KMID : 1195620160090030220
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Clinical and Experimental Otorhinolaryngology 2016 Volume.9 No. 3 p.220 ~ p.225
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Prediction of Cochlear Implant Outcomes in Patients With Prelingual Deafness
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Kang Dong-Hoon
Lee Myoung-Jin Lee Kyu-Yup Lee Sang-Heun Jang Jeong-Hun
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Abstract
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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¡Â4, n=41) and the good performance group (good performance group, CAP scores¡Ã5, 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¡¾1.04) than the good performance group (1.25¡¾1.11, 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.
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KEYWORD
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Cochlear Implantation, Sensorineural Hearing Loss, Speech Perception, Prognosis, Language Development
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