| Literature DB >> 31932381 |
M Biagi1, A Shajee1, A Vialichka2, M Jurkovic2, X Tan2, E Wenzler3.
Abstract
The Serratia marcescens enzyme (SME) is a chromosomally encoded carbapenemase with no known optimal treatment. Various β-lactam/β-lactamase inhibitors and comparators were evaluated against 8 SME producers via broth microdilution. Four isolates were subsequently tested via time-kill analyses. All isolates were resistant to imipenem, imipenem-relebactam, and meropenem but susceptible to ceftazidime, ceftazidime-avibactam, and meropenem-vaborbactam. Ceftazidime, imipenem-relebactam, and meropenem-vaborbactam were bactericidal against 3, 0, and 4 isolates, respectively. Meropenem-vaborbactam may be a potential option for severe SME-producing infections.Entities:
Keywords: SME; Serratia marcescens; carbapenem-resistant Enterobacteriaceae; imipenem-relebactam; meropenem-vaborbactam
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Year: 2020 PMID: 31932381 PMCID: PMC7179323 DOI: 10.1128/AAC.02255-19
Source DB: PubMed Journal: Antimicrob Agents Chemother ISSN: 0066-4804 Impact factor: 5.191