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Korean Journal of Otorhinolaryngology-Head and Neck Surgery > Volume 31(2); 1988 > Article
Korean Journal of Otorhinolaryngology-Head and Neck Surgery 1988;31(2): 202-11.
A Clinical Study of Hearing Loss Related to the Middle Ear Pathology in Chronic Otitis Media
Kyu Jin Kim, MD, and Kwang Chol Chu, MD
Department of Otolaryngology, College of Medicine, Korea University, Guro Hospital, Korea
만성중이염의 중이병변과 청력상의 상관관계에 관한 고찰
김규진 · 추광철
고려대학교 의과대학 구로병원 이비인후과학교실

Hearing loss in chronic otitis media, closely related to the middle ear pathology, especially, size of ear drum perforation, condition of ossicular chain, location of granulation tissue, and duration of the disease. Author studied the relationship between the preoperative hearing acuity and middle ear pathology in 400 ears of chronic otitis media who had tympanoplasty at Dept. of Otolaryngology in Korea University, Guro Hospital from September 1985 to August 1987. The results were as follows. 1) Hearing loss was increased with the increase in duration of the disease, but the cholesteatoma was not increased. 2) Hearing loss was increased with the size of ear drum perforation and cholesteatoma was the most common in attic perforation 3) Hearing loss increased in order of simple perforation without pathology, ossicular fixation, pathologic lesion around the ossicles, ossicular disruption, total loss of ossicles. 4) Hearing loss more greatly related to the middle ear pathology than the size of drum perforation. 5) Hearing loss was greater in two or more loss of ossicles than single loss and average 67.8% cases of ossicular losses were related to the cholesteatoma. 6) In the type of audiogram, flat type was the most common and ascending type was next common.

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