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Journal of Clinical Microbiology, November 2005, p. 5796-5799, Vol. 43, No. 11
0095-1137/05/$08.00+0     doi:10.1128/JCM.43.11.5796-5799.2005
Copyright © 2005, American Society for Microbiology. All Rights Reserved.

Epidemiology and Molecular Analysis of Intestinal Colonization by Vancomycin-Resistant Enterococci in Greek Hospitals

Achilleas Gikas,1* Athanasia Christidou,1 Efstathia Scoulica,1 Paulos Nikolaidis,3 Athanasios Skoutelis,2 Stamatina Levidiotou,4 Sofia Kartali,5 Efstratios Maltezos,5 Simeon Metalidis,3 John Kioumis,6 George Haliotis,7 Sofia Dima,8 Maria Roumbelaki,1 Nikoleta Papageorgiou,1 Evangelos I. Kritsotakis,1 and Yannis Tselentis1

Department of Clinical Bacteriology, Parasitology, Zoonosis and Geographical Medicine, University Hospital of Heraklion, Crete, Greece,1 Department of Infectious Diseases, University Hospital of Patras, Patras, Greece,2 Department of Internal Medicine, "AHEPA" General Hospital, Thessaloniki, Greece,3 Department of Microbiology-Infectious Diseases, University Hospital of Ioannina, Ioannina, Greece,4 Department of Microbiology-Infectious Diseases, University Hospital of Alexandroupolis, Alexandroupolis, Greece,5 Department of Intensive Care Unit, "Papanikolaou" General Hospital, Thessaloniki, Greece,6 Department of Internal Medicine, General Hospital of Chalkis, Euboea, Greece,7 Patient Care Area of Internal Medicine, General Hospital of Chania, Chania, Greece8

Received 3 June 2005/ Returned for modification 20 July 2005/ Accepted 5 August 2005

From 1,246 specimens collected from 13 Greek hospitals, 266 vancomycin-resistant enterococci strains were isolated from 255 patients (20.5%). The VanA phenotype was present in 82 (30.8%) strains, the VanB phenotype in 17 (6.4%) strains, the VanC1 phenotype in 152 (57.1%) strains, and the VanC2/C3 phenotypes in 15 (5.6%) strains. When only VanA and VanB phenotypes were considered, the overall prevalence was 7.5%. Eighty-six isolates exhibiting the VanA or VanB phenotype were analyzed by pulsed-field gel electrophoresis (PFGE), and 46 PFGE groups were found.


* Corresponding author. Mailing address: University Hospital of Heraklion-1352/71110, Crete, Greece. Phone: 00.30.2810.375050. Fax: 00.30.2810.392847. E-mail: gikas{at}med.uoc.gr.


Journal of Clinical Microbiology, November 2005, p. 5796-5799, Vol. 43, No. 11
0095-1137/05/$08.00+0     doi:10.1128/JCM.43.11.5796-5799.2005
Copyright © 2005, American Society for Microbiology. All Rights Reserved.




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