European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology · 2021
Comparative activity of newer β-lactam/β-lactamase inhibitor combinations against Pseudomonas aeruginosa from patients hospitalized with pneumonia in European medical centers in 2020.
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Sader Helio S, Carvalhaes Cecilia G, Shortridge Dee, Castanheira Mariana
Аннотация
Pseudomonas aeruginosa isolates were consecutively collected from patients with pneumonia in 29 medical centers in 2020 and susceptibility tested by broth microdilution method. Ceftazidime-avibactam (95.5% susceptible), imipenem-relebactam (94.3% susceptible), and ceftolozane-tazobactam (93.3% susceptible) were the most active compounds after colistin (99.5% susceptible). Susceptibility rates for the β-lactam/β-lactamase inhibitor combinations (BL/BLIs) varied against isolates resistant to piperacillin-tazobactam, meropenem, imipenem, and/or ceftazidime. Ceftazidime-avibactam was the most active BL/BLI against resistant subsets from Western Europe, whereas imipenem-relebactam was slightly more active than other BL/BLIs against resistant subsets from Eastern Europe. Susceptibility rates were markedly lower in Eastern Europe than Western Europe.