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Audiology and Speech Research > Volume 14(1); 2018 > Article
Audiology and Speech Research 2018;14(1): 35-40.
Published online: January 31, 2018.
doi: http://dx.doi.org/10.21848/asr.2018.14.1.35
급성 저주파수 난청 치료에 따른 이명의 양상 및 예후
김진숙1,2, 이은성1,2, 남의철3
1한림대학교 일반대학원 언어병리청각학과
2한림대학교 자연과학대학 언어청각학부·청각언어연구소
3강원대학교 의학전문대학원 이비인후과학교실
Characteristics and Prognosis of Tinnitus after Treatment in Acute Low-Frequency Sensorineural Hearing Loss
Jinsook Kim1,2, Eunsung Lee1,2, Eui-Cheol Nam3
1Department of Speech Pathology and Audiology, Graduate School, Hallym University, Chuncheon, Korea
2Division of Speech Pathology and Audiology, Research Institute of Audiology and Speech Pathology, College of Natural Sciences, Hallym University, Chuncheon, Korea
3Department of Otolaryngology, School of Medicine, Kangwon National University, Chuncheon, Korea
Correspondence  Eui-Cheol Nam ,Tel: +82-33-258-2311 , Fax: +82-33-255-8809 , Email: birdynec@kangwon.ac.kr
Received: December 1, 2017; Revised: January 10, 2018   Accepted: January 11, 2018.  Published online: January 31, 2018.
ABSTRACT
Purpose:
Acute Low-frequency sensorineural Hearing Loss (ALHL) is characterized by earfullness, tinnitus and hearing loss restricted to the low frequency region. The aim of this study was to investigate the characteristics and prognosis of tinnitus in ALHL.
Method:
We investigated tinnitus characteristics with analyzing tinnitograms and studied correlation between tinnitus improvement and hearing recovery of ALHL patients. We classified hearing change after the four weeks of medical treatment applying oral steroid and diuretics into ‘complete recovery,’ ‘partial recovery,’ and ‘no change.’ Degree of tinnitus improvement following the treatment was categorized as ‘completely disappeared,’ ‘partially improved,’ and ‘persistent.’
Results:
Among 46 ALHL patients, tinnitus was reported by 34 (74.0%) patients. After the medical treatment tinnitus completely disappeared in 19 (55.9%), partially improved in 9 (26.5%), and persisted in 6 (17.6%). Among 26 patients who completed tinnitograms, tinnitus was matched at frequencies ≤ 500 Hz in 14 (53.8%) and at ≥ 2,000 Hz in 12 (46.2%), respectively, forming lower and higher frequency tinnitus groups. Tinnitus completely disappeared or partially improved in 12 (85.7%) patients with lower frequency tinnitus and in 9 (75.0%) with higher frequency tinnitus. We observed a significant positive correlation between hearing recovery and tinnitus improvement in both lower and higher frequency tinnitus groups (r = 0.74 and r = 0.62, respectively).
Conclusion:
Patients with ALHL may complain the high frequency tinnitus although their hearing loss recently developed in low frequency region. Tinnitus associated with ALHL was successfully treated with applied medications, showing better treatment for lower frequency tinnitus group. Hearing recovery and tinnitus improvement were significantly correlated.
Key Words: Tinnitus, Acute, Low-frequency, Hearing loss.
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