Intracochlear electrode position after cochlear implantation; effect on post-operative residual hearing.

Completed

• Conditions: Cochlear implantation; hearing problems; 10019243

• Registration Number: NL-OMON33508
• Lead Sponsor: Medisch Universitair Ziekenhuis Maastricht

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Last Update Posted: 6 May 2024

Recruitment & Eligibility

• Status: Completed
• Sex: Not specified
• Target Recruitment: 25

Inclusion Criteria

-Age: > 18 years
-Cochlear implantation
-Residual hearing at 250 Hz, 500 Hz, 1000 Hz

Exclusion Criteria

-Middle ear pathology
-Severe cochlear malformations, cochlear nerve pathology (implantation is impossible)
-pregnancy (because of radiation during a CT-scan)
-Age: <18 years

Study & Design

• Study Type: Observational invasive
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
<p>Aim of the study: To clarify the connection between the post-operative hearing<br /><br>outcomes and the intracochlear electrode position.<br /><br><br /><br>Study parameters:<br /><br><br /><br>-Relation between word-recognition and insertion depth<br /><br>-Relation between insertion depth and the number of electrodes in the scala<br /><br>vestibuli<br /><br>-Relation between word-recognition and the number of electrodes in the scala<br /><br>vestibuli or the scala tympani<br /><br>-Relation between T-levels and the number of elekctrodes in the scala vestibuli<br /><br>or scala tympani. </p><br>

Secondary Outcome Measures

Name	Time	Method
<p>(none)</p><br>