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Journal of Clinical Microbiology, June 2002, p. 2238-2239, Vol. 40, No. 6
0095-1137/02/$04.00+0 DOI: 10.1128/JCM.40.6.2238-2239.2002
Copyright © 2002, American Society for Microbiology. All Rights Reserved.
Comparison of the ESP and BACTEC Systems for Testing Susceptibilities of Mycobacterium tuberculosis Complex Isolates to Pyrazinamide
Vincent J. LaBombardi*
Department of Laboratories, St. Vincent's Hospital Manhattan, New York, and Department of Pathology, New York Medical College, Valhalla, New York
Received 10 January 2002/
Returned for modification 20 February 2002/
Accepted 15 March 2002
Fifty isolates of Mycobacterium tuberculosis complex were tested for susceptibility to pyrazinamide (PZA) by the ESP (Trek Diagnostic Systems, Westlake, Ohio) and BACTEC (BD Biosciences, Sparks, Md.) test systems. Initial results showed concordance for 48 of the isolates. On retest, the two discordant isolates were resolved in favor of the ESP system. The ESP Myco susceptibility test system generates rapid, reliable PZA test results.
* Mailing address: Saint Vincent Catholic Medical Centers, St. Vincent's Hospital Manhattan, 153 W. 11th St., New York, NY 10011. Phone: (212) 604-8415. Fax: (212) 604-8426. E-mail:
VLaBombard{at}saintvincentsnyc.org.
Journal of Clinical Microbiology, June 2002, p. 2238-2239, Vol. 40, No. 6
0095-1137/02/$04.00+0 DOI: 10.1128/JCM.40.6.2238-2239.2002
Copyright © 2002, American Society for Microbiology. All Rights Reserved.
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