Cochlear Brainstem Implant With Baha

Question 1

Cochlear implant was invented by

Answer 1

William F house ( father of neuro otology)

Question 2

If a pt has unilateral hearing loss can he undergo cochlear implantation
What is indication for cochlear implant

Answer 2

No

B/L severe to profound hearing loss more than 70db

Question 3

A pt underwent surgery for acoustic neuroma in both ear which led to damage of nerve and cochlea can he undergo cochlear implantation

Answer 3

No 
3 conditions to be met-
Nerve has to be functional 
cochlea has to be present
Central auditory pathway has to be functional

Question 4

A 1yr child became deaf due to meningitis and he has not learnt to speak yet.
Type of deafness
When to undergo cochlear implantation?

Answer 4

Prelingual deafness
It is Also seen in children born deaf

Implantation earliest at 1yr and maximally less than 7 yr

Question 5

What is postlingual deafness.

When to undergo cochlear implant in these individual?

Answer 5

Deafness in People who have already developed speech .

Earlier the better because auditory deprivation leads to nerve becoming dysfunction

Question 6

External components of cochlear implant

Answer 6

Microphone
Speech processor
Transmitter coil

Question 7

Internal components of cochlear implant

Answer 7

Receiver stimulator

Electrodes

Question 8

Electrode are passed through _____ on posterior wall of middle ear .
And via _________ into scala tympani

Answer 8

Facial recess area

Round window

Question 9

What intervention can be done it pt who has cochlear nerve aplasia

Answer 9

Auditory brainstem implant