Cochlear Implantation after Bacterial Meningitis in Infants Younger Than 9 Months
Table 1
Clinical characteristics and outcome of infants receiving cochlear implantation because of postmeningitic profound sensorineural hearing loss before the age of 9 months.
Case
Age at onset meningitis
ABR results
T1+ contrast cochlear MR image
T2 weighted cochlear MR image
Age at cochlear implantation
Side of implantation
Surgical findings
Result of implantation
Categories of auditory performance (CAP-NL)
Speech intelligibility rating (SIR)
Other sequelea
1
3 months
>85 dB L + R
enhancement cochlea L + R
normal hyperintense
4 months
L + R
minimal cochlear fibrosis
full insertions
4
0
epilepsy
2
5 months
>85 dB R 60 dB L
enhancement cochlea L + R
unilateral hypointensity
7 months
R
cochlear fibrosis
full insertion
5-6
5
none
3
6 months
>85 dB L + R
enhancement cochlea L + R
hypointensity and artifacts
7 months
L + R
cochlear fibrosis
full insertions
3-4
1
epilepsy, areflexia, ataxia, and developmental delay