over a 12-month period.

Main Methods:

A prospective, observational study included 15 children (mean age 9.4 years) with CAA who used ADHEAR for 1 year.
Evaluations included free-field audiometry, speech discrimination tests, and questionnaires at 1, 6, and 12 months.

Main Results:

Significant improvements were observed in unaided to aided sound field thresholds (PTA4 from 63.6 to 29.3 dB HL) and word recognition scores (WRS from 27.9% to over 91%).
Speech-in-noise performance showed consistent gains, and patients reported high satisfaction with an average daily wear time of 12 hours.
No complications were reported, and all participants continued using the device post-study.

Conclusions:

The 12-month trial demonstrated reliable audiological and subjective outcomes for the adhesive BCD in children with CAA.
ADHEAR offers a suitable, well-accepted treatment option for children with CAA, avoiding issues associated with pressure-retaining or surgical devices.