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[Bone anchored hearing aid (BAHA): clinical evaluation]
R Jankowski1, R Pialoux, P Labaeye
1Service d'O.R.L. et de Chirurgie Cervico-Faciale, Hôpital central, Université Henri Poincaré, Nancy.
Summary
Bone-anchored hearing aids (BAHA) offer improved sound quality and comfort by using direct bone conduction. This study shows high patient satisfaction and successful osseointegration, making BAHA a viable alternative to conventional hearing aids.
Area of Science:
- Otolaryngology
- Biomedical Engineering
- Audiology
Background:
- Conventional bone hearing aids can cause skin irritation.
- Bone-anchored hearing aids (BAHA) utilize direct bone conduction via a titanium implant.
- BAHA may offer improved sound quality compared to traditional devices.
Purpose of the Study:
- To evaluate the efficacy and patient satisfaction of the bone-anchored hearing aid (BAHA).
Main Methods:
- A cohort of 9 patients with aural atresia or radical mastoidectomy received BAHA implants.
- Patients had varying prior hearing aid experience and audiological profiles.
- Evaluation involved audiological tests and patient questionnaires.
Main Results:
- Successful osseointegration was achieved in all 9 patients.
- Excellent skin tolerance was reported in 6 cases, with minor transient issues in 3.
- Patients reported high overall satisfaction (9-10/10) and preferred BAHA over previous hearing aids (9.1 vs 5.9 satisfaction).
Conclusions:
- Bone-anchored hearing aid (BAHA) demonstrates successful osseointegration and high patient satisfaction.
- BAHA offers a significant improvement over conventional hearing aids for suitable candidates.
- Potential drawbacks include wind noise sensitivity and lack of phone connectivity.