Eustachian Tube Dysfunction in Children with Ragweed Hayfever during Natural Pollen Exposure
Abstract:The role of upper respiratory allergy in the pathogenesis of otitis media with effusion (OME) is an interesting but still unresolved issue. In order to investigate this further, fifteen children with ragweed hayfever were studied for the development of eustachian tube obstruction (ETO), utilizing the nine-step pressure-swallow test, prior to, during, and after seasonal exposure to ragweed pollen. Daily symptom-medication diaries were maintained and serial physical examinations were performed. ETO was found in 60% of the ragweed sensitive children during natural pollen exposure. The development of ETO was found to correlate with ragweed skin test wheal size and daily patient symptom-medication scores (SMS) during pollen exposure. Treatment of hayfever symptoms with pseudoephedrine and/or chlorpheniramine did not prevent most patients from developing ETO. Despite the prevalence of ETO in the study group, only one child developed evidence of middle ear effusion. These findings suggest that children with ragweed hayfever develop eustachian tube (ET) dysfunction during natural pollen exposure. Seasonal allergy induced ETO is not, however, by itself sufficient to produce middle ear effusion.
Document Type: Research Article
Publication date: 1989-03-01
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