Colistin resistance superimposed to endemic carbapenem-resistant Klebsiella pneumoniae: a rapidly evolving problem in Italy, November 2013 to April 2014

Author:

Monaco M.12,Giani T23,Raffone M41,Arena F3,Garcia-Fernandez A1,Pollini S3,Network EuSCAPE-Italy collective5,Grundmann H6,Pantosti A1,Rossolini G M783

Affiliation:

1. Department of Infectious, Parasitic and Immune-mediated Diseases, Istituto Superiore di Sanità, Rome, Italy

2. MM and TG have equally contributed to this work

3. Department of Medical Biotechnologies, University of Siena, Siena, Italy

4. Federico II University Hospital, Neaples, Italy

5. The network EuSCAPE-Italy participants are listed at the end of this article

6. Department of Medical Microbiology, University of Groningen, University Medical Center Groningen, the Netherlands

7. Clinical Microbiology and Virology Unit, Florence Careggi University Hospital, Florence, Italy

8. Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy

Abstract

Consecutive non-replicate clinical isolates (n=191) of carbapenem non-susceptible Enterobacteriaceae were collected from 21 hospital laboratories across Italy from November 2013 to April 2014 as part of the European Survey on Carbapenemase-producing Enterobacteriaceae (EuSCAPE) project. Klebsiella pneumoniae carbapenemase-producing K. pneumoniae (KPC-KP) represented 178 (93%) isolates with 76 (43%) respectively resistant to colistin, a key drug for treating carbapenamase-producing Enterobacteriaceae. KPC-KP colistin-resistant isolates were detected in all participating laboratories. This underscores a concerning evolution of colistin resistance in a setting of high KPC-KP endemicity.

Publisher

European Centre for Disease Control and Prevention (ECDC)

Subject

Virology,Public Health, Environmental and Occupational Health,Epidemiology

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