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In a retrospective cohort study, 88,605 patients in the Veterans Administration system who were hospitalized with pneumonia were examined. Thirty-eight percent received empiric anti-methicillin-resistant Staphylococcus aureus (MRSA) treatment. Empiric anti-MRSA treatment was not associated with a reduction in mortality in any subgroup of patients studied and appeared to cause harm in many patients.
Financial Disclosure: Peer Reviewer Patrick Joseph, MD, is a consultant for Genomic Health Reference Laboratory, Siemens Clinical Laboratory, and CareDx Clinical Laboratory. Infectious Disease Alert’s Editor Stan Deresinski, MD, FACP, FIDSA, Updates Author Carol A. Kemper, MD, FACP, Peer Reviewer Kiran Gajurel, MD, Executive Editor Shelly Morrow Mark, Editor Jason Schneider, and Editorial Group Manager Leslie Coplin report no financial relationships to this field of study.