heterogeneous vancomycin-intermediate S. aureus
Vancomycin Susceptibility Trends and Prevalence of Heterogeneous Vancomycin Intermediate Staphylococcus aureus in Clinical Methicillin Resistant S aureus Isolates
... Staphylococcus aureus (MRSA) infections and widespread use of vanco- mycin, MRSA isolates with reduced susceptibility to vancomycin are emerging ...of heterogeneous ...
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Clinical and Laboratory Characteristics of Invasive Infections Due to Methicillin Resistant Staphylococcus aureus Isolates Demonstrating a Vancomycin MIC of 2 Micrograms per Milliliter: Lack of Effect of Heteroresistant Vancomycin Intermediate S aureus Phenotype
... with vancomycin MICs of 2 g/ml are more likely than MRSA with vancomycin MICs of ⱕ 1 g/ml to represent a heterogeneous population that may include sub- populations with intermediate ...
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Detection of Staphylococcus aureus Isolates with Heterogeneous Intermediate Level Resistance to Vancomycin in the United States
... of S. aureus characterized in this study: Joseph Schwartzman, Dartmouth- Hitchcock Medical Center, Lebanon, NH; Andrew Onderdonk, Brigham and Women’s Hospital, Boston, MA; Laura Ovittore, Dan- bury, ...
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Heteroresistant vancomycin-intermediate <em>Staphylococcus aureus</em> (hVISA) in prosthetic joint infections: a case series and review
... had heterogeneous popula- tions of 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 ...
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Evaluation of a New Etest Vancomycin Teicoplanin Strip for Detection of Glycopeptide Intermediate Staphylococcus aureus (GISA), in Particular, Heterogeneous GISA
... ⫹ S) were examined using the standard inoculum of ...⫹ S read after 18 to 24 h of incubation, if positive for hGISA/GISA, can be reported as such, although negative results should be con- firmed after 48 h ...
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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 ...of ...
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Characterization of heterogeneous vancomycin intermediate resistance, MIC and accessory gene regulator (agr) dysfunction among clinical bloodstream isolates of staphyloccocus aureus
... The detection of hVISA among 220 isolates was com- pleted by using the Etest Macro Method as a prelimin- ary screen as previously described [7,15]. Overnight growth cultures of the 220 clinical isolates and a control ...
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Prevalence, Molecular Epidemiology, and Clinical Significance of Heterogeneous Glycopeptide Intermediate Staphylococcus aureus in Liver Transplant Recipients
... Staphylococcus aureus (GISA) strain was found in Japan in 1997 ...which vancomycin and teicoplanin MICs are ⬎4 and ⬍32 mg/liter, are usually isolated from patients who have severe underlying illnesses and ...
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Evolution of a Vancomycin Intermediate Staphylococcus aureus Strain In Vivo: Multiple Changes in the Antibiotic Resistance Phenotypes of a Single Lineage of Methicillin Resistant S aureus under the Impact of Antibiotics Administered for Chemotherapy
... and vancomycin susceptibilities as a function of the chronological date of isolation of JH ...showed heterogeneous oxacillin resistance phenotypes when tested for population analysis profiles ...
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Relationship between day 1 and day 2 Vancomycin area under the curve values and emergence of heterogeneous Vancomycin intermediate Staphylococcus aureus (hVISA) by Etest® macromethod among patients with MRSA bloodstream infections: a pilot study
... The study methods are comparable to our recently published study [7]. Isolates were identified as S. aureus according to standard methods. Initial susceptibility test- ing for oxacillin resistance was ...
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The Presence of Heterogeneous Vancomycin Intermediate Staphylococcus aureus (heteroVISA) in a Major Malaysian Hospital
... HeteroVISA screening with Etest GRD was carried out following the manufacturer’s instructions (bioMérieux). An overnight culture was inoculated into Mueller-Hinton broth to achieve a bacterial suspension corresponding to ...
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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 ...nor S. aureus ATCC ...
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Accuracy of Commercial and Reference Susceptibility Testing Methods for Detecting Vancomycin Intermediate Staphylococcus aureus
... for intermediate, and ⱖ 32 g/ml to ⱖ 16 g/ml for resistant ...The vancomycin breakpoints for coagulase- negative staphylococci were not ...the S. aureus intermediate breakpoint to 4 ...
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PubMedCentral-PMC5075054.pdf
... Teixobactin-induced lysis is enabled by inhibition of cell wall teichoic acid biosynthesis. The localization of Atl at the sep- tum to mediate cell division has been proposed to occur via exclu- sion from the rest of the ...
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Asymptomatic colonization of Staphylococcus aureus with intermediate resistance to vancomycin harboring vanB resistance gene
... respectively). Vancomycin MICs for the isolated strains ranged from 4 to 8 ...on vancomycin at the time of ...of vancomycin in our region at certain time might enhanced the presence of such ...
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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
... Results: Of the 4679 consecutive patients, 195 cases and 924 controls were detected. The median monthly incidence and duration of intestinal co-colonization with VRE and MRSA were 2.3/1000 patient-days and 7 days, ...
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Bacteremia and Infective Endocarditis Caused by a Non Daptomycin Susceptible, Vancomycin Intermediate, and Methicillin Resistant Staphylococcus aureus Strain in Taiwan
... (6). S. aureus ATCC 29213 was used as a quality control strain in each ...run. S. aureus Mu3 and Mu50 strains were used in comparison with our VISA ...for S. aureus ATCC 29213 ...
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Comparative Genomics of Vancomycin Resistant Staphylococcus aureus Strains and Their Positions within the Clade Most Commonly Associated with Methicillin Resistant S aureus Hospital Acquired Infection in the United States
... FIG 4 Restriction systems and dprA in VRSA. (A) (1) Alignment of inferred primary translation products of genes encoding the Sau1 restriction nuclease subunit (HsdR) compared to the CC5 strain originating in Japan, ...
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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 ...all S. aureus clinical ...and ...
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Antibiotic Management of Staphylococcus aureus Infections in US Children's Hospitals, 1999–2008
... lated vancomycin use in our study; although percentage use was un- changed over time, DOTs per 1000 patient-days increased ...that vancomycin is the empiric antibiotic of choice for patients with suspected ...
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