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Journal of Clinical Microbiology, July 2001, p. 2660-2662, Vol. 39, No. 7
Department of Medical Microbiology and
Infectious Diseases, Erasmus University Medical Center
Rotterdam,1 and Department of Medical
Microbiology, St. Franciscus Gasthuis,2
Rotterdam, The Netherlands
Received 4 January 2001/Returned for modification 20 March
2001/Accepted 18 April 2001
We tested a phenyl mannitol broth containing ceftizoxime and
aztreonam (PHMB+) for detection of methicillin-resistant
Staphylococcus aureus (MRSA) with reference MRSA strains
and, subsequently, with clinical samples (n = 1,098).
All reference MRSA strains induced color change in PHMB+
after 24 to 72 h of incubation. In a clinical setting, 40 MRSA strains were detected with PHMB+, compared with only 23 detected with a routine method. Thus, this selective broth
significantly (P < 0.001) improved the rate of MRSA detection.
0095-1137/01/$04.00+0 DOI: 10.1128/JCM.39.7.2660-2662.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.
Improved Detection of Methicillin-Resistant
Staphylococcus aureus Using Phenyl Mannitol Broth
Containing Aztreonam and Ceftizoxime
*
Corresponding author. Mailing address: Department of
Medical Microbiology and Infectious Diseases, Academic Hospital
Rotterdam, Dr Molewaterplein 40, 3015 GD Rotterdam, The Netherlands.
Phone: 31.10.4633510. Fax: 31.10.4633875. E-mail:
wertheim{at}bacl.azr.nl.
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