Abstract
A chromogenic medium for identification of vancomycin-resistant Enterococcus faecalis and Enterococcus faecium, VRESelect, was compared to bile esculin azide agar with 6 μg/ml vancomycin (BEAV) for the isolation of vancomycin-resistant enterococci (VRE) from stool specimens. At 24 to 28 h, VRESelect demonstrated 98.7% (confidence interval [CI], 96.1 to 99.7%) sensitivity and 99.0% (CI, 98.0 to 99.6%) specificity versus 85.1% (CI, 79.8 to 89.5%) and 90.1% (CI, 79.8 to 89.5%) sensitivity and specificity, respectively, for BEAV.
MeSH terms
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Agar
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Bacteriological Techniques / methods*
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Chromogenic Compounds
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Culture Media / chemistry*
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Enterococcus faecalis / drug effects
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Enterococcus faecalis / isolation & purification*
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Enterococcus faecium / drug effects
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Enterococcus faecium / isolation & purification*
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Feces / microbiology
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Gram-Positive Bacterial Infections / diagnosis*
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Gram-Positive Bacterial Infections / microbiology
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Humans
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Prospective Studies
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Sensitivity and Specificity
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Time Factors
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Vancomycin Resistance*
Substances
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Chromogenic Compounds
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Culture Media
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Agar