抄録
Acute otitis media (AOM) caused by beta-lactamase negative ampicillin-resistant Haemophilus influenzae (BLNAR) is an urgent problem. This study analyzes recent trends in infant AOM due to BLNAR in a community hospital. The percentage of BLNAR among all H. influenzae specimens in 2002 was 40%, and the susceptibility to penicillins and cefems remarkably deteriorated. The 25case osf infant AOM caused by BLNA tRended to have long period osf otorrhea and lowers, horter fevers. Of these cases,50% had been administered antimicrobials showing high susceptibility to BLNAR. An appropriate administration of antibiotic is required.
