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Otorinolaringologia 2002 March;52(1):41-5

Copyright © 2009 EDIZIONI MINERVA MEDICA

language: Italian

Hearing aid fitting in radical mastoidectomy with retroauricular opening

Solero P., Quirico M.

Università degli Studi - Torino Ospedale S. Giovanni Battista Dipartimento di Discipline Medico-Chirurgiche Sezione di Audiologia e Foniatria *Amplifon SpA - Torino


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A deaf elderly patient needed a change from a bone to air conduction hearing aid but had problems of fitting due to a bilateral radical mastoidectomy. The surgical technique of many years ago often left an open communication through the skin of the retroauricolar region with the middle ear spaces. Due to the impossibility of performing the fitting in the usual way (feedback effects and difficulties in moulding), the solution was founded preparing a modified earmold in two parts. One of them was placed in the retroauricolar fold, non only for sealing reasons but also to reduce the radical cavity and minimize in this way the resonance effects at 3 and 4 KHz. The patient normally uses the hearing aid with functional results compatible with the clinical picture, exploiting the high output of the device at her best, nor complaining for the management of the whole system.

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