Cochlear iplantation in Iran

الملخص EN

Sound is transformed into small electrical cur-k3 rents which stimulate the audit/try nerves in the cochlea and generate the hearing sensation.

Cochlear implantation (CI) has become an in¬creasing common procedure, in the rehabilitation of selected cases of profound bilateral deafness.

CI is a method which provides useful hearing and improves communication ability of adults and children with severe or profound bilateral sensorineural hearing toss.

One hundred sixty patients (134 prelingual, 26 postlingual deaf) underwent cochlear implantation after full investigations in the Iranian Cochlear Im¬plantation Center from 1992 to 1998.

The majority of patients were 4 to 7 years old The youngest pa¬tient was a 15-manth-old child.

Spontaneous reac¬tion to environmental sound achieved in H7.3 per¬cent.

71% of cochlear implanted deaf patients be¬came able to use telephone and communicate with familiar speakers.

Complication rate was as low as .1.75% and the most common complication was CSF gusher.