滲出性中耳炎難治例の検討-耳管機能, 鼻副鼻腔炎の面から-

概要

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Otitis media with effusion (OME) in children usually subsides spontaneously, but in some cases it is refractory. To find the factors which prevent recovery, we examined 69 patients (112 ears) aged 10 to 20 years who had persistent OME. As factors most closely related to the etiology of OME, eustachian tube function and the influence of paranasal sinusitis were examined.We found that the tubal ventilatory function of refractory cases was greatly disturbed, in 33% of those cases, the passive opening pressure of the tube was higher than normal, while 19 ears showed closing failure of the tube in the sniffing test. Paranasal sinusitis was found in 50% of the refractory cases, significantly lower than in younger children (aged 4 to 9 years) with OME.Thus, it may be concluded that tubal dysfunction caused by some organic abnormalities plays an important role in the etiology of refractory OME in adolescence.
耳鼻咽喉科臨床学会の論文