Today's indications for cochlear implantation

Naïma Deggouj, M. Gersdorff, P. Garin, S. Castelein, J. M. Gérard

Research output: Contribution to journalReview articlepeer-review


During the last twenty years, the indications for cochlear implants (CIs) extended significantly due to positive experience with CIs, improved CI technology, and safer surgery. This paper reviews the classical and emerging indications for CIs anno 2007. Providing a postlingually deaf adult with a unilateral CI has been the earliest indication and remains the standard indication. However, CIs are also indicated for prelingually deaf adults, and for children younger than one year old. Recently, CIs are also indicated for adults with residual hearing: when best aided sentence recognition scores in quiet are lower than 70%. CIs for patients with residual hearing sometimes imply the use of a bimodal CI; a device that stimulates the cochlea both electrically and acoustically. Another promising evolution is bilateral implantation. Nowadays, it has also become possible to place a CI in the malformed cochlea. When an auditory nerve is absent or when implantation failed despite a functional device, auditory brainstem implants can restore some form of hearing to the deaf.

Original languageEnglish
Pages (from-to)9-14
Number of pages6
Issue number1
Publication statusPublished - 1 Mar 2007
Externally publishedYes


  • Cochlear implantation


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