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Rehabilitative Methods

Question
3 out of 7
 

10-year-old boy Rajan is having sensorineural deafness, not benefited by hearing aids. Next best management is: [AIIMS May 2012]



A Cochlear Implant
B Stapes fixation

C Stapedectomy
D Fenestration

Ans. A Cochlear implant

B/L severe or profound hearing loss not benefited by hearing aid and it is an indication for use of cochlear implants

Criteria for the use of Cochlear implants

Prelingual and Postlingual Childre

Bilateral severe to profound hearing loss (only profound hearing loss in children < 2 years of age)

Lack of auditory develop ment with a proper binaural hearing aid trial

Properly aided open-set word recognition scores < 20-30% in children capable of testing

Suitable auditory developmental education plan

Lack of medical contraindication

Postlingual Adults

18 years of age

B/L severe to profound hearing loss

Properly aided recognition scores <40%

Lack of medical contraindication, with cochlea and auditory nerve present

Prelingual Adults

18 years of age

Bilateral profound deafness

Minimal benefit from properly fitted hearing aid

Lack of medical contraindication, with cochlea & auditory nerve present

Note

Postlingually deaf adults and children benefit most by implants, but it can be used in prelingualiy deaf patients also.