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《Journal of Clinical Otorhinolaryngology》 2004-04
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The psychophysical tests in different age of patients with cochlear implants

CHEN Xueqing 1 HAN Demin 1 ZHAO Xiaotian 2 KONG Ying 1 LIU Sha 1 MO Lingyan 1 LIU Bo 1 ZHENG Jun 2 LI Yongxin 2 WANG Shuo 1 WU Yanjun 1( 1Department of Speech and Hearing Rehabilitation, Beijing Institute of Otolaryngology, Affiliated Beijing Tongren Hospital of Capital University of Medical Sciences, Beijing, 100005, China; 2 Department of Otolaryngology, Affiliated Beijing Tongren Hospital of Capital University of Medical Sciences)  
Objective: The aim of this research is to analyse and compare the psychophysical tests in different age of patients with a cochlear implant. Method:One hundred and seventy patients with Nucleus CI24M cochlear implant system participated in this study. The patients were divided into four groups according to their age. They were group A (3 year), B(3-6 year), C(6-12 year) and D(12 year). The psychophysical tests included T and C-Level evaluation. Result:C-Levels of each electrode (except electrode No.20) were significantly different between group A and D at the time of one month after switch-on (P 0.01 , P 0.05 for the No. 2, 18, 19, 21, 22 electrode). The normalized differences between used C-Levels and C-Levels for group D were significantly higher than the other three groups at the switch-on session (P 0.01 ,P 0.05 between group D and C). The normalized differences between used C-Levels and C-Levels were significantly different for the group A and D at one week after first programming session (P 0.05 ). Conclusion:T and C-Level for different age groups were different. The normalized differences between used C-Levels and C-Levels were significantly different among the four groups in the few weeks after switch-on.
【CateGory Index】: R764.9
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