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Updated: Jul 14, 2026
06:04
Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
Published on: March 24, 2023
Long-term performance of Clarion 1.0 cochlear implant users
Chad V Ruffin1, Richard S Tyler, Shelley A Witt
1Virginia Merrill Bloedel Hearing Research Center, University of Washington, Seattle, Washington 98195, USA. cruffin@u.washington.edu
The Laryngoscope
|July 3, 2007
Summary
Long-term cochlear implant use in adults shows stable speech performance, unaffected by deafness duration. However, younger age at implantation correlates with better outcomes in Clarion 1.0 users.
Area of Science:
- Audiology
- Neurosurgery
- Biomedical Engineering
Background:
- Adult cochlear implantation is a common treatment for profound deafness.
- Long-term outcomes and factors influencing speech perception are crucial for patient management.
Purpose of the Study:
- To assess the long-term performance of adult Clarion 1.0 cochlear implant users.
- To identify factors influencing speech perception over time.
Main Methods:
- Retrospective, longitudinal study of 31 adult cochlear implant patients.
- Evaluated word discrimination in quiet over a mean follow-up of 93 months.
- Utilized Clarion 1.0 cochlear implants with continuous interleaved sampling strategy.
Main Results:
- Speech perception remained stable post-24 months unless adverse events occurred.
- Age at implantation negatively correlated with speech performance (-11% per decade).
- No correlation found between duration of deafness and speech performance.
Conclusions:
- Cochlear implantation demonstrates safe and stable therapy for profound deafness.
- Age at implantation is a significant factor in long-term speech performance.
- Duration of deafness does not impact outcomes in this cohort.