期刊
ANTIMICROBIAL AGENTS AND CHEMOTHERAPY
卷 65, 期 4, 页码 -出版社
AMER SOC MICROBIOLOGY
DOI: 10.1128/AAC.02317-20
关键词
Enterobacterales; antimicrobial resistance; carbapenemase; meropenem; piperacillin-tazobactam; synergy; time-kill assay
资金
- Intramural Research Program of the NIH Clinical Center
The combination of piperacillin-tazobactam and meropenem showed synergistic effects against KPC and OXA-48 carbapenemase-producing strains, but not against NDM-1-producing isolates.
Synergy between piperacillin-tazobactam and meropenem against KPC-producing Kiebsiella pneumoniae was recently demonstrated. We sought to test the combination against a broader range of serine carbapenemase producers. We tested the combination against 10 KPC-producing Escherichia co/i and 10 OXA-48 family-producing K. pneumoniae isolates. Antibiotic concentrations used are achievable in critically ill patients. The combination was synergistic against 7 of 10 KPC producers and 9 of 10 OXA-48 producers. There was no synergy detected in control isolates producing NDM-1.
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