Abstract
The presence of antibodies against some important respiratory viruses in the middle ear and nasopharyngeal secretions of 52 children with secretory otitis media (SOM) was investigated in order to find out about the role of these viruses in the development of SOM. The method employed was a sensitive radioimmunoassay test. Antibodies to adeno, syncytial, and parainfluenza 3 viruses were detected in about 50%, 50% and 20% of the patients, respectively. In eight patients the middle ear secretion/nasopharyngeal secretion titer ratio of antibodies to one virus was selectively increased in comparison with the other viruses tested, indicating an active local production of specific antibodies in the middle ear. Further studies are required to determine the cause of such an active antibody synthesis and its possible role in the etiopathogenesis of SOM.
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