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Evaluation of the Benefits of Bilateral Fitting in BAHS Users

2019-07-09 08:12:42 | BioPortfolio

Summary

The purpose of this study is to evaluate the benefit of bilateral implantation with bone-anchored hearing systems (BAHS), in terms of sound localization abilities, as well as auditory working memory. The hypothesis is that the use of two BAHS (bilateral condition) will not only improve localization abilities, but it will also increase the ability to retain words in working memory, compared to performance with only one BAHS (unilateral condition).

Description

The patients included in this study are adult patients with a bilateral conductive or mixed hearing loss, that are already bilaterally implanted with two percutaneous bone-anchored devices (BAHS). The study consists of two visits. At visit 1, the patients are fitted unilaterally and bilaterally with the investigational device (Ponto 3 SuperPower). After fitting, the patients perform a test of spatial resolution (minimum audible angle, visit 1) and an auditory working memory test (visit 2). These two outcome measures are conducted in the laboratory using the Ponto 3 SuperPower unilaterally and bilaterally. Additionally, the patients fill in a questionnaire (SSQ12) to report perceived performance in their everyday life with their own devices. This is a post market study and all products used are CE marked and used in clinical practice worldwide.

Study Design

Conditions

Bilateral Hearing Loss

Intervention

Fitting of Ponto 3 SuperPower

Location

Audiology Department, Nuffield House, University Hospitals Birmingham
Birmingham
West Midlands
United Kingdom
B15 2TH

Status

Recruiting

Source

Oticon Medical

Results (where available)

View Results

Links

Published on BioPortfolio: 2019-07-09T08:12:42-0400

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Medical and Biotech [MESH] Definitions

Hearing loss due to disease of the AUDITORY PATHWAYS (in the CENTRAL NERVOUS SYSTEM) which originate in the COCHLEAR NUCLEI of the PONS and then ascend bilaterally to the MIDBRAIN, the THALAMUS, and then the AUDITORY CORTEX in the TEMPORAL LOBE. Bilateral lesions of the auditory pathways are usually required to cause central hearing loss. Cortical deafness refers to loss of hearing due to bilateral auditory cortex lesions. Unilateral BRAIN STEM lesions involving the cochlear nuclei may result in unilateral hearing loss.

Partial hearing loss in both ears.

Gradual bilateral hearing loss associated with aging that is due to progressive degeneration of cochlear structures and central auditory pathways. Hearing loss usually begins with the high frequencies then progresses to sounds of middle and low frequencies.

Hearing loss due to exposure to explosive loud noise or chronic exposure to sound level greater than 85 dB. The hearing loss is often in the frequency range 4000-6000 hertz.

Hearing loss due to damage or impairment of both the conductive elements (HEARING LOSS, CONDUCTIVE) and the sensorineural elements (HEARING LOSS, SENSORINEURAL) of the ear.

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