1060. Impact of Laboratory Cessation of Extended-Spectrum β-Lactamase (ESBL) Reporting on Minimum Inhibitory Concentration (MIC) Distribution Trends and Associated Clinical Outcomes
Abstract:BackgroundThe Clinical and Laboratory Standards Institute (CLSI) lowered the minimum inhibitory concentration (MIC) breakpoints of various β-lactam antimicrobials eliminating the need for confirmatory testing of extended-spectrum β-lactamase (ESBL) organisms. Our institution adopted the new CLSI breakpoints in June 2015. This multi-site study assessed the impact of laboratory cessation of ESBL reporting on the MIC distribution of commonly used antimicrobials and clinical outcomes.MethodsThis retrospective stud… Show more
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