Chromogenic methicillin-resistant Staphylococcus aureus media: Notice of two types of false positive morphologies
Article
Nwose, Ezekiel, Veneris, Koula, Pearce, Marlene, Jha, Gangesh, Murphy, Joanne and Robb, David. 2008. "Chromogenic methicillin-resistant Staphylococcus aureus media: Notice of two types of false positive morphologies." Australian Journal of Medical Science. 29 (2), pp. 50-53.
Article Title | Chromogenic methicillin-resistant Staphylococcus aureus media: Notice of two types of false positive morphologies |
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ERA Journal ID | 15768 |
Article Category | Article |
Authors | Nwose, Ezekiel, Veneris, Koula, Pearce, Marlene, Jha, Gangesh, Murphy, Joanne and Robb, David |
Journal Title | Australian Journal of Medical Science |
Journal Citation | 29 (2), pp. 50-53 |
Number of Pages | 4 |
Year | 2008 |
Publisher | Australian Institute of Medical Scientists |
Place of Publication | Australia |
ISSN | 1038-1643 |
Web Address (URL) | https://search.informit.org/doi/10.3316/informit.169665557300200 |
Abstract | Forty chromogenic MRSA plates, 20 from bioMerieux (MRSA ID) and 20 from Oxoid (Chromogenic agar), were evaluated with 37 surveillance specimens. Positive chromogenic cultures were tested to confirm MRSA using coagulase production, DNAse and cefoxitin susceptibility. The media of both companies were 100% sensitive to MRSA. The MRSA ID and the Oxoid Chromogenic agar presented false positives of 12% and 21% respectively. Two types of false positive chromogenic morphologies were observed. The advantage of using chromogenic MRSA media is the reduction of suspect colonies that have to be investigated, which effectively reduces labour and of work up time. However, in order to avoid reporting false positives, suspected positives should be confirmed using other methods. |
Keywords | Chromogenic media; alse positive; MRSA |
Contains Sensitive Content | Does not contain sensitive content |
ANZSRC Field of Research 2020 | 420605. Preventative health care |
Public Notes | Files associated with this item cannot be displayed due to copyright restrictions. |
Byline Affiliations | South West Pathology Service, Australia |
Charles Sturt University |
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