ANTIMICROBIAL SUSCEPTIBILITIES OF ENTEROCOCCI ISOLATED FROM HOSPITALIZED-PATIENTS

One hundred and one isolates of Enterococcus species isolated recently from hospitalized patients were evaluated in vitro for antibiotic sus ceptibility. Teicoplanin and mideplanin were the most active agents, f ollowed by ramoplanin, vancomycin, ciprofloxacin, ampicillin, and imip enem. High-level resistance to gentamicin (MIC > 500 mug/ml) and/or st reptomycin (MIC > 2,000 mug/ml) was found in 60 isolates. High-level r esistance to ampicillin (MIC greater-than-or-equal-to 16 mug/ml) was f ound in 17 isolates. MBC studies revealed that ramoplanin possesses si gnificant bactericidal activity.