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Korean Journal of Otorhinolaryngology-Head and Neck Surgery > Volume 25(3); 1982 > Article
Korean Journal of Otorhinolaryngology-Head and Neck Surgery 1982;25(3): 485-8.
Effects of Tonsillectomy and Adenoidectomy on Eustachian Tube Function
Hyun Jung Kim, MD, In Kwan Song, MD, Kyung Hee Park, MD, Young Chul Moon, MD, and He Ro Yoon, MD
Department of Otolaryngology, Catholic Medical College, Seoul, Korea
구개 및 인두편도절제술이 이관의 기능에 미치는 영향
김현중 · 송인관 · 박경희 · 문영철 · 윤희로
가톨릭대학교 의과대학 이비인후과학교실

The function of the eustachian tube was evaluated with impedance audiometry before and after tonsillectomy and adenoidectomy. In all cases the first tympanometry was performed on the day before operation and everyday after operation. The pressures were classified in tympanogram type A (+50 to -99mmH2O), type C1 (-100 to -199 mmH2O) and type C2 (less than -200mmH2O). Before operation, 36 ears had type A and 4 ears had type C2. The operation produced changes in middle ear ventilation. In 75% of ears, there was noted to a negative pressure of -100mmH2O or less on the first day after operation. Normalization of the pressure was noted earlier relatively and occurred in all cases on the 9th day after operation.

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