Vancomycin (VAN) Combinations with Β-Lactams (BLs) against Methicillin-Resistant Staphylococcus aureus (MRSA), Heterogeneous Intermediate-Level Resistance to Vancomycin (hVISA) and Vancomycin-Intermediate Staphylococcus aureus (VISA)
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Prevalence of Vancomycin Resistance in Methicillin-Resistant Staphylococcus Aureus
Background & Aims: Staphylococcus aureus is one of the most common pathogens in nosocomial infections. Vancomycin is the most important therapeutic drug of choice for treatment of infections caused by methicillin-resistant Staphylococcus aureus (MRSA) strains. Therefore, vancomycin-resistant Staphylococcus aureus (VRSA) or vancomycin-intermediate Staphylococcus aureus (VISA) strains are warning...
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Oritavancin possesses activity against vancomycin-resistant enterococci (VRE) and methicillin-resistantStaphylococcus aureus(MRSA).In vitrodata suggest synergy between beta-lactams (BLs) and vancomycin or daptomycin, agents similar to oritavancin. We evaluated the activities of BLs combined with oritavancin against MRSA and VRE. Oritavancin MICs were determined for 30 strains, 5 each of MRSA, d...
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OBJECTIVES Our goal was to compare the activities of lacticin 3147 and nisin, two of the most well characterized lantibiotics, against antibiotic-resistant staphylococci and enterococci. METHODS We determined the MICs of lacticin 3147 and nisin for 20 strains of methicillin-resistant Staphylococcus aureus (MRSA), 20 strains of vancomycin-resistant enterococci (VRE), 6 strains of S. aureus wit...
متن کاملCeftaroline pharmacodynamic activity versus community-associated and healthcare-associated methicillin-resistant Staphylococcus aureus, heteroresistant vancomycin-intermediate S. aureus, vancomycin-intermediate S. aureus and vancomycin-resistant S. aureus using an in vitro model.
BACKGROUND This study assessed the pharmacodynamics of ceftaroline against methicillin-resistant Staphylococcus aureus (MRSA), heteroresistant (h) vancomycin-intermediate S. aureus (hVISA), VISA and vancomycin-resistant S. aureus (VRSA) using an in vitro model. METHODS Two methicillin-susceptible S. aureus (MSSA), one community-associated (CA)-MRSA, one healthcare-associated (HA)-MRSA, one hV...
متن کاملIn vitro activity of ceftaroline against community-associated methicillin-resistant, vancomycin-intermediate, vancomycin-resistant, and daptomycin-nonsusceptible Staphylococcus aureus isolates.
This study assessed the in vitro activities of ceftaroline and five comparator agents against a collection of Staphylococcus aureus isolates. Ceftaroline demonstrated potent activity against community-associated methicillin-resistant S. aureus (CA-MRSA) isolates and showed bactericidal activity against vancomycin-intermediate S. aureus (VISA), vancomycin-resistant S. aureus (VRSA), heteroresist...
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