PMID: 9192248Apr 1, 1997Paper

Comparative studies on activities of antimicrobial agents against causative organisms isolated from patients with urinary tract infections (1995). III. Differences in susceptibilities from previous years

The Japanese journal of antibiotics
Yoshiaki KumamotoChikako Mochida

Abstract

Susceptibilities to various antimicrobial agents were examined for Enterococcus faecalis, Staphylococcus aureus, Escherichia coli, Klebsiella spp. and Pseudomonas aeruginosa that were isolated from patients with urinary tract infections (UTIs) in 11 hospitals during June, 1995 through May, 1996, and the results were compared with those obtained during the same period in earlier years. 1. Macrolide resistant E. faecalis isolated from uncomplicated UTIs during the latest study period appeared to have increased compared to those in previous study periods. More than 50% of the isolated E. faecalis during the latest study period were resistant to macrolide antibiotics, for the first time in our history. 2. No obvious changes were observed through the years for susceptibilities of S. aureus to various antimicrobial agents. Vancomycin (VCM) showed the highest activity against S. aureus, with MICs below 2 micrograms/ml or below. 3. Among E. coli strains, those with low susceptibilities to quinolones appeared to have increased over the years with MIC90 changed from between 0.125 microgram/ml or below and 0.5 microgram/ml in the 1989-1990 period to between 8 micrograms/ml and 128 micrograms/ml in the latest study period. 4. Klebsiella sp...Continue Reading

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