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Adv Otorhinolaryngol. 2011;71:47-55. doi: 10.1159/000323579. Epub 2011 Mar 8.

Surgery for the bone-anchored hearing aid.

Author information

1
Department of ENT, Head and Neck Surgery, Inselspital, University of Bern, Bern, Switzerland. andreas.arnold@insel.ch

Abstract

INTRODUCTION:

This review covers the surgery for the bone-anchored hearing aid (Baha(®)). PREOPERATIVE WORKUP: A review of the indications and preoperative diagnostics shows that best results are generally obtained in patients with conductive or mixed hearing loss rehabilitation when surgery is not applicable or has failed and in patients that suffer from single-sided deafness. An audiogram must confirm that the bone conduction hearing is within the inclusion criteria. A computed tomography scan is performed in cases of malformation to assure sufficient bone thickness at the site of screw implantation.

PROCEDURE:

The steps of the Baha implantation are described step by step including the setting and anesthesia, skin work with regard to different techniques, correct resection of subcutaneous tissue, preparation of the implant site, drilling and placement of the fixture and wound closure.

POSTOPERATIVE CARE:

After wound healing (6-8 weeks), the bone conduction aid is fitted on the abutment. Regular cleaning of the fixture is important to avoid irritations and infections.

CONCLUSION:

If performed carefully, the surgery for the Baha has a favorable outcome, regardless of the technique used.

PMID:
21389704
DOI:
10.1159/000323579
[Indexed for MEDLINE]
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