Performance of MicroScan WalkAway and Vitek 2 for Detection of Oxacillin Resistance in a Set of Methicillin-Resistant Staphylococcus aureus Isolates with Diverse Genetic Backgrounds

Of 104 genotypically diverse methicillin-resistant Staphylococcus aureus (MRSA) isolates tested with the MicroScan WalkAway (Pos MIC 24 panel) and Vitek 2 (AST-P549 card) systems, 7 and 6 isolates, respectively, showed an oxacillin MIC of [less-than or equal to]2mg/liter. Most of these MRSA isolates...

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Veröffentlicht in:	Journal of Clinical Microbiology 2009-08, Vol.47 (8), p.2623-2625
Hauptverfasser:	Kaase, Martin, Baars, Barbara, Friedrich, Susanne, Szabados, Florian, Gatermann, S.G
Format:	Artikel
Sprache:	eng
Schlagworte:	Anti-Bacterial Agents - pharmacology Bacterial Typing Techniques Bacteriology Biological and medical sciences Community-Acquired Infections - microbiology Diagnostic Errors DNA Fingerprinting Drug Resistance, Bacterial Electrophoresis, Gel, Pulsed-Field Fundamental and applied biological sciences. Psychology Genetic Variation Genotype Humans Methicillin-Resistant Staphylococcus aureus - classification Methicillin-Resistant Staphylococcus aureus - drug effects Methicillin-Resistant Staphylococcus aureus - genetics Methicillin-Resistant Staphylococcus aureus - isolation & purification Microbial Sensitivity Tests - methods Microbiology Miscellaneous Oxacillin - pharmacology Sensitivity and Specificity Staphylococcal Infections - microbiology Staphylococcus aureus
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Zusammenfassung:	Of 104 genotypically diverse methicillin-resistant Staphylococcus aureus (MRSA) isolates tested with the MicroScan WalkAway (Pos MIC 24 panel) and Vitek 2 (AST-P549 card) systems, 7 and 6 isolates, respectively, showed an oxacillin MIC of [less-than or equal to]2mg/liter. Most of these MRSA isolates were community acquired. However, if the cefoxitin screen of AST-P549 was also considered, MRSA detection failed for only one isolate.
ISSN:	0095-1137 1098-660X
DOI:	10.1128/JCM.02112-08