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Nihon Jibiinkoka Gakkai Kaiho. 1991 May;94(5):649-56.

[Follow-up study of secretory otitis media after adenoidectomy and tonsillectomy].

[Article in Japanese]

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Department of Otolaryngology, Toho University School of Medicine, Tokyo.


Questionnaires concerning the pre- and post- operative conditions were conducted on 92 patients with secretory otitis media who underwent adenotomy or adeno-tonsillectomy. Fifty-three patients of them further received microscopic inspection of the eardrum and hearing tests. The questionnaires indicated that episodes of fever-up or cold decreased markedly after the operations. However, even after the operations, one-third of the patients experienced acute otitis media, and one-fourth complained of nasal symptoms such as nasal obstruction and nasal discharge. About a half of the patients showed normal findings of the eardrum after the operations. Secretory otitis media was cured in almost all cases; 80% of the ears showed type A tympanograms. However, about 35% of the ears showed unfavorable prognoses after the operations; recurrence and elongated cure were found in 75% and 25% of these ears, respectively. The younger the patients, the higher the incidence of unfavorable prognosis became. Recurrence was most frequently observed in patients younger than 6-year-old, and it usually occurred 4-9 months after the operations mainly in winter. The present study suggested that patients must be followed for at least 1 year after operation and that nasal symptoms must be carefully treated in patients not older than 5 years.

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