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European Archives of Oto-Rhino-Laryngology

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Open Access 01-03-2020 | Audiometry | Otology

Minimal invasive pocket technique for magnet bone implant hearing aid without fixation

Authors: Pierre Dolhen, Samuel Lipski, Rachid Touijar, Juliette Van Bogaert

Published in: European Archives of Oto-Rhino-Laryngology | Issue 3/2020

Abstract

Introduction

The BAHA (bone-anchored hearing aid) Attract is a magnetic transcutaneous bone conduction device anchored into the temporal bone. The standard surgical technique for BAHA Attract is a multi-tools time-consuming process, which requires a large cutaneous incision. The objective of this study is to describe and test the feasibility of a minimally invasive pocket (MIP) technique for Magnet Bone Implant Hearing Aid (MBIHA) with a modified magnet of BAHA Attract without fixation and without any tissue reduction. We use a 3-cm vertical skin incision and a subperiosteal pocket.

Method

A study of 10 patients with conductive or mixed hearing loss who benefited from a MBIHA using the MIP technique is presented. The pure tone average (PTA) (dB) for air-conduction thresholds and the speech recognition threshold (SRT) (dB) in speech audiometry in quiet are calculated. The Entific Medical Systems (EMS) questionnaire and the postoperative clinical outcomes are realized.

Results

We found a significant improvement of 33.8 dB on average for the PTA and 44.8 dB for the SRT with MBIHA at 3 months, compared with unaided situation. No implant was removed or displaced after 2 years of follow-up. The skin condition remains intact in all the cases.

Conclusion

The minimally subperiosteal pocket surgical technique MIP without fixation and with tissue preservation for the MBIHA is safe, rapid and effective for patients with conductive or mixed hearing loss. It opens new perspectives of development and modify conventional concept in magnetic coupling of bone-conducted device.

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Title: Minimal invasive pocket technique for magnet bone implant hearing aid without fixation
Authors: Pierre Dolhen
Samuel Lipski
Rachid Touijar
Juliette Van Bogaert
Publication date: 01-03-2020
Publisher: Springer Berlin Heidelberg
Keywords: Audiometry
Chronic Otitis Media
Incision
Audiometry
Published in: European Archives of Oto-Rhino-Laryngology / Issue 3/2020
Print ISSN: 0937-4477
Electronic ISSN: 1434-4726
DOI: https://doi.org/10.1007/s00405-019-05746-5

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Minimal invasive pocket technique for magnet bone implant hearing aid without fixation

Abstract

Introduction

Method

Results

Conclusion

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Introduction

Method

Results

Conclusion

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