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Antimicrobial Agents and Chemotherapy, November 2008, p. 4187-4190, Vol. 52, No. 11
0066-4804/08/$08.00+0     doi:10.1128/AAC.00367-08
Copyright © 2008, American Society for Microbiology. All Rights Reserved.

Prospective Study of Fecal Colonization by Extended-Spectrum-β-Lactamase-Producing Escherichia coli in Neutropenic Patients with Cancer{triangledown}

L. Calatayud,1,2* M. Arnan,3 J. Liñares,1,2 M. A. Dominguez,1 C. Gudiol,4 J. Carratalà,4 M. Batlle,5 J. M. Ribera,5 and F. Gudiol4

Microbiology Department, Hospital Universitari de Bellvitge, University of Barcelona, IDIBELL, Barcelona,1 Ciber de Enfermedades Respiratorias, ISCIII, Madrid,2 Hematology Department, Hospital Duran y Reynals, Barcelona,3 Infectious Diseases Department, Hospital Universitari de Bellvitge, University of Barcelona, IDIBELL, Barcelona,4 Hematology Department, Hospital Germans Trias i Pujol, Badalona, Barcelona, Spain5

Received 17 March 2008/ Returned for modification 9 April 2008/ Accepted 10 September 2008

Fecal colonization by extended-spectrum-β-lactamase-producing Escherichia coli in 912 stool samples collected from 154 neutropenic patients with cancer, hospitalized at two teaching institutions, was prospectively studied. Forty-nine (31.8%) patients were colonized, 22 of them at hospital admission. Most strains were clonally unrelated and carried a CTX-M-9 group enzyme.

* Corresponding author. Mailing address: Department of Microbiology, Hospital Universitari de Bellvitge, 08907 L'Hospitalet de Llobregat, Barcelona, Spain. Phone: 34-932607930. Fax: 34-932607547. E-mail: lcalatayud{at}csub.scs.es

{triangledown} Published ahead of print on 22 September 2008.

Antimicrobial Agents and Chemotherapy, November 2008, p. 4187-4190, Vol. 52, No. 11
0066-4804/08/$08.00+0     doi:10.1128/AAC.00367-08
Copyright © 2008, American Society for Microbiology. All Rights Reserved.





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