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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
대한이비인후과학회 대한이비인후-두경부외과학회지 대한이비인후과학회지 두경부외과학 제50권 제1호
발행연도
2007.1
수록면
14 - 18 (5page)

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초록· 키워드

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Background and Objectives:Many studies have demonstrated that stapedotomy is a successful means of improving hearing for stapes fixation. The aim of this study was to analyze the pre and post-operative hearing improvements and causes of unsucc-essful cases after stapedotomy. Subjects and Method:We reviewed the medical records and video recordings of 38 patients (39 ears)having other ossicular anomaly, stapes fixation in chronic midle ear disease and past history of ear surgery, were excluded. Patient ages ranged from 6 to 60 years, with the patients consisting of 15 males, 16 ears and 23 females, 23 ears. Observation ranged from 8 to 50 months and the mean observation time was 15.4± 1.6 months. Hearing improvements at the final examination were designated as successful when air-bone gap was reduced to 20 dB or less. Results:Pre-operative mean bone and air con-duction thresholds were 21.6± 10.8 (mean± SD) dBHL, 53.4± 12.1 dBHL respectively and mean air-bone gap were 31.8± 8.8 dB. After stapedotomy, mean bone and air conduction thresholds were 17.6± 9.0 dBHL, 29.6± 1.9 dBHL respectively and mean air-bone gap were 1.5± 7.1dB at the last audiologic folow-up. Sucesful hearing improvements were achieved in 36 ears (92.3%). Three patients underwent revision surgery. Conclusion:improvement for stapes fixation with unknown etiology. (Korean J Otolaryngol 207 ;50 :14-8)

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