Abstract
Introduction
In this study we investigated the effect of cochlear implantation on tinnitus in patients with post lingual bilateral profound hearing loss.
Methods
In this retrospective study, 66 post-lingual deaf patients over 18 years old who referred for cochlear implantation and complained of tinnitus were included. Patients were divided into two groups with residual hearing (in frequency 250–500 Hz) and without residual hearing. All data including age, gender, type of implants, type of surgery, cause of the disease, and information on the THI score before cochlear implantation, one month after cochlear implantation and one year after cochlear implantation was recorded and analyzed.
Results
Nine patients had residual hearing, while 57 patients did not. After one month and one year, in both groups, the mean THI score has decreased significantly (p-value = 0.001), but there was no significant difference in the mean THI score before surgery and one month and one year after surgery between two groups with and without residual hearing. There was no significant difference in tinnitus severity according to THI-grade between two groups. Also there was no significant difference in THI score and the cause of the hearing loss, type and insertion method of implantation, one month and one year after the surgery between two groups.
Conclusion
According to our results, the was no significant correlation between residual hearing and tinnitus score before surgery, one month and one year after the surgery.
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Authors have no conflicts of interest. Study protocol was in accordance with the latest Declaration of Helsinki for medical research involving human subjects and was approved by the ethics committee of Tehran University of medical sciences. This article does not contain any studies with animals performed by any of the authors. Informed consent was obtained from all participants of the study.
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Anari, M.R., Zarandy, M.M., Kouhi, A. et al. The effect of cochlear implantation on tinnitus in patients with post lingual bilateral profound hearing loss. Eur Arch Otorhinolaryngol (2024). https://doi.org/10.1007/s00405-024-08764-0
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DOI: https://doi.org/10.1007/s00405-024-08764-0