Identification of Escherichia coli, Klebsiella pneumoniae, and Pseudomonas aeruginosa in Blood Cultures: a Multicenter Performance Evaluation of a Three-Color Peptide Nucleic Acid Fluorescence In Situ Hybridization Assay

被引:18
作者
Della-Latta, Phyllis [2 ]
Salimnia, Hossein [3 ,4 ]
Painter, Theresa [3 ]
Wu, Fann [2 ]
Procop, Gary W. [5 ]
Wilson, Deborah A. [5 ]
Gillespie, Wendy [6 ]
Mender, Alayna [1 ]
Crystal, Benjamin S. [1 ]
机构
[1] AdvanDx Inc, Woburn, MA 01801 USA
[2] Columbia Univ, Med Ctr, NewYork Presbyterian Hosp, New York, NY USA
[3] Detroit Med Ctr, Detroit, MI USA
[4] Wayne State Univ, Sch Med, Detroit, MI USA
[5] Cleveland Clin, Cleveland, OH 44106 USA
[6] Lahey Clin Fdn, Burlington, MA USA
关键词
GRAM-NEGATIVE BACILLI; ANTIMICROBIAL THERAPY; CANDIDA-ALBICANS; RISK-FACTORS; MORTALITY; IMPACT;
D O I
10.1128/JCM.02250-10
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
A multicenter evaluation was undertaken to evaluate the performance of a new three-color peptide nucleic acid fluorescence in situ hybridization assay that identifies isolates directly from blood cultures positive for Gram-negative bacilli (GNB). The assay correctly identified 100% (186/186) of the Escherichia coli isolates, 99.1% (109/110) of the Klebsiella pneumoniae isolates, and 95.8% (46/48) of the Pseudomonas aeruginosa isolates in this study. Negative assay results were correctly obtained for 162 of 165 other GNB (specificity, 98.2%).
引用
收藏
页码:2259 / 2261
页数:3
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