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Updated: May 22, 2026

Performing Repeated Intraoperative Impedance Telemetry Measurements during Cochlear Implantation

Performing Repeated Intraoperative Impedance Telemetry Measurements during Cochlear Implantation

Published on: August 4, 2023

Esteem 2 middle ear implant: our experience.

J M Gerard¹, M P Thill, G Chantrain

¹Department of ENT and Head and Neck Surgery, Saint-Luc University Hospital, Brussels, Belgium. j-m.gerard@uclouvain.be

Audiology & Neuro-Otology

|May 26, 2012

Summary

The Esteem 2 totally implantable hearing system provides significant hearing improvement and patient satisfaction for moderate to severe sensorineural hearing loss. Careful patient selection and surgical expertise are crucial for optimal outcomes with this piezoelectric device.

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Area of Science:

Otolaryngology
Biomedical Engineering
Audiology

Background:

The Esteem 2 is a totally implantable hearing system utilizing piezoelectric technology.
It is indicated for moderate to severe sensorineural hearing loss with intact middle ear function.
The device consists of a sensor and driver implanted in the mastoid cavity and coupled to the incus and stapes.

Purpose of the Study:

To evaluate the functional and satisfaction outcomes of the Esteem 2 totally implantable hearing system.
To assess the safety and efficacy of the Esteem 2 in patients with sensorineural hearing loss.

Main Methods:

A retrospective study was conducted at a tertiary referral center.
Pure-tone average (PTA) gain, word recognition score (WRS) gain in silence and noise, and average WRS (AWRS) gain were calculated.

Related Experiment Videos

Last Updated: May 22, 2026

Performing Repeated Intraoperative Impedance Telemetry Measurements during Cochlear Implantation

Performing Repeated Intraoperative Impedance Telemetry Measurements during Cochlear Implantation

Published on: August 4, 2023

Patient-reported outcomes were assessed using the Abbreviated Profile of Hearing Aid Benefit (APHAB) and an Esteem questionnaire.

Main Results:

Mean PTA gain was 25 ± 11 dB, mean WRS gain at 50 dB SPL was 64 ± 33%, and mean AWRS gain was 40 ± 20%.
WRS in silence was 91 ± 11%, with significant performance in noise.
The APHAB questionnaire indicated an 84% improvement in satisfaction compared to previous hearing aids.

Conclusions:

The Esteem 2 offers good functional and satisfaction results for eligible patients.
Careful patient selection, including audiological and anatomical assessments, is essential.
The implant is safe, with complications comparable to other auditory implants, necessitating specific surgical training.