Studies show that half of the newly occurrence otitis media are diagnosed immediately after patient had been infected by viral URTI (virus that causes flu and common cold). By using traditional standard culture techniques, it is quite rare that viruses could be isolated from the middle ear effusions in the patient with otitis media. However, with the newly developed PCR-based molecular analysis, viruses in the middle ear effusions could be detected and discovered that 53% of the middle ear effusions are positive for viruses [J Infect Dis 1995;172:1348-51]. An experimental, which was carried out by infecting real human with rhinovirus-39, had been carried out in Children's Hospital of Pittsburgh to study the effect of this virus to the middle ear pressure and Eustachian tube. Result of this experiment showed a substantial increase of Eustachian tube dysfunction and also abnormal middle ear in approximately 30% of the people who had been infected in this study. However, all these people who had been infected by this virus had less possibility to develop an otitis media disease. In another study, where influenza A virus was intranasally inoculated to a group of peoples, 59% of the inoculated people experienced the development of middle ear under pressure and only 25% of these people developed otitis media [J Infect Dis 1995;172:1348-51]. In this study, one of the inoculated people developed middle ear under pressure followed by purulent otitis media. This patient middle ear effusion was taken for PCR analysis and it showed positive result for both influenza A and Streptococcus Pneumoniae. Streptococcus Pneumoniae is some kind of spherical, Gram-positive, alpha-hemolytic bacterium and it is a member of the genus Streptococcus. In this group of inoculated people, 80% of them who had infected by this virus experienced the development of Eustachian tube dysfunction and 80% of them had middle ear under pressure [Ann Otol Rhinol Laryngol 1994;103:59-69]. With this group of infected people, five of them had developed OME on the 4th day after the viral exposure. One of the patients had dizziness and vertigo symptoms, which is mainly due to the inner ear malfunction. All these studies support the causes of otitis media by URTIs virus and causes of otitis media starting from the development of Eustachian tube obstruction and abnormal middle ear pressure. In the recent publication about the study of a group of children with acute otitis media, micro-organisms in the fluids of the middle ears of the children were isolated by the investigator of this study. They found out that 65% of the fluid samples that had been collected contained both bacteria and viruses. These results show that virus infection in the middle ear creates an environmental that is suitable for the breeding of bacteria. [N Engl J Med 1999;340:260-4].
Based on the information that had been collected from a few recent publications of the studies of the relationships of the allergic rhinitis to the OME (otitis media with effusion), we could conclude that allergic rhinitis or common cold/flu will cause Eustachian tube obstruction and middle ear pressure. When the situation becomes uncontrollable, otitis media with effusion will develop and this may could permanent hearing impairment. Therefore, allergic rhinitis and common cold/flu should be treated immediately without any delay. This is because these common illnesses may become serious and develop to chronic sinusitis disease and otitis media with effusions, which is quite difficult to cure.
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