Report of Questionnaire Survey for Methicillin-Resistant Staphylococcus aureus and Penicillin-Resistant Streptococcus Pneumoniae in the Kinki District

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Abstract
In the Kinki District (Hyogo area, Osaka City area, Osaka Outskirts area, Nara area and Wakayama area), a questionnaire survey of 30 institutions was conducted for methicillin-resistant Staphylococcus aureus (MRSA) and penicillin-resistant Streptococcus pneumoniae (PRSP). Median number of their bed was 500 ranging 0 to 1076, 3239 (56%) of the 5815 strains of S. aureus were methicillin-resistant. Although no different prevalence was found among the areas, they were predominantly isolated from sputum of inpatients more than from outpatients, 336 (44%) of the 763 strains of S. pneumoniae were penicillin-resistant. The prevalence rate was the highest in the outpatients in Osaka outskirts. Almost all strains of MRSA were sensitive to vancomycin (VCM) and sulfamethoxazole trimethoprim (ST). Resistant strains were observed in 2% against arbekacin, 6% against amikacin, 44% against minocycline (MINO), and in 54% against gentamicin (GM). Almost all strains of PRSP were sensitive to VCM and ST. Resistant strains were observed in 75% against erythromycin, 50% against MINO, and 75% against GM. This survey identified the trend of hospital infection for MRSA and community infection for PRSP, and sensitive drugs for the treatment.

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