Journal of the Korean Pediatric Society 2000;43(11):1446-1450.
Published online November 15, 2000.
Clinical Application of Impedance Audiometry in Children with Acute Otitis Media
Jee Sung Hwang, Sung Do Kim, Young-Ho Rah, Chong-Woo Bae
Department of Pediatrics, College of Medicine, Kyung Hee University, Seoul, Korea
소아 급성 중이염에서 Impedance Audiometry 검사의 적용
황지성, 김성도, 나영호, 배종우
경희대학교 의과대학 소아과학교실
: Acute otitis media is one of the most prevalent diseases of childhood and can cause serious complications such as hearing loss. The exact diagnosis is extremely important but may be hard to make because of probabilities of over- and underdiagnosis. We performed impedance audiometry(IA) in routine examinations for acute otitis media and applied it for screening and follow-up methods of acute otitis media.
: We performed IA randomly on whomever were suspected of having acute otitis media due to symptoms and otoscopic appearance. These 95 patients were aged from 1 month to 10 years, and visited our out-patient clinic from December 1998 to February 2000.
: Male to female ratio was 2:1. Fifty eight patients(61.1%) were under 2 years-old and the most prevalent age group was the 1 year-old group(35.8%). Sixty two cases(65.3%) had abnormal tympanograms; B type, 43 cases(45.3%); C type, 12 cases(12.6%) and As type, 7 cases (7.4%). The follow-up studies of abnormal tympanogram after antibiotics administration showed improved tympanograms(39 cases), chronic otitis media(7 cases) needed to insert ventilation tubes, and congenital cholesteatoma(1 case); and follow-up losses(15 cases).
: Tympanometry played an important role in detecting the middle ear pathology in childhood. So we recommend initial screening tympanometry for acute otitis media and at least two screenings prior to major management decisions.
Key Words: Impedance audiometry, Tympanometry, Tympanogram, Acute otitis media

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