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Implant survival rate in bone-anchored hearing aid users: long-term results

Published online by Cambridge University Press:  21 July 2011

E Wallberg ,
G Granström ,
A Tjellström  and
J Stalfors
E Wallberg*
Affiliation:
Department of Otolaryngology, Head and Neck Surgery, Sahlgrenska Academy, University of Gothenburg, Sweden
G Granström
Affiliation:
Department of Otolaryngology, Head and Neck Surgery, Sahlgrenska Academy, University of Gothenburg, Sweden
A Tjellström
Affiliation:
Department of Otolaryngology, Head and Neck Surgery, Sahlgrenska Academy, University of Gothenburg, Sweden
J Stalfors
Affiliation:
Department of Otolaryngology, Head and Neck Surgery, Sahlgrenska Academy, University of Gothenburg, Sweden
*
Address for correspondence: Dr Erik Wallberg, Department of Otolaryngology, Head and Neck Surgery, Sahlgrenska Academy, University of Gothenburg, Gröna Stråket 9, SE-411 35 Göteborg, Sweden E-mail: erikwallberg@hotmail.com
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Abstract

Objective:

To investigate the long-term survival rate of bone-anchored hearing aid implants, and to assess the number of patients who stop using their bone-anchored hearing aid.

Method:

Patients who underwent bone-anchored hearing aid surgery between September 1977 and December 1986 were identified from a prospective database. Data were collected from patient records.

Results:

During the study period, 143 patients were fitted with a bone-anchored hearing aid. Records from 132 patients were found, with a mean follow up of nine years. A total of 150 implants were installed in these patients. A total of 41 implants (27 per cent) were lost during follow up: 17 lost osseointegration, 16 were removed and eight were lost due to direct trauma. At the end of follow up, 119/132 (90 per cent) patients were still using their bone-anchored hearing aid.

Conclusion:

Despite a high incidence of implant loss over time, a large number of patients still continued to use their bone-anchored hearing aid.

Keywords

Hearing AidOsseointegrationSurgical Procedures, OperativeTitaniumComplications
Type
Main Articles
Information
The Journal of Laryngology & Otology , Volume 125 , Issue 11 , November 2011 , pp. 1131 - 1135
Copyright
Copyright © JLO (1984) Limited 2011

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Footnotes

Results presented at the Second International Symposium on Bone Conduction Hearing – Craniofacial Osseointegration, 11–13 June 2009, Gothenburg, Sweden

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