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The Effects of Intratympanic Steroid Injection for the Patients with Refractory Sudden Sensorineural Hearing Loss

Other Title
고식적 치료에 반응을 보이지 않는 돌발성난청 환자에 대한 고실내 스테로이드 주입술의 효과
Authors
정, 연훈; 박, 기현; 모, 정윤; 오, 정훈; 김, 지수
Citation
Taehan Ibi Inhukwa Hakhoe chi, 48(6):706-712, 2005
Journal Title
Taehan Ibi Inhukwa Hakhoe chi; Journal of the Korean Otolaryngological Society; 대한이비인후과학회지
ISSN
1225-035X
Abstract
Background and Objectives: High-dose steroid therapy has been known as the treatment of choice for sudden sensorineural hearing loss (SSNHL). However, about one third of patients do not generally respond to any treatments, and there seem to be no definitive treatment for the patients with refractory SSNHL. We prospectively studied the effect of intratympanic steroid injection (ITSI) for patients with refractory SSNHL.



Subjects and Method: Sixty six patients with SSNHL, who were refractory to a course of oral steroid therapy, were included in this study. Thirty three patients (34 ears) were treated with ITSI and the other 33 patients had no further treatments as control. ITSI was performed with dexamethasone in the supine position on 4 separate occasions over the course of 2 weeks. Hearing was assessed immediately before every injection, and at 1 and 4 weeks after therapy. Hearing improvement was defined as more than 10 dB in pure tone average (PTA).



Results: Hearing improvement was observed in 13 (39.4%) of 33 patients who underwent ITSI and in 2 (6.1%) of 33 patients in control group. Five of 13 showed hearing improvement over 20 dB in PTA, and 11 of 20 patients showed no improvement in PTA by ITSI, but showed improvement over 10dB in some frequencies. There were no definite prognostic factors between the patients who responded to ITSI and those who didn’t.



Conclusion: ITSI is a simple and effective therapy for patients with refractory SSNHL.
Keywords
Sudden deafnessSteroidsTympanumInjection
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Journal Papers > School of Medicine / Graduate School of Medicine > Otolaryngology
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