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pubmed:abstractText |
One hundred forty-four serous and mucoid effusions were cultured for aerobic bacteria, Mycoplasma pneumoniae, and virus. Thirty percent of all effusions yielded an unequivocally positive culture for aerobic bacteria. Although serous effusions were culture positive as often as mucoid effusions, Haemophilus influenzae was isolated predominantly from serous effusions and Staphylococcus epidermidis predominantly from mucoid samples. Only one of 73 effusions yielded a viral isolate (Herpesvirus hominis). None of 33 effusions yielded M pneumoniae, and only one of 17 effusions yielded an anaerobe (Propionibacterium). These findings suggest that aerobic bacteria may play a role in the pathogensis of serous and mucoid otitis media.
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