Clin Exp Otorhinolaryngol.  2016 Sep;9(3):220-225. 10.21053/ceo.2015.01487.

Prediction of Cochlear Implant Outcomes in Patients With Prelingual Deafness

• Kang DH
• Lee MJ
• Lee KY
• Lee SH
• Jang JH

• KMID: 2353619
• DOI: http://doi.org/10.21053/ceo.2015.01487

Abstract

OBJECTIVES
To evaluate the factors that limit post-cochlear implantation (CI) speech perception in prelingually deaf children.
METHODS
Patients with CI were divided into two groups according to Category of Auditory Performance (CAP) scores 3 years post-CI: the poor performance group (poor performance group, CAP scores≤4, n=41) and the good performance group (good performance group, CAP scores≥5, n=85). The distribution and contribution of the potential limiting factors related to post-CI speech perception was compared.
RESULTS
Perinatal problems, inner ear anomalies, narrow bony cochlear nerve canal (BCNC), and intraoperative problems was significantly higher in the poor performance group than the good performance group (P=0.010, P=0.003, P=0.001, and P=0.045, respectively). The mean number of limiting factors was significantly higher in the poor performance group (1.98±1.04) than the good performance group (1.25±1.11, P=0.001). The odds ratios for perinatal problems and narrow bony cochlear nerve canal in the poor performance group in comparison with the good performance group were 4.878 (95% confidence interval, 0.067 to 0.625; P=0.005) and 4.785 (95% confidence interval, 0.045 to 0.972; P=0.046).
CONCLUSION
This study highlights the comprehensive prediction of speech perception after CI and provides otologic surgeons with useful information for individualized preoperative counseling of CI candidates.

Keyword

Cochlear Implantation; Sensorineural Hearing Loss; Speech Perception; Prognosis; Language Development

MeSH Terms

Child
Cochlear Implantation
Cochlear Implants*
Cochlear Nerve
Counseling
Deafness*
Ear, Inner
Hearing Loss, Sensorineural
Humans
Language Development
Odds Ratio
Prognosis
Speech Perception
Surgeons

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