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Journal of Clinical Microbiology, February 1998, p. 592-594, Vol. 36, No. 2
Erasmus University Medical Center
Rotterdam1 and
St. Clara
Hospital,2 Rotterdam, The Netherlands
Received 21 August 1997/Returned for modification 10 October
1997/Accepted 13 November 1997
A collection of genetically unrelated vancomycin-resistant
enterococci (VRE) including 50 vanA, 15 vanB,
50 vanC1, and 30 vanC2 VRE were used to
evaluate the accuracy of eight currently available susceptibility test
methods (agar dilution, disk diffusion, E-test, agar screen plate,
Vitek GPS-TA and GPS-101, and MicroScan overnight and rapid panels).
vanA VRE were detected by all methods. vanB VRE
were often not detected by Vitek GPS-TA and MicroScan rapid
(sensitivities, 47 and 53%, respectively), though the new Vitek
GPS-101 was found to be a significant improvement. E-test and the agar
screen were the only two methods detecting all VRE, including the
vanC1/C2 VRE.
0095-1137/98/$04.00+0
Copyright © 1998, American Society for Microbiology. All rights reserved.
Comparison of Eight Methods To Detect Vancomycin
Resistance in Enterococci
*
Corresponding author. Mailing address: Department of
Medical Microbiology & Infectious Diseases, Erasmus University Medical Center Rotterdam, Dr. Molewaterplein 40, 3015 GD Rotterdam,
The Netherlands. Phone: (31)10 4635820. Fax: (31)10 4633875. E-mail: ENDTZ{at}BACL.AZR.NL.
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