Frequency of Susceptibility Testing for Patients with Persistent Methicillin-Resistant Staphylococcus aureus Bacteremia |
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| Authors: | Carmen L Giltner Theodoros Kelesidis Janet A Hindler April M Bobenchik Romney M Humphries |
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| Institution: | aDavid Geffen School of Medicine, Department of Pathology and Laboratory Medicine, University of California, Los Angeles, California, USA;bDepartment of Internal Medicine, University of California, Los Angeles, California, USA |
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| Abstract: | Currently, no standards exist for determining the optimal frequency of repeat antimicrobial susceptibility testing (AST) when an organism is recurrently isolated from the same specimen source. Although testing every 2 to 5 days is thought sufficient, we present three cases of methicillin-resistant Staphylococcus aureus (MRSA) bacteremia where current laboratory protocol for repeating AST every 5 days was inadequate to identify resistant organisms. |
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