The Prevalence of CTX-M Beta-Lactamase Gene in Urinary Tract Infections in patients referring to Bonab city Hospitals
سال انتشار: 1398
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 169
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شناسه ملی سند علمی:
JR_IJMM-13-4_007
تاریخ نمایه سازی: 10 اسفند 1399
چکیده مقاله:
Background: Urinary Tract Infection (UTI) is one of the most common bacterial infections, and several studies have reported the prevalence of UTI caused by ESBL-producing E.coli strains in different cities of Iran. The aim of this study was to evaluate antibiotic resistant UTI factors in outpatients and determine the prevalence of ctx-m gene in ESBL-producing E. coli strains of Bonab (East Azerbaijan, Iran).
Materials & Methods: In 2015, 266 clinical isolates of E. coli were collected from clinical laboratories in Bonab. Phenotypic screening and confirmation tests for extended-spectrum beta-lactamases (ESBLs) were carried out using disk diffusion (Kirby Bauer) method. All of the ESBL producing isolates were tested by PCR using specific primers. A total of 10 PCR products were randomly selected and purified and subsequently sent for sequencing.
Results & Discussion: The maximum resistance was seen regarding ampicillin (67.3 %) and the maximum sensitivity was seen regarding imipenem (92.5%). In this study, 45 % of isolates were multidrug resistance, which showed at least resistance for three antibiotics. Out of 154 isolates, 58 (37.7%) isolates were ESBL producers which 94.8% of isolates contained ctx-m gene. The prevalence of the ctx-m gene, as in other parts of Iran and the world, is high in Bonab. For the treatment of infections suspected to be an ESBL producer, appropriate antibiotics should be selected, and strains that have decreased their sensitivity to ceftazidime, cefotaxime, and cefetoxin should be considered for ESBL genes.
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نویسندگان
Reza Mohammadzadeh
Department of Biology, Faculty of Basic Sciences, University of Marahgheh, Maragheh, Iran
Ali Mohammadi-Gollou
Department of Biology, Faculty of Basic Sciences, University of Marahgheh, Maragheh, Iran
Yaser Salehabadi
Department of Toxicology and Pharmacology, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran
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