Vrsa
Mostrando 1-12 de 15 artigos, teses e dissertações.
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1. Staphylococcus aureus resistentes a meticilina (MRSA) e vancomicina (VRSA) em profissionais da saúde e artigos médicos
RESUMO Introdução: A contaminação cruzada por Staphylococcus aureus entre pacientes, profissionais e materiais de uso médico em unidades de saúde é uma preocupação constante, o que leva pesquisadores a estudar a prevalência desse patógeno em portadores assintomáticos. Objetivos: Investigamos a colonização e o perfil de suscetibilidade aos antim
J. Bras. Patol. Med. Lab.. Publicado em: 2015-06
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2. Susceptibility of staphylococcus aureus isolates to vancomycin at a university hospital in southern Brazil / Suscetibilidade de amostras de Staphylococcus aureus à vancomicina isoladas em um hospital universitário no sul do Brasil
A suscetibilidade in vitro de Staphylococcus aureus à vancomicina foi avaliada em pacientes internados em um Hospital Universitário Brasileiro pelo Etest e por um método de triagem. Nenhuma amostra de S. aureus resistente (VRSA) ou com resistência intermediária (VISA) à vancomicina foi isolada. Três pacientes tiveram amostras heteroresistentes VISA (h
Publicado em: 2010
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3. Staphylococcus aureus: visitando uma cepa de importância hospitalar
O Staphylococcus aureus é uma bactéria do grupo dos cocos gram-positivos que faz parte da microbiota humana, mas que pode provocar doenças que vão desde uma infecção simples, como espinhas e furúnculos, até as mais graves, como pneumonia, meningite, endocardite, síndrome do choque tóxico e septicemia, entre outras. Essa bactéria foi uma das primei
Jornal Brasileiro de Patologia e Medicina Laboratorial. Publicado em: 2007-12
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4. Suscetibilidade de amostras de Staphylococcus aureus à vancomicina isoladas em um hospital universitário no sul do Brasil
A suscetibilidade in vitro de Staphylococcus aureus à vancomicina foi avaliada em pacientes internados em um Hospital Universitário Brasileiro pelo Etest e por um método de triagem. Nenhuma amostra de S. aureus resistente (VRSA) ou com resistência intermediária (VISA) à vancomicina foi isolada. Três pacientes tiveram amostras heteroresistentes VISA (h
Brazilian Journal of Microbiology. Publicado em: 2006-09
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5. Heterologous Expression of the Enterococcal vanA Operon in Methicillin-Resistant Staphylococcus aureus
Two methicillin- and vancomycin-resistant Staphylococcus aureus strains, MI-VRSA and PA-VRSA, and Enterococcus faecalis DMC83006B, considered to be the potential donor of glycopeptide resistance to MI-VRSA, were studied. MI-VRSA is highly resistant to both glycopeptides, whereas PA-VRSA displays low-level resistance to vancomycin and reduced susceptibility t
American Society for Microbiology.
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6. Derivatives of a Vancomycin-Resistant Staphylococcus aureus Strain Isolated at Hershey Medical Center
Antimicrobial susceptibilities and genetic relatedness of the vancomycin-resistant Staphylococcus aureus strain (VRSA) isolated at Hershey, Pa. (VRSA Hershey), and its vancomycin-susceptible and high-level-resistant derivatives were studied and compared to 32 methicillin-resistant S. aureus strains (MRSA) isolated from patients and medical staff in contact w
American Society for Microbiology.
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7. Bactericidal Activities of Daptomycin, Quinupristin-Dalfopristin, and Linezolid against Vancomycin-Resistant Staphylococcus aureus in an In Vitro Pharmacodynamic Model with Simulated Endocardial Vegetations
In search of treatment alternatives against vancomycin-resistant S. aureus (VRSA), an in vitro pharmacodynamic model with simulated endocardial vegetations incorporating protein and a high inoculum was used to simulate daptomycin, linezolid, quinupristin-dalfopristin, and vancomycin against the Michigan VRSA strain. Daptomycin and quinupristin-dalfopristin e
American Society for Microbiology.
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8. VanA-Type Vancomycin-Resistant Staphylococcus aureus▿
Since 2002, nine methicillin (meticillin)-resistant Staphylococcus aureus (MRSA) strains that are also resistant to vancomycin (VRSA) have been reported in the United States, including seven clinical isolates from Michigan. The strains harbor a plasmid-borne Tn1546 element following conjugation from a glycopeptide-resistant Enterococcus strain. In the second
American Society for Microbiology (ASM).
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9. Comparison of Tn1546-Like Elements in Vancomycin-Resistant Staphylococcus aureus Isolates from Michigan and Pennsylvania
In 2002, the first two clinical isolates of vancomycin-resistant Staphylococcus aureus (VRSA) containing vanA were recovered in Michigan and Pennsylvania. Tn1546, a mobile genetic element that encodes high-level vancomycin resistance in enterococci, was present in both isolates. With PCR and DNA sequence analysis, we compared the Tn1546 elements from each is
American Society for Microbiology.
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10. Cell Wall Thickening Is a Common Feature of Vancomycin Resistance in Staphylococcus aureus
We have previously shown that a thickened cell wall is responsible for the vancomycin resistance of vancomycin-resistant Staphylococcus aureus (VRSA) (equivalent to vancomycin-intermediate S. aureus and glycopeptide-intermediate S. aureus) strain Mu50 (L. Cui, H. Murakami, K. Kuwahara-Arai, H. Hanaki, and K. Hiramatsu, Antimicrob. Agents Chemother. 44:2276-2
American Society for Microbiology.
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11. Vancomycin-Resistant Staphylococcus aureus Isolate from a Patient in Pennsylvania
A vancomycin-resistant Staphylococcus aureus (VRSA) isolate was obtained from a patient in Pennsylvania in September 2002. Species identification was confirmed by standard biochemical tests and analysis of 16S ribosomal DNA, gyrA, and gyrB sequences; all of the results were consistent with the S. aureus identification. The MICs of a variety of antimicrobial
American Society for Microbiology.
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12. Pulsed-Field Gel Electrophoresis Typing of Oxacillin-Resistant Staphylococcus aureus Isolates from the United States: Establishing a National Database
Oxacillin-resistant Staphylococcus aureus (ORSA) is a virulent pathogen responsible for both health care-associated and community onset disease. We used SmaI-digested genomic DNA separated by pulsed-field gel electrophoresis (PFGE) to characterize 957 S. aureus isolates and establish a database of PFGE patterns. In addition to PFGE patterns of U.S. strains,
American Society for Microbiology.