December 2014—Elevated vancomycin minimum inhibitory concentrations do not increase the risk of death in patients with Staphylococcus aureus bacteremia, according to the findings of a comprehensive meta-analysis published in the Oct. 9 issue of JAMA. Despite widespread speculation about rising vancomycin resistance, or “MIC creep,” the authors find little evidence to challenge the current CLSI susceptibility breakpoint of ≤ 2 µg/mL for vancomycin.
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