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The Effect of Cochlear Implantation on Tinnitus in Patients With Post Lingual Bilateral Profound Hearing Loss Publisher Pubmed



Anari MR1 ; Zarandy MM1 ; Kouhi A1 ; Rezaeian S2 ; Vaziribozorg S3 ; Mandegari M3
Authors
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Authors Affiliations
  1. 1. Amir-Alam Hospital, Department of Otolaryngology-Head and Neck Surgery, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Otorhinolaryngology Research Center, Tehran University of Medical Sciences, Tehran, Iran
  3. 3. Department of Otolaryngology-Head and Neck Surgery, Otorhinolaryngology Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran

Source: European Archives of Oto-Rhino-Laryngology Published:2024


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. © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2024.
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