• Burns · Mar 2016

    Comparison of multiple-locus variable-number tandem-repeat analysis with pulsed-field gel electrophoresis typing of carbapenemases producing Acinetobacter baumannii isolated from burn patients.

    • Leila Azimi, Malihe Talebi, Farzaneh Khodaei, and Mohammad Najafi.
    • Pediatric Infectious Research Center, Mofid Children Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
    • Burns. 2016 Mar 1; 42 (2): 441-5.

    BackgroundAcinetobacter baumannii is one of the important causes of nosocomial infection especially in burn patients. So, carbapenemase producing strains can make serious therapeutic problems. Molecular epidemiology studies play key role in decreasing the incidence of carbapenemase producing strains.MethodsIn this study, 50 carbapenem resistant A. baumannii isolates from burn patients were collected. Antibiotic susceptibility testing and PCR assay was performed for detection of blaVIM, blaIMP, blaOXA-23,blaOXA-48,blaNDM-1, blaSPM-1, blaOxa-51 and blaKPC genes. Molecular typing for carbapenemase producing strains were performed by PFGE and MLVA.ResultsAccording to the results of antibiotic susceptibility tests all of strains were XDR and 46 (92%) harbored carbapenemase genes. PFGE and MLVA results showed the presence of 11 and 5 dominant clonal types respectively.ConclusionThe results of this study were showed the presence of certain clonal groups in two different wards of hospital indicating the spread of carbapenemase producing A. baumannii. On the other hand, the results showed the more discriminating power for PFGE.Copyright © 2015 Elsevier Ltd and ISBI. All rights reserved.

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