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Antimicrobial Agents and Chemotherapy, June 2007, p. 2001-2004, Vol. 51, No. 6
0066-4804/07/$08.00+0     doi:10.1128/AAC.00226-07
Copyright © 2007, American Society for Microbiology. All Rights Reserved.

Dissemination of Acinetobacter baumannii Clones with OXA-23 Carbapenemase in Colombian Hospitals{triangledown}

Maria Virginia Villegas,1 Juan Nicolas Kattan,1 Adriana Correa,1 Karen Lolans,2,3 Ana Maria Guzman,1 Neil Woodford,4 David Livermore,4 John P. Quinn,2,3,5* and the Colombian Nosocomial Bacterial Resistance Study Group

International Center for Medical Research and Training (CIDEIM), Cali, Colombia,1 John Stroger Hospital, Chicago, Illinois,2 Chicago Infectious Disease Research Institute, Chicago, Illinois,3 Antibiotic Resistance Monitoring and Reference Laboratory (ARMRL), Health Protection Agency Centre for Infections, London, United Kingdom,4 Rush University Medical Center, Chicago, Illinois5

Received 25 January 2007/ Returned for modification 7 March 2007/ Accepted 23 March 2007

During 2005, 66 carbapenem-resistant isolates of Acinetobacter baumannii were collected from seven tertiary-care hospitals participating in a nationwide surveillance network in Colombia. The isolates were multidrug resistant and produced the carbapenemases OXA-23 and OXA-51. Forty-five belonged to four clones while 21 were unique pulsotypes. One clone was present in two hospitals within one city, while another had spread between two hospitals in different cities. Blood, secretions, and abdominal fluids were the most frequent sites of isolation. This is the first description of widespread dissemination of OXA-23 in South America.

* Corresponding author. Mailing address: John Stroger Hospital, 1900 W. Polk, Rm. 1236, Chicago, IL 60612. Phone: (312) 864-4874. Fax: (312) 864-9522. E-mail: ESBLman{at}yahoo.com

{triangledown} Published ahead of print on 2 April 2007.

Antimicrobial Agents and Chemotherapy, June 2007, p. 2001-2004, Vol. 51, No. 6
0066-4804/07/$08.00+0     doi:10.1128/AAC.00226-07
Copyright © 2007, American Society for Microbiology. All Rights Reserved.



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  • Peleg, A. Y., Seifert, H., Paterson, D. L. (2008). Acinetobacter baumannii: Emergence of a Successful Pathogen. Clin. Microbiol. Rev. 21: 538-582 [Abstract] [Full Text]  
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