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Updated: Jul 14, 2026
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Performing Repeated Intraoperative Impedance Telemetry Measurements during Cochlear Implantation
Published on: August 4, 2023
Tinnitus modifications after cochlear implantation.
Walter Di Nardo1, Italo Cantore, Francesca Cianfrone
1Institute of Otorhinolaryngology, Catholic University of the Sacred Heart, A Gemelli University Hospital, Largo Gemelli, 8, 00168, Rome, Italy. dinardow@libero.it
Summary
Cochlear implants significantly improve tinnitus for many postlingually deaf adults. Most patients experienced tinnitus reduction or suppression after cochlear implantation surgery.
Area of Science:
- Otolaryngology
- Neuroscience
- Audiology
Background:
- Tinnitus, a phantom auditory sensation, affects many individuals with hearing loss.
- Cochlear implantation is a primary treatment for severe to profound sensorineural hearing loss.
Purpose of the Study:
- To evaluate the impact of cochlear implantation on tinnitus in adult patients with postlingual deafness.
- To assess changes in tinnitus characteristics and psychosocial impact following cochlear implantation.
Main Methods:
- A cohort study involving adult patients with postlingual deafness undergoing cochlear implantation.
- Pre- and post-surgery tinnitus assessment using validated questionnaires, including the Tinnitus Handicap Inventory (THI).
Main Results:
- 65% of patients reported a decrease in tinnitus severity (THI scores) post-implantation.
- 40% experienced complete tinnitus suppression, and 30% reported attenuation.
- No new tinnitus developed in patients without pre-existing tinnitus; bilateral tinnitus resolved or attenuated in 89% of affected patients.
Conclusions:
- Cochlear implantation offers significant benefits for tinnitus management in postlingually deaf adults.
- Tinnitus characteristics and severity can be improved through cochlear implantation, potentially via acoustic masking or neural reorganization.
- Recommendations include considering tinnitus in cochlear implant candidacy and ear selection, and informing patients of potential risks.
