Cochlear Implantation in subjects with asymmetrical hearing loss

Completed

Conditions: Hearing loss
no hearing
10019243

Registration Number: NL-OMON37728

Lead Sponsor: Vrije Universiteit Medisch Centrum

Brief Summary: Not available

Detailed Description: Not available

Recruitment & Eligibility

Status: Completed

Sex: Not specified

Target Recruitment: 10

Inclusion Criteria

1. Postlingually deafened adults aged 18 years and older
2. Bilateral cochlear hearing loss
o Worse ear speech scores: <30% speech perception *
o Better ear speech scores: 60-85% speech perception *
* speech scores are: best aided, phoneme (CVC), 65dB SPL

Exclusion Criteria

1. Any reason why a cochlear implantation could not be performed (medical, audiological, lin-guistical, anestesiological, mental e.o.)
2. Participant in another clinical trail
3. Preference of another type of implant
4. Prelingual onset of hearing loss
5. <40% difference in speech perception between both ears
6. Binaural higher speech perception scores as compared to the better ear alone
7. Patient believes that there is a binaural advantage in speech perception as compared to the better ear alone

Study & Design

Study Type: Observational non invasive

Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
<p>1.<br /><br>To determine the benefit of a CI in the functionally deaf ear of patients with<br /><br>asymmetrical hearing loss with moderate to severe hearing loss in their best<br /><br>ear<br /><br>in terms of speech performance (in quiet and noise) and localization </p><br>

Secondary Outcome Measures

Name	Time	Method
<p>2.<br /><br>To determine the benefit of a CI in the functionally deaf ear of patients with<br /><br>asymmetrical hearing loss with moderate to severe hearing loss in their best ear<br /><br>in terms of quality of life and music perception </p><br>