[The cochlear implant in patients with sensorineural hearing defects].

Cochlear implants are at the present time the only possibility for rehabilitation of totally deaf people. In this article the pathophysiology of sensoneural hearing impairments, the way of functioning of cochlear implants and indication for their use are presented. The results as well as the differences in rehabilitation effect in prelingual and postlingual deaf are pointed out. The reasons of sometime unexpected good and sometime unexpected poor results are discussed. On the end some unsolved problems in rehabilitation of deaf children with this method are presented.