[The clinic application of multichannel cochlear implant with eleven cases reported]

Abstract

Objective: To review the effects of profound sensorineural deaf patients who were implanted multichannel cochlear.

Method: Eleven profound deaf patients (6 prelingually deaf and 5 postlingually deaf) were implanted with twenty-two (model Minisystem 22) and twenty-four (model Nucleus 24) channel cochlear. Mapping of cochlear speech processor was done in 1 to 1.5 months after operation.

Result: All of 11 patients obtained the hearing. The patients with postlingually deaf can dialog and communicate with telephone after a simple language training without lip reading training. These patients achieved the best results, they not only stepped in sound world but also obtained a normal living and work. In the prelingually deaf patients, they got hold of incoordinate progress in speech ability after assess and speech training.

Conclusion: The multichannel cochlear implant had good effects in profound deaf patients, especial in postlingually deaf patients and younger children.