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Antimicrobial Agents and Chemotherapy, April 2001, p. 1287-1291, Vol. 45, No. 4
0066-4804/01/$04.00+0   DOI: 10.1128/AAC.45.4.1287-1291.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.

In Vitro and In Vivo Activities of Amikacin, Cefepime, Amikacin plus Cefepime, and Imipenem against an SHV-5 Extended-Spectrum beta -Lactamase-Producing Klebsiella pneumoniae Strain†

Dóra Szabó,1,* András Máthé,1 Zsolt Filetóth,2 Piroska Anderlik,1 László Rókusz,3 and Ferenc Rozgonyi1

Institute of Medical Microbiology, Semmelweis University,1 Clinical Epidemiology Unit of the National Institute of Traumatology,2 and Department of Infectology, Central Military Hospital,3 Budapest, Hungary

Received 7 April 2000/Returned for modification 16 November 2000/Accepted 17 January 2001

The in vitro and in vivo effectiveness of amikacin, cefepime, and imipenem was studied using a high inoculum of an extended-spectrum beta -lactamase-producing Klebsiella pneumoniae strain. An in vitro susceptibility test at the standard inoculum predicted the in vivo outcome of amikacin or imipenem while it did not do so for cefepime due to the inoculum effect.


* Corresponding author. Mailing address: Institute of Medical Microbiology, Semmelweis University Budapest, P.O. Box 370, H-1445 Budapest, Hungary. Phone and fax: 36-1210-29-59. E-mail: szabdor{at}net.sote.hu.

dagger This study was part of the 10th accredited Ph.D. program at Semmelweis University, Budapest, Hungary.


Antimicrobial Agents and Chemotherapy, April 2001, p. 1287-1291, Vol. 45, No. 4
0066-4804/01/$04.00+0   DOI: 10.1128/AAC.45.4.1287-1291.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.



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