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The bone-anchored hearing aid. Osseointegration and audiological effect
P Bonding1, M H Jønsson, G Salomon
1Department of Otolaryngology, Glostrup Hospital, Denmark.
Acta Oto-Laryngologica. Supplementum
|January 1, 1992
Summary
The bone-anchored hearing aid (BAHA) using titanium implants shows excellent osseointegration and patient satisfaction. Patients found BAHA superior to conventional hearing aids, despite similar speech discrimination results.
Area of Science:
- Otorhinolaryngology
- Biomaterials Engineering
- Medical Devices
Background:
- Conventional hearing aids (BC and AC) have limitations for some hearing loss types.
- Osseointegrated implants offer a potential solution for improved hearing aid efficacy.
- The Brånemark titanium implant system is a leading technology in osseointegration.
Purpose of the Study:
- To evaluate the efficacy and patient-reported outcomes of the Brånemark titanium implant system with the bone-anchored hearing aid (BAHA).
- To assess the osseointegration and any adverse effects of the BAHA system in a clinical setting.
Main Methods:
- Treatment of 12 Danish patients using the Brånemark titanium implant system and BAHA.
- Assessment of osseointegration via 99mTC-scintigraphy, X-ray, and clinical examination.
- Evaluation of patient satisfaction and speech discrimination compared to conventional hearing aids.
Main Results:
- All titanium implants achieved successful osseointegration.
- Reported skin reactions were minimal, transient, and short-lived.
- Patients consistently rated the BAHA as superior to conventional BC and AC hearing aids in most aspects.
Conclusions:
- The Brånemark titanium implant system with BAHA demonstrates successful osseointegration and high patient satisfaction.
- BAHA offers a significant improvement over traditional hearing aids for many users.
- Further research may explore specific patient groups benefiting most from BAHA technology.