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Investigation of Class I, Ii, and Iii Integrons Among Acinetobacter Baumannii Isolates From Hospitalized Patients in Isfahan, Iran Publisher



Halaji M1 ; Rezaei A1 ; Zalipoor M1 ; Faghri J1
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Authors Affiliations
  1. 1. Department of Microbiology, School of medicine, Isfahan University of Medical Sciences, Isfahan, Iran

Source: Oman Medical Journal Published:2018


Abstract

Objectives: This study aimed to determine the prevalence of class I, II, and III integrons among clinical Acinetobacter baumannii isolates collected from hospitalized patients. Methods: This cross-sectional study was conducted at two teaching hospitals in Isfahan, Iran, from October 2015 to October 2016. A total of 147 non-duplicate A. baumannii isolates were collected from clinical specimens and identified as A. baumannii using standard microbiological methods and confirmed by genotyping. Antimicrobial susceptibility was determined using disc diffusion method, and the presence of integron genes was performed using the polymerase chain reaction. Results: Out of 147 confirmed A. baumannii isolates, 97.3% of isolates were extensive drug-resistant (XDR) and 2.7% were multidrug-resistant (MDR). Class I and II integrons were detected in 63.9% and 78.2% of the A. baumannii, respectively. Class III integron was not detected in any of the isolates. Conclusion: Our results show a high prevalence of classes I and II integrons which may play a key role in the acquisition of MDR and XDR phenotype among A. baumannii isolates in our region. Therefore, use of appropriate infection control in clinical settings and implementation of treatment strategies is necessary for our hospitals. © 2018, Oman Medical Specialty Board. All rights reserved.
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