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Tinnitus suppression after cochlear implantation in patients with single-sided deafness



Tinnitus associated with single-sided deafness (SSD) is frequent and often incapacitating, and is difficult to treat. Numerous studies have reported the suppression of tinnitus by electrical stimulation of the acoustic pathway through a cochlear implant (CI), with a low risk of worsening of tinnitus after implantation.


The main aim of this study was to demonstrate the effectiveness of CI as a treatment option in patients with SSD and incapacitating tinnitus.

Patients and methods

We studied the tinnitus-suppression effect of CI in a series of 13 patients with unilateral profound sensorineural hearing loss (SSD), associated with incapacitating tinnitus with normal hearing in the contralateral ear. Tinnitus impact was measured with the Tinnitus Handicap Inventory (THI), and tinnitus severity was measured with the Tinnitus Rating Scale (TRS) before and after CI.


Thirteen patients were enrolled in this study, eight men and five women, ranging in age from 24 to 60 years with a mean±SD of 40±10 years. Mean scores for THI and TRS were obtained preoperatively and at 1 and 3 months postoperatively after activation of the CI. Mean scores for the THI total scores ranged from 79.6±7 preoperatively to 12±13.5 at 3 months postoperatively. Mean scores for the TRS ranged from 4.53±0.5 preoperatively to 1.46±0.5 at 3 months postoperatively. The postoperative THI and TRS improved significantly as compared with the baseline preoperative scores (P<0.005).


The outcome of the current study supports the belief that CI is not only a treatment option for hearing loss in SSD but also a treatment option to suppress tinnitus.


  1. 1

    Ramos A, Falcón JC, Manrique M, Morera C, García-Ibáñez L, Cenjor C, Coudert-Koall C, Killian M. Cochlear implants as a treatment option for unilateral hearing loss, severe tinnitus and hyperacusis. Audiol Neurotol 2015; 20(Suppl 1):60–66.

    Article  Google Scholar 

  2. 2

    Ramos Á, Polo R, Masgoret E, Artiles O, Lisner I, Zaballos ML, Moreno C, Osorio Á. Cochlear implant in patients with sudden unilateral sensorineural hearing loss and associated tinnitus. Acta Otorrinolaringologica 2012; 63:15–20.

    Article  Google Scholar 

  3. 3

    Punte AK, Meeus O, van de Heyning P. Cochlear implants and tinnitus. In: Møller AR, Langguth B, de Ridder D, Kleinjung T, editors. Textbook of Tinnitus. New York, NY: Springer; 2011:619–624.

    Google Scholar 

  4. 4

    Chiossoine-Kerdel JA, Baguley DM, Stoddart RL, Moffat DA. An investigation of the audiologic handicap associated with unilateral sudden sensorineural hearing loss. Am J Otol 2000; 21:645–651.

    CAS  PubMed  Google Scholar 

  5. 5

    Newman CW, Jacobson GP, Spitzer JB. Development of the tinnitus handicap inventory. Arch Otolaryngol Head Neck Surg 1996; 122:143–148.

    CAS  Article  Google Scholar 

  6. 6

    Tokita J, Dunn C, Hansen MR. Cochlear implantation and single-sided deafness. Curr Opin Otolaryngol Head Neck Surg 2014; 22:353–358.

    Article  Google Scholar 

  7. 7

    Anderson G, Baguley DM, McKenna L, McFerran D. Tinnitus: a multidisciplinary approach. London, UK: Whurr Publishers; 2005.

    Google Scholar 

  8. 8

    Baguley DM, Bird J, Humphriss RL, Prevost AT. The evidence base for the application of contralateral bone anchored hearing aids in acquired unilateral sensorineural hearing loss in adults. Clin Otolaryngol 2006; 31:6–14.

    CAS  Article  Google Scholar 

  9. 9

    Blasco MA, Redleaf MI. Cochlear implantation in unilateral sudden deafness improves tinnitus and speech comprehension: meta-analysis and systematic review. Otol Neurotol 2014; 35:1426–1432.

    Article  Google Scholar 

  10. 10

    Eggermont JJ. Tinnitus and neural plasticity (Tonndorf lecture at XIth International Tinnitus Seminar, Berlin, 2014). Hear Res 2015; 319:1–11.

    Article  Google Scholar 

  11. 11

    Ruckenstein M, Hedgepeth C, Rafter K, Montes M, Bigelow D. Tinnitus suppression in patients with cochlear implants. Otol Neurotol 2001; 22:200–204.

    CAS  Article  Google Scholar 

  12. 12

    Vallés-Varela H, Royo-López J, Carmen-Sampériz L, Sebastián-Cortés JM, Alfonso-Collado I. The cochlear implant as a tinnitus treatment. Acta Otorrinolaringol Esp 2013; 64:253–257.

    Article  Google Scholar 

  13. 13

    Távora-Vieira D, Marino R, Acharya A, Rajan GP. The impact of cochlear implantation on speech understanding, subjective hearing performance, and tinnitus perception in patients with unilateral severe to profound hearing loss. Otol Neurotol 2015; 36:430–436.

    Article  Google Scholar 

  14. 14

    House WF. Cochlear implants. Ann Otol Rhinol Laryngol 1976; 85(Suppl 27):1–93.

    PubMed  Google Scholar 

  15. 15

    Bovo R, Ciorba A, Martini A. Tinnitus and cochlear implants. Auris Nasus Larynx 2011; 38:14–20.

    Article  Google Scholar 

  16. 16

    Ito J, Fujino K, Shiomi Y, Takagi A, Takahashi H, Kawano M, Honjo I. Studies on speech perception by cochlear implant. Studia Phonologica 1988; 22:50–55.

    Google Scholar 

  17. 17

    Pan T, Tyler RS, Ji H, Coelho C, Gehringer AK, Gogel SA. Changes in the tinnitus handicap questionnaire after cochlear implantation. Am J Audiol 2009; 18:144–151.

    Article  Google Scholar 

  18. 18

    Souliere CRJ, Kileny PR, Zwolan TA, Kemink JL. Tinnitus suppression following cochlear implantation. A multifactorial investigation. Arch Otolaryngol Head Neck Surg 1992; 118:1291–1297.

    Article  Google Scholar 

  19. 19

    Kompis M, Pelizzone M, Dillier N, Allum J, Demin N, Senn P. Tinnitus before and 6 months after cochlear implantation. Audiol Neurootol 2012; 17:161–168.

    Article  Google Scholar 

  20. 20

    Bovo R, Ciorba A, Martini A. Tinnitus and cochlear implants. Auris Nasus Larynx 2011; 38:14–20.

    Article  Google Scholar 

  21. 21

    Anderson G, Freijd A, Baguley DM, Idrizbegovic E. Tinnitus distress, anxiety, depression, and hearing problems among cochlear implant patients with tinnitus. J Am Acad Audiol 2009; 20:315–319.

    Article  Google Scholar 

  22. 22

    Baguley DM, Atlas MD. Cochlear implants and tinnitus. Prog Brain Res 2007; 166:347–355.

    Article  Google Scholar 

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Correspondence to Mohamed F. M. Ahmed.

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Ahmed, M.F.M., Khater, A. Tinnitus suppression after cochlear implantation in patients with single-sided deafness. Egypt J Otolaryngol 33, 61–66 (2017).

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  • cochlear implantation
  • single-sided deafness
  • Tinnitus Handicap Inventory
  • tinnitus