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Audiol > Volume 5(1); 2009 > Article
Audiology 2009;5(1): 51-59.
Published online: December 31, 2009.
doi: http://dx.doi.org/10.21848/audiol.2009.5.1.51
난청을 동반한 이명환자의 보청기 착용에 따른 이명완화효과와 예후인자
이현주, 김정범, 정재윤, 이정구, 서명환
단국대학교 의과대학 이비인후과학교실
Specific Effects and Prognostic Factors of Hearing Aids on Tinnitus
Hyun-Ju Lee, Jeong-Beom Kim, Jae-Yun Jung, Chung-Ku Rhee, Myung-Whan Suh
Department of Otolaryngology-Head & Neck Surgery, Dankook University College of Medicine, Cheonan, Korea
Correspondence  Myung-Whan Suh ,Tel: (041) 550-7678, Fax: (041) 556-1090, Email: drmung@naver.com
Received: June 8, 2009;  Accepted: November 9, 2009.  Published online: December 31, 2009.
ABSTRACT
It is known that hearing aids can be effective in treating patients with both tinnitus and hearing loss. The aim of this study was to disclose the specific effects of hearing aids in relieving tinnitus and to find out relevant prognostic factors. A prospective study was done on 10 patients who had both tinnitus and hearing loss. All the patients underwent tinnitus evaluation, such as pitch & loudness matching, minimal masking level (MML) and residual inhibition (RI). Also self-reported outcome measures of tinnitus and hearing handicap such as visual analog scale (VAS), tinnitus handicap inventory (THI), hearing handicap inventory for the elderly (HHIE) and tinnitus intake/outcome interview (TI) were investigated. A success rate of tinnitus control was 90.0% in VAS and 70.0% in THI. The alleviation rate was 53.2% in VAS, 48.0% in THI and 50.0% in TI. The characteristics of the tinnitus such as MML and RI changed during three months of hearing-aids use. Each score of the VAS, THI, HHIE and TI before the treatment had a significant correlation with the total THI score after 3 months of the treatment. The duration of tinnitus had a significant correlation with the change in RI. After using hearing aids, the subjective discomfort due to tinnitus significantly reduced in 70-90% of the patients. The most important prognostic factor was the degree of pretreatment discomfort. Therefore, a more substantial improvement would be expected from the patients with greater pretreatment discomfort level.
Key Words: Hearing aid·Tinnitus.
중심단어: 보청기· 이명.
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