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

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

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

NL-OMON

Registry ID

NL-OMON33508

Enrollment

Registered

2009-07-15

Start date

2009-08-01

Completion date

Unknown

Last updated

2024-05-06

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Cochlear implantation hearing problems

Interventions

None listed

Eligibility

Age

18 Years to 99 Years

Inclusion criteria

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

Exclusion criteria

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

Design outcomes

Primary

Measure	Time frame
Aim of the study: To clarify the connection between the post-operative hearing outcomes and the intracochlear electrode position. Study parameters: -Relation between word-recognition and insertion depth -Relation between insertion depth and the number of electrodes in the scala vestibuli -Relation between word-recognition and the number of electrodes in the scala vestibuli or the scala tympani -Relation between T-levels and the number of elekctrodes in the scala vestibuli or scala tympani.	—

Measure

Time frame

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

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Secondary

Measure	Time frame
(none)	—

Countries

Netherlands

Outcome results