北海道郡部の小児耳鼻咽喉科疾患の現状-検診結果より-

概要

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Otolaryngological examinations were carried out on 1017 children (1-13, mean 4.9 years old) in 5 rural towns in Hokkaido. In addition to the usual ENT examinations, tympanometric examination and cytological study of nasal secretions were performed in all children.The incidence of abnormal nasal findings and nasal eosinophilia increased, whereas that of abnormal ear findings and abnormal tympanograms decreased with age. There was no correlation between the occurence of nasal eosinophilia and abnormal tympanograms. A history of allergy, included asthma, also showed no correlation with the incidence of abnormal ear findings. The incidence of upper respiratory tract infection was lower in the older children.These findings suggest that allergy is not related to otological abnormalities, including otitis media with effusion.