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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.

Annales D'Oto-Laryngologie Et De Chirurgie Cervico Faciale : Bulletin De La Societe D'Oto-Laryngologie Des Hopitaux De Paris
|January 29, 1999
PubMed
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.

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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:

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  • 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.