Surgery and Functional Outcomes in Deaf Children Receiving Cochlear Implants Before Age 2 Years
S. S. Hehar, FRCS;
Thomas P. Nikolopoulos, MD, DM, PhD;
Kevin P. Gibbin, FRCS;
Gerard M. O'Donoghue, FRCS
Arch Otolaryngol Head Neck Surg. 2002;128:11-14.
Objective To examine the feasibility of cochlear implantation in children younger
than 2 years regarding surgery and functional outcomes.
Design Prospective study.
Setting Tertiary pediatric cochlear implant center.
Patients A consecutive sample of 12 children younger than 2 years at the time
of cochlear implantation (8 boys and 4 girls). The cause of hearing loss was
meningitis in 6 children and congenital in 6.
Interventions Multichannel cochlear implantation using the Nucleus C124M (Cochlear
Co, Sydney, Australia) device. Functional outcome was assessed using the Listening
Progress Profile and the Categories of Auditory Performance.
Main Outcome Measures Perioperative and postoperative surgical complications and functional
outcome.
Results Eight children had a completely patent cochlea. Four children required
a 3- to 5-mm drilling to reach the scala tympani because of ossification after
meningitis. Full insertion was achieved in 11 patients; the other child received
18 electrodes. One patient had temporary facial nerve weakness; 2 others had
wound edema and serous discharge that resolved with conservative management.
In the longer term, 1 child experienced a single episode of acute otitis media;
another had recurrent episodes of otitis media. Mean Listening Progress Profile
scores increased from 1 to 42 and median Categories of Auditory Performance
scores increased from 0 to 5 at 2 years postsurgery. Comparison with the scores
in the 2- to 5-year group showed no significant differences. No significant
tuning difficulties were experienced with all children.
Conclusions Cochlear implantation is feasible in children younger than 2 years without
significant surgical complications or particular tuning difficulties. Functional
results 2 years after implantation were as good as or better than those of
children who underwent implantation between ages 2 and 5 years.
From the Department of Otolaryngology, University Hospital, Queen's
Medical Center NHS Trust, Nottingham, England.
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