인공와우 이식아동의 전기자극 수준 변화에 대한 장기 추적 연구

오수희; 이민아; 정종우; 윤태현; 이광선

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자료유형: 학술저널

저자정보: 오수희 이민아 정종우 윤태현 이광선

저널정보: 대한이비인후과학회 대한이비인후-두경부외과학회지 대한이비인후과학회지 두경부외과학 제51권 제3호

발행연도: 2008.1

수록면: 217 - 220 (4page)

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The goal of mapping after cochlear implantation (CI) is to find a proper range of acoustic signals for the implantees. In young children or infants, however, it is more difficult to obtain reliable responses during mapping procedure. The purpose of this study was to observe the changes of the proper electrical stimulation levels (threshold levels, comfortable levels and dynamic range) in children with the Nucleus 24 cochlear implant system by analyzing postoperative mapping results. Subjects and Method：The maps of 23 children with normal inner ear who received CI were examined at 7 time intervals (1, 6, 12, 24, 36, 48 and 60 months post-connection). Results：The mean value of C levels and DR of 23 children gradually increased according to time from 1 month to 60 months post-connection. The value of T level increased up to 6 months post-connection and then stabilized. Conclusion：This study emphasized the need for frequent mapping in the first 6 months of implant use in children. Protocol for regular mapping schedule from 1 year to 5 year post-connection would be necessary. (Korean J Otorhinolaryngol-Head Neck Surg 2008;51:217-20)

#Cochlear implantation·Thresholds·Comfortable levels·Dynamic range.

참고문헌 (16)

참고문헌 신청

Brown CJ / 1995 / Longitudinal assessment of physiological and psychophysical measures in cochlear implant users / Ear Hear 16 (5) : 439 ~ 449

Butts SL / 2000 / Changes in stimulation levels over time in nucleus 22 cochlear implant users / Ann Otol Rhinol Laryngol Suppl 185 : 53 ~ 56

Dorman MF / 1992 / Long-term measures of electrode impedance and auditory thresholds in the ineraid cochlear implant / J Speech Hear Res 35 (5) : 1126 ~ 1130

Henkin Y / 2003 / Changes over time in electrical stimulation levels and electrode impedance values in children using the nucleus 24M cochlear implant / Int J Pediatr Otorhin

Henkin Y / 2003 / Changes over time in psycho-electric parameters in children with cochlear implants / Int J Audiol 42 (5) : 274 ~ 278

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