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Using the CLARION cochlear implant in cochlear ossification.

P A Bird¹, T J Balkany, A V Hodges

¹Department of Otolaryngology, University of Miami Ear Institute, Florida 33101, USA.

The Annals of Otology, Rhinology & Laryngology. Supplement

|April 24, 1999

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Cochlear ossification presents challenges for cochlear implant surgery. This study shows the CLARION Multi-Strategy Cochlear Implant can be successfully implanted even in ossified cochleas, restoring significant hearing.

Area of Science:

Otolaryngology
Neurosurgery
Biomedical Engineering

Background:

Cochlear ossification complicates cochlear implantation.
The CLARION Multi-Strategy Cochlear Implant is a potential solution.

Observation:

A retrospective review of 5 patients with varying degrees of cochlear ossification.
Surgical techniques included drill-through, scala vestibuli insertion, and complete drill-out.
One patient experienced delayed wound healing due to comorbidities.

Findings:

Successful full cochlear implant insertion in all 5 cases.
Mean open-set sentence recognition of 55% and word recognition of 24% in 4 patients with 3+ months experience.
Significant hearing benefit was achieved.

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Implications:

Cochlear implantation with the CLARION device is feasible across all degrees of cochlear ossification.
This approach offers a viable option for hearing restoration in complex cases.
Further research may optimize surgical techniques for ossified cochleas.