Frequency of blaKHM-1, blaIMP-1,2 and blaSPM-1 genes in clinical isolates of metallo β-lactamase producing Pseudomonas aeruginosa in hospitalized burned patients in Ghotbeddin Shirazi Hospital

S Rostam Pour; AA Gorzin; Gh Motamedi

Journal of Inflammatory Diseases

The Official Journal of Qazvin University of Medical Sciences

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Frequency of blaKHM-1, blaIMP-1,2 and blaSPM-1 genes in clinical isolates of metallo β-lactamase producing Pseudomonas aeruginosa in hospitalized burned patients in Ghotbeddin Shirazi Hospital

Author(s):

S Rostam Pour¹,

AA Gorzin^,*,

Gh Motamedi²

1Islamic Azad University

2Razi Serum and Vaccine Institute

Journal of Inflammatory Diseases:Vol. 19, issue 2; 21-29

Published online:Jul 22, 2015

Article type:Research Article

How to Cite:Rostam Pour S, Gorzin A, Motamedi G. Frequency of blaKHM-1, blaIMP-1,2 and blaSPM-1 genes in clinical isolates of metallo β-lactamase producing Pseudomonas aeruginosa in hospitalized burned patients in Ghotbeddin Shirazi Hospital. J Inflamm Dis. 2024;19(2):e155896. doi:

Abstract

Background: Metallo-β-lactamase (MBL) producing Pseudomonas aeruginosa is an important gram negative opportunistic bacterium in hospitals which its increasing number is of clinicians’ concerns. Objective: The aim of this study was to evaluate the frequency of blaIMP-1, blaIMP-2, blaSPM-1 and blaKHM-1 genes in clinical isolates of MBL producing Pseudomonas aeruginosa in hospitalized burned patients in Ghotbeddin Shirazi Center. Methods: This cross-sectional study was conducted in 210 burn wound samples from 2012 to 2013. Sensitivity of confirmed Pseudomonas aeruginosa was examined for standard antimicrobial agents using disk diffusion method. Detection of MBL producing isolates was performed by the double disk synergy test (DDST) and the desired genes were detected by PCR. Data were analyzed using Chi-square test. Findings: By the phenotypic methods, 42 isolates (20%) were identified as Pseudomonas aeruginosa that were resistant to the most studied antibiotics including Carbapenem (100%) and were only sensitive to Colicitin (100%). 26 isolates (61.9%) were identified as MBL producing Pseudomonas aeruginosa. 9 isolates (34.61%) carried the blaIMP-2 and blaKHM-1 genes. The blaIMP-1 and blaSPM-1 genes were not found in any of the isolates. Conclusion: With regards to the results, it is suggested to periodically study the reasons for antibiotic resistance in each center. Citation: RostamPour S, Gorzin AA, Motamedi Gh. Frequency of blaKHM-1, blaIMP-1,2 and blaSPM-1 genes in clinical isolates of metallo β-lactamase producing Pseudomonas aeruginosa in hospitalized burned patients in Ghotbeddin Shirazi Hospital. J Qazvin Univ Med Sci. 2015 19 (2): 21-29

Keywords

Pseudomonas aeruginosa

Beta-lactamase IMP-1

Burns

Hospitals

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Author(s):

S Rostam Pour:[PubMed][Scholar]
AA Gorzin:[PubMed][Scholar]
Gh Motamedi:[PubMed][Scholar]

The Official Journal of Qazvin University of Medical Sciences

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Frequency of blaKHM-1, blaIMP-1,2 and blaSPM-1 genes in clinical isolates of metallo β-lactamase producing Pseudomonas aeruginosa in hospitalized burned patients in Ghotbeddin Shirazi Hospital

Abstract

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