Hearing Preservation & Electro-acoustic Stimulation With EVO® Electrode

Status Completed

Clinical Trial Summary

Clinical Trial Description

Some candidates to cochlear implantation can have residual low frequencies hearing. The EVO electrode lead has been specifically designed to preserve this residual hearing through surgery. It is then possible to provide the patient with a electro-acoustic stimulation (EAS) which combines both an acoustical stimulation for the preserved low frequency hearing and an electrical stimulation through the cochlear implant. Literature showed the EAS stimulation can lead to better speech understanding, especially in noisy situation, and can provide important information about intonating or melodic contours, thus increasing sound quality and music perception. Objectives The major aim of this study is to evaluate hearing preservation after implantation with the EVO electrode lead. The secondary outcome is to evaluate the benefit of EAS stimulation provided by the Zebra speech processor. Methods Unaided tonal audiograms are measured for cochlear implant candidates with low frequency residual hearing before and after cochlear implantation with the EVO electrode lead. Aided tonal audiograms and speech intelligibility in quiet and in noise are measured after implantation with the three modes of stimulation (acoustic stimulation AS, electric stimulation ES, and electro-acoustic stimulation EAS). ;

Study Design

Related Conditions & MeSH terms

Cochlear Implant

Clinical Trial Details

NCT number	NCT02966379
Study type	Interventional
Source	Oticon Medical
Contact
Status	Completed
Phase	N/A
Start date	March 30, 2016
Completion date	October 2, 2018

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Hearing Preservation and Electro-acoustic Stimulation With EVO® Electrode Lead and Zebra® Sound Processor

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms