Molecular Diagnostic of Drug Resistant Klebsiella Pneumoniae Isolates Containing SHV, PER and VEB Genes in Samples Collected from Patients in Tehran

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Kohanrooz Bijarpas zahra; ZAKERBOSTANABADI SAEID; TAFVIZI FARZANEH

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Journal: IRANIAN JOURNAL OF MEDICAL MICROBIOLOGY Year:2019 | Volume:12 | Issue:5 Page(s): 363-370

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Title

Molecular Diagnostic of Drug Resistant Klebsiella Pneumoniae Isolates Containing SHV, PER and VEB Genes in Samples Collected from Patients in Tehran

Author(s)

Kohanrooz Bijarpas zahra | ZAKERBOSTANABADI SAEID | TAFVIZI FARZANEH | Issue Writer Certificate

Keywords

Klebsiella pneumoniaQ2

Extended-spectrum beta-lactamaseQ1

bla SHVQ1

bla PER and bla VEB genesQ1

Abstract

Background and Aims: Extended-spectrum beta-lactamase of SHV, PER and VEB types are considered as important and widely increasing resistance mechanisms to beta-lactamases in gram-negative pathogens. Also K. pneumonia species are able to produce Extended-spectrum beta-lactamase (ESBLs). The aim of this study was to detect the prevalence of SHV, PER and VEB genes in ESBLs producing Klebsiella pneumoniae isolates which were collected from patients of different regions of Tehran city between January 2017 to January 2018 using PCR method. Materials and Methods: In this analytical-descriptive study, antibacterial susceptibility of 176 K. pneumonia isolates were defined to Cefepime, Ampicillin, Gentamicin, Cefalotine, Ceftazidime, Ciprofloxacin, Imipenem, Cefotaxime and Nitrofurantoin using disk diffusion method. In addition, confirmatory test for detecting ESBLs phenotypes was performed using Cefotaxime-Clavulanic acid combination disk. The presence of SHV, PER and VEB genes were assessed using PCR. Results and Conclusion: Confirmatory phenotypic test showed that 56. 81% of the isolates were ESBL positive. The prevalence of SHV, PER and VEB genes in K. pneumonia isolates was 34%, 13% and 17% respectively. In this study, the most resistance rate was observed to ampicillin (89%) and the lowest resistance rate was observed to imipenem (7%). High frequency of SHV, PER and VEB genes in ESBL producing isolates, indicates that these enzymes play important roles in resistance to beta lactam containing anti biotics. Therefore, proper infection control tools and appropriate therapeutic approaches in different parts of the hospitals are necessary to prevent their spread.

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APA: Copy

Kohanrooz Bijarpas, zahra, ZAKERBOSTANABADI, SAEID, & TAFVIZI, FARZANEH. (2019). Molecular Diagnostic of Drug Resistant Klebsiella Pneumoniae Isolates Containing SHV, PER and VEB Genes in Samples Collected from Patients in Tehran. IRANIAN JOURNAL OF MEDICAL MICROBIOLOGY, 12(5 ), 363-370. SID. https://sid.ir/paper/132572/en

Vancouver: Copy

Kohanrooz Bijarpas zahra, ZAKERBOSTANABADI SAEID, TAFVIZI FARZANEH. Molecular Diagnostic of Drug Resistant Klebsiella Pneumoniae Isolates Containing SHV, PER and VEB Genes in Samples Collected from Patients in Tehran. IRANIAN JOURNAL OF MEDICAL MICROBIOLOGY[Internet]. 2019;12(5 ):363-370. Available from: https://sid.ir/paper/132572/en

IEEE: Copy

zahra Kohanrooz Bijarpas, SAEID ZAKERBOSTANABADI, and FARZANEH TAFVIZI, “Molecular Diagnostic of Drug Resistant Klebsiella Pneumoniae Isolates Containing SHV, PER and VEB Genes in Samples Collected from Patients in Tehran,” IRANIAN JOURNAL OF MEDICAL MICROBIOLOGY, vol. 12, no. 5 , pp. 363–370, 2019, [Online]. Available: https://sid.ir/paper/132572/en

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