The Clinical and Laboratory Standards Institute (CLSI) broth microdilution method was used to evaluate the in vitro activities of plazomicin and comparator antimicrobial agents against 7,712 Gram-negative and 4,481 Gram-positive… Click to show full abstract
The Clinical and Laboratory Standards Institute (CLSI) broth microdilution method was used to evaluate the in vitro activities of plazomicin and comparator antimicrobial agents against 7,712 Gram-negative and 4,481 Gram-positive bacterial pathogens obtained from 2013 to 2017 from patients in Canadian hospitals as part of the CANWARD Surveillance Study. Plazomicin demonstrated potent in vitro activity against Enterobacteriaceae (MIC90 ≤ 1 µg/ml for all species tested except Proteus mirabilis and Morganella morganii), including aminoglycoside-nonsusceptible, extended-spectrum β-lactamase (ESBL)-positive, and multidrug-resistant (MDR) isolates. ABSTRACT The Clinical and Laboratory Standards Institute (CLSI) broth microdilution method was used to evaluate the in vitro activities of plazomicin and comparator antimicrobial agents against 7,712 Gram-negative and 4,481 Gram-positive bacterial pathogens obtained from 2013 to 2017 from patients in Canadian hospitals as part of the CANWARD Surveillance Study. Plazomicin demonstrated potent in vitro activity against Enterobacteriaceae (MIC90 ≤ 1 µg/ml for all species tested except Proteus mirabilis and Morganella morganii), including aminoglycoside-nonsusceptible, extended-spectrum β-lactamase (ESBL)-positive, and multidrug-resistant (MDR) isolates. Plazomicin was equally active against methicillin-susceptible and methicillin-resistant isolates of Staphylococcus aureus.
               
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