Abstract
A novel commercial chromogenic technique, the βLACTA test (Bio-Rad, Marnes-la-Coquette, France), was evaluated to detect nonsusceptibility to ceftazidime in Pseudomonas aeruginosa isolates. Easily implemented in the routine microbiology laboratory, this rapid test was sensitive (95%) and specific (87%) and presented negative and positive predictive values of 99% and 100%, respectively.
Publication types
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Evaluation Study
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Research Support, Non-U.S. Gov't
MeSH terms
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Anti-Bacterial Agents / metabolism
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Anti-Bacterial Agents / pharmacology*
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Bacteriological Techniques / methods*
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Ceftazidime / metabolism
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Ceftazidime / pharmacology*
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Chromogenic Compounds / metabolism*
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Colorimetry / methods
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France
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Humans
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Pseudomonas Infections / microbiology
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Pseudomonas aeruginosa / drug effects*
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Pseudomonas aeruginosa / enzymology
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Pseudomonas aeruginosa / isolation & purification
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Sensitivity and Specificity
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beta-Lactam Resistance*
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beta-Lactamases / analysis*
Substances
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Anti-Bacterial Agents
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Chromogenic Compounds
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Ceftazidime
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beta-Lactamases