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  • Title: Influenza A modification of endotoxin-induced otitis media with effusion in the guinea pig.
    Author: Ohashi Y, Nakai Y, Ohno Y, Sugiura Y, Okamoto H, Sakamoto H, Hayashi M.
    Journal: Eur Arch Otorhinolaryngol; 1993; 250(1):27-32. PubMed ID: 8466747.
    Abstract:
    A total of 120 Hartley strain guinea pigs were used to investigate the possible role of influenza A in endotoxin-induced otitis media with effusion. Intratympanic inoculation of 0.2 ml physiologic saline solution containing 10(4) plaque-forming units (PFU)/ml of influenza A suspension or 100 ng/ml lipopolysaccharide failed to induce either middle ear effusions or mucociliary pathologies in the tubotympanum. In contrast, intratympanic inoculation 100 ng/ml endotoxin resulted in prolonged mucociliary dysfunction and middle ear effusions when 0.2 ml 10(4) PFU/ml of influenza A was inoculated in the tympanic cavity. The inference is drawn that an influenza A infection might predispose the middle ear to endotoxin-induced otitis media with effusion.
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