Ciprofloxacin-susceptible but levofloxacin-resistant Pseudomonas aeruginosa clinical strains with Vitek®2: which mechanism involved and consequences in case of fluoroquinolone treatment?

Abstract excerpt

PURPOSE: Pseudomonas aeruginosa clinical strains isolated harbored sometimes an atypical phenotype using the automated Vitek2®: ciprofloxacin-susceptibility but levofloxacin-resistance according to 2019 CA-SFM criteria. The aims of this study are to investigate the resistance mechanism(s) involved and to identify the consequences on fluoroquinolone treatment. METHODS: Strain resistance profile, patient's data...

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