Vancomycin intermediate Staphylococcus aureus
Performance of Various Testing Methodologies for Detection of Heteroresistant Vancomycin Intermediate Staphylococcus aureus in Bloodstream Isolates
... heteroresistant vancomycin-intermediate Staphylococcus aureus (hVISA) remains ...S. aureus (MRSA) bloodstream isolates to determine the most accurate and cost-effective testing strategy ...
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The Presence of Heterogeneous Vancomycin Intermediate Staphylococcus aureus (heteroVISA) in a Major Malaysian Hospital
... heterogenous vancomycin-intermediate Staphylococcus aureus (heteroVISA) among MRSA isolates in a major ...with vancomycin MIC 2 µg/ml collected in 2009 was screened for heteroVISA using ...
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Accuracy of Commercial and Reference Susceptibility Testing Methods for Detecting Vancomycin Intermediate Staphylococcus aureus
... When the MIC results for a large number of organisms are close to the susceptible or intermediate breakpoint, as is true in this study, it is possible to have excellent essential agreement but relatively poor ...
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The First Vancomycin Intermediate Staphylococcus aureus Strains Isolated from Patients in Thailand
... the vancomycin susceptibility profiles of MRSA clinical strains in hospitals where MRSA is isolated at high frequencies and where relatively generous use of vanco- mycin is ...to vancomycin among patients ...
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Vancomycin Susceptibility Trends and Prevalence of Heterogeneous Vancomycin Intermediate Staphylococcus aureus in Clinical Methicillin Resistant S aureus Isolates
... vated vancomycin MICs in MRSA may partly be due to failure of epidemiologically typing the MRSA ...elevated vancomycin MICs, which may cause false per- ceptions of an overall reduction in vancomycin ...
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Bacteremia and Infective Endocarditis Caused by a Non Daptomycin Susceptible, Vancomycin Intermediate, and Methicillin Resistant Staphylococcus aureus Strain in Taiwan
... S. aureus ATCC 29213 was used as a quality control strain in each ...S. aureus Mu3 and Mu50 strains were used in comparison with our VISA ...S. aureus ATCC 29213 were within CLSI control ranges ...
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Novel single-nucleotide variations associated with vancomycin resistance in vancomycin-intermediate <em>Staphylococcus aureus</em>
... Prolonged vancomycin usage may cause methicillin-resistant Staphylococcus aureus to become vancomycin-intermediate ...S. aureus (VISA) and heterogeneous VISA (hVISA). Mechanisms ...
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Detection of Staphylococcus aureus Isolates with Heterogeneous Intermediate Level Resistance to Vancomycin in the United States
... Global variation in hVISA prevalence is likely, but interpre- tation of published data is difficult due to variation in study design (i.e., selection of isolates tested and lab methodologies) (9). The higher prevalence ...
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Asymptomatic colonization of Staphylococcus aureus with intermediate resistance to vancomycin harboring vanB resistance gene
... sequestering vancomycin molecules in the cell wall peptidoglycan, thus reducing the susceptibility of ...S. aureus to vancomycin ...of vancomycin diffusion decreases ...in ...
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Mechanisms of vancomycin resistance in Staphylococcus aureus
... a vancomycin MIC value of ...the vancomycin MIC value increased to ...the vancomycin MIC value reached 8 ...and intermediate isolates by PCR sequencing ...in vancomycin MIC value ...
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Determining the clinical significance of co-colonization of vancomycin-resistant enterococci and methicillin-resistant Staphylococcus aureus in the intestinal tracts of patients in intensive care units: a case–control study
... infection, vancomycin has been regarded as the stand- ard option for initial treatment of MRSA infections for more than half a ...of vancomycin since the mid-1980s resulted in the emer- gence of MRSA with ...
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Frequency of Reduced Vancomycin Susceptibility among Clinical Staphylococcus aureus Isolated in Ahvaz Iran
... Staphylococcus aureus is the most clinically significant species which is responsible for a number of infections ...S. aureus (MRSA) has been raised in the past two decades ...of vancomycin as ...
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A Study on Methicillin and Vancomycin resistant Staphylococcus aureus from tertiary care hospitals, in Vidharbha region, India
... G, Staphylococcus aureus (MRSA) was first detected approximately 40 years ago and is still among the top three clinically important pathogens (Stewart et al, ...glycopeptides vancomycin was ...
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Heteroresistant vancomycin-intermediate <em>Staphylococcus aureus</em> (hVISA) in prosthetic joint infections: a case series and review
... S. aureus, but Case 3 also had MSSA isolated from deep ...on vancomycin, whereas the known colonizer, MRSA, was not found at that ...that vancomycin has been shown to be inferior to β -lactams when ...
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In vitro selection of Staphylococcus aureus mutants resistant to tigecycline with intermediate susceptibility to vancomycin
... To date, naturally occurring S. aureus isolates with reduced susceptibility to tigecycline (MICs of 1–2 µg/ mL) have been isolated from clinical specimens [5, 6]. However, the high MIC values (16 µg/mL) of these ...
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Urinary tract infection by coagulase negative staphylococci and staphylococcus aureus with special reference to mrsa
... Isolated Staphylococcus strains were identified with Matrix assisted laser desorption ionization time of flight mass spectrometry (MALDI-TOF MS) to confirm the ...of Staphylococcus aureus which were ...
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Heterogeneous vancomycin-intermediate susceptibility in a community-associated methicillin-resistant Staphylococcus aureus epidemic clone, in a case of Infective Endocarditis in Argentina
... of vancomycin at a frequency of ...S2). Vancomycin MICs by broth-dilution; agar- dilution and E-test were determined for these derivatives and all were between 4 and 8 μ ...S. aureus ATCC 29213 grew ...
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VANCOMYCIN INTERMEDIATE AND VANCOMYCIN RESISTANT STAPHYLOCOCCUS AUREUS – MECHANISMS, CLINICAL SIGNIFICANCE AND DETECTION
... with vancomycin MIC of 8 mg/l thereby giving world the first published case of VISA in 1997 ...S. aureus with reduced susceptibility to vancomycin was reported from several parts of the world ...
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Relationship between Vancomycin Resistant Staphylococcus aureus, Vancomycin Intermediate S aureus, High Vancomycin MIC, and Outcome in Serious S aureus Infections
... of vancomycin hetero- resistance is dependent on many factors such as the laboratory workload, number of specimens, capacity to perform more-de- tailed tests, and ...S. aureus clinical ...and ...
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Antibacterial and antibiofilm activities of quercetin against clinical isolates of Staphyloccocus aureus and Staphylococcus saprophyticus with resistance profile
... Staphyloccocus aureus and Staphylococcus saprophyticus with resistance ...S. aureus (MSSA) (MIC = 250 µg/ml), methicillin-resistant S. aureus (MRSA) (MIC = 500 µg/ml), vancomycin- ...
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