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Williams MC, Dominguez SR, Prinzi A, Lee K, Parker SK. Reliability of mecA in Predicting Phenotypic Susceptibilities of Coagulase-Negative Staphylococci and Staphylococcus aureus. Open Forum Infect Dis 2020; 7:ofaa553. [PMID: 33409329 PMCID: PMC7759207 DOI: 10.1093/ofid/ofaa553] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 12/10/2020] [Indexed: 12/29/2022] Open
Abstract
The mecA gene is commonly used to identify resistance in Staphylococcus aureus, but historically is not used for coagulase-negative staphylococci (CoNS). Analysis of 412 staphylococcal blood cultures (2014–2018) revealed that the absence of mecA had high concordance (100%) with oxacillin susceptibility for S. aureus and CoNS alike.
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Affiliation(s)
- Manon C Williams
- Section of Pediatric Infectious Diseases, Children's Hospital Colorado and the University of Colorado School of Medicine, Aurora, Colorado, USA
| | - Samuel R Dominguez
- Section of Pediatric Infectious Diseases, Children's Hospital Colorado and the University of Colorado School of Medicine, Aurora, Colorado, USA.,Department of Pathology and Laboratory Medicine, Children's Hospital Colorado, Aurora, Colorado, USA.,Department of Infection Control and Epidemiology, Children's Hospital Colorado, Aurora, Colorado, USA
| | - Andrea Prinzi
- Department of Pathology and Laboratory Medicine, Children's Hospital Colorado, Aurora, Colorado, USA.,Clinical Science, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Kayla Lee
- Department of Pathology and Laboratory Medicine, Children's Hospital Colorado, Aurora, Colorado, USA
| | - Sarah K Parker
- Section of Pediatric Infectious Diseases, Children's Hospital Colorado and the University of Colorado School of Medicine, Aurora, Colorado, USA.,Department of Infection Control and Epidemiology, Children's Hospital Colorado, Aurora, Colorado, USA
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