alexa Clinical features associated with bacteremia due to heterogeneous vancomycin-intermediate Staphylococcus aureus.


Clinical Microbiology: Open Access

Author(s): Charles PG, Ward PB, Johnson PD, Howden BP, Grayson ML

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Abstract We assessed all episodes of methicillin-resistant Staphylococcus aureus (MRSA) bacteremia at our hospital during a 12-month period (n=53) and compared those due to heterogeneous vancomycin-intermediate S. aureus (hVISA; n = 5, 9.4\%) with those due to vancomycin-susceptible MRSA (n=48). Patients with hVISA bacteremia were more likely to have high bacterial load infections (P=.001), vancomycin treatment failure (persistent fever and bacteremia for >7 days after the start of therapy; P<.001), and initially low serum vancomycin levels (P=.006). These clinical markers of hVISA bacteremia may help focus diagnostic efforts and treatment. This article was published in Clin Infect Dis and referenced in Clinical Microbiology: Open Access

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