Advanced Bionics M Acoustic Earhook Manual Del Usuario página 11

Severe-to-profound bilateral sensorineural deafness or
•
severe-to-profound unilateral hearing loss.
Use of appropriately fitted hearing aids for at least
•
6 months in children 2 through 17 years of age, or at
least 3 months in children 12 through 23 months of age.
The minimum duration of hearing aid use is waived if
x-rays indicate ossification of the cochlea.
• Little or no benefit from appropriately fitted hearing
aids. In younger children (< 4 years of age), lack of
benefit is defined as a failure to reach developmentally
appropriate auditory milestones (such as spontaneous
response to name in quiet or to environmental sounds)
measured using the Infant-Toddler Meaningful Auditory
Integration Scale or Meaningful Auditory Integration
Scale or ≤ 20% correct on a simple open-set word
recognition test (Multisyllabic Lexical Neighborhood
Test) administered using monitored live voice
(70 dB SPL). In older children (≥ 4 years of age), lack
of hearing aid benefit is defined as scoring ≤12% on
a difficult open-set word recognition test (Phonetically
Balanced-Kindergarten Test) or ≤ 30% on an open-set
sentence test (Hearing In Noise Test for Children)
administered using recorded materials in the sound
field (70 dB SPL).
The M Acoustic Earhook coupled with the Naída CI M90
or Sky CI M90 sound processor is indicated for unilateral
or bilateral use in patients with aidable low frequency
hearing sensitivity and severe-to-profound sensorineural
hearing loss.
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