Changing Patterns of Bacterial Strains in Adults and Children With Otitis Media in Korean Tertiary Care Centers
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Objectives. Otitis media (OM) is an infectious disease that affects all age brackets. Aural discharge is a typical symptom, oc- curring in all subtypes of OM. We have compared the identity and antibiotic sensitivity of bacteria isolated from au- ral discharges of adults and children with various types of OM, including acute OM (AOM), OM with effusion (OME), chronic OM (COM), and cholesteatomatous OM (CSOM). Methods. The study involved 2,833 patients who visited five tertiary hospitals between January 2001 and December 2010 and were diagnosed with AOM, OME, COM, or CSOM. The patients were divided into a pediatric group and an adult group, and the distribution of cultured bacteria and their antibiotic sensitivity were compared in the two groups. Results. Bacterial detection rates were higher in adults than in children with OME and COM (P=0.000 each). The majority of the bacteria cultured from patients with AOM and OME bacteria were methicillin-susceptible Staphylococcus au- reus (MSSA) and Streptococcus pneumoniae. Bacteria cultured from children were more susceptible to antibiotics (P=0.002) and had higher antibiotic sensitivity (P=0.001) than were bacteria cultured from adults. The majority of bacteria culture from patients with COM and CSOM were MSSA and pathogenic Pseudomonas aeruginosa. The fre- quency of methicillin-resistant Staphylococcus aureus was significantly higher in adults than in children, and more strains of bacteria isolated from adults were sensitive to the antibiotics septrin, vancomycin, and teicoplanin. Conclusion. Bacteria cultured from children were more susceptible to antibiotics and had higher antibiotic sensitivity than did bacteria cultured from adults.
Abstract
Objectives. Otitis media (OM) is an infectious disease that affects all age brackets. Aural discharge is a typical symptom, oc- curring in all subtypes of OM. We have compared the identity and antibiotic sensitivity of bacteria isolated from au- ral discharges of adults and children with various types of OM, including acute OM (AOM), OM with effusion (OME), chronic OM (COM), and cholesteatomatous OM (CSOM). Methods. The study involved 2,833 patients who visited five tertiary hospitals between January 2001 and December 2010 and were diagnosed with AOM, OME, COM, or CSOM. The patients were divided into a pediatric group and an adult group, and the distribution of cultured bacteria and their antibiotic sensitivity were compared in the two groups. Results. Bacterial detection rates were higher in adults than in children with OME and COM (P=0.000 each). The majority of the bacteria cultured from patients with AOM and OME bacteria were methicillin-susceptible Staphylococcus au- reus (MSSA) and Streptococcus pneumoniae. Bacteria cultured from children were more susceptible to antibiotics (P=0.002) and had higher antibiotic sensitivity (P=0.001) than were bacteria cultured from adults. The majority of bacteria culture from patients with COM and CSOM were MSSA and pathogenic Pseudomonas aeruginosa. The fre- quency of methicillin-resistant Staphylococcus aureus was significantly higher in adults than in children, and more strains of bacteria isolated from adults were sensitive to the antibiotics septrin, vancomycin, and teicoplanin. Conclusion. Bacteria cultured from children were more susceptible to antibiotics and had higher antibiotic sensitivity than did bacteria cultured from adults.
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