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Delafloxacin, an alternative treatment for levofloxacin-resistant staphylococci in osteoarticular infections: To use or not to use?

Loïez C, Charlet A, Lemonnier F, Migaud H, Senneville É, Duployez C, Wallet F

Diagnostic microbiology and infectious disease, 2024

Abstract

Susceptibility of delafloxacin on 199 osteoarticular levofloxacin-resistant staphylococci strains was reported in 49% and 1% using SSTI S. aureus breakpoint (0.25 mg/L) and general S. aureus breakpoint (0.016 mg/L) respectively. Fifty percents levofloxacin-resistant staphylococci showed resistance to delafloxacin using CA-SFM/EUCAST recommendations. Microbiological societies should define new breakpoints especially for CoNS.

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