Prediction of Cochlear Implant Outcomes in Patients With Prelingual Deafness.

Prediction of Cochlear Implant Outcomes in Patients With Prelingual Deafness.

Clin Exp Otorhinolaryngol. 2016 Jun 25;

Authors: Kang DH, Lee MJ, Lee KY, Lee SH, Jang JH

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.

PMID: 27337951 [PubMed - as supplied by publisher]

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