Abstract

Data obtained on the isolation pattern of bacterial otitis media in children at a general hospital in Italy are compared with data in the international literature and with the findings from a recent multicenter Italian study. Knowledge of likely causative pathogens is a useful guide for therapeutic decisions, since the laboratory results may not be available before therapy is started. Microbiologic specimens were collected over a 3-year period (1987 to 1989), and the antibiotic susceptibility of the isolates was determined using the disk diffusion method. Pneumococcus sp and Haemophilus sp were the most common isolates, although differences were found in the pattern of isolates among three different types of otitis media (OM)—acute OM, secretory OM, and acute OM with perforation. Pseudomonas aeruginosa and Staphylococcus aureus were frequently isolated in the 1a test group. Moraxella catarralis was confirmed to be an emerging pathogen of otitis media in children.

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