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Cochlear implantation in otosclerosis
Nicola Quaranta1, Roberto Bartoli, Anna Lopriore
1The Otorhinolaryngology Clinic G. Lugli, Otologic and Neurotologic Surgery, Department of Ophtalmology and Otorhinolaryngology, University of Bari, Bari, Italy.
Summary
Cochlear implants (CI) offer significant benefits for otosclerosis patients with profound hearing loss. While increased risks of cochlear ossification and facial nerve stimulation exist, advancements in imaging and CI technology enable successful management.
Area of Science:
- Otolaryngology
- Neurosurgery
- Audiology
Background:
- Otosclerosis can lead to profound sensorineural hearing loss.
- Cochlear implantation is a treatment option for severe to profound hearing loss.
Purpose of the Study:
- To compare cochlear implant outcomes in otosclerosis patients versus non-otosclerosis patients.
- To evaluate the impact of otosclerosis on cochlear implant surgery and performance.
Main Methods:
- Retrospective case review of nine otosclerosis and nine non-otosclerosis patients.
- Evaluation included preoperative imaging, intraoperative findings, facial nerve stimulation, and speech perception.
- Cochlear implantation was the intervention performed.
Main Results:
- Otosclerosis patients exhibited cochlear ossification on imaging and during surgery.
- Higher incidence of facial nerve stimulation was observed in the otosclerosis group.
- Speech perception outcomes were comparable between groups, despite some differences in electrical thresholds.
Conclusions:
- Cochlear implantation is beneficial for otosclerosis patients with profound hearing loss.
- Increased risks of cochlear ossification and facial nerve stimulation require consideration in preoperative counseling.
- Advances in imaging and CI technology facilitate management of these complications.