Multidrug-resistant Klebsiella pneumoniae in hospital-acquired infections: Concomitant analysis of antimicrobial resistant strains. 2020

Rasha M M Khairy, and Mahmoud Shokry Mahmoud, and Raghda Raouf Shady, and Mona Abdel Monem Esmail
Department of Microbiology and Immunology, Faculty of Medicine, Minia University, Minia, Egypt.

BACKGROUND Hospital-acquired infections caused by K pneumoniae are difficult to eradicate since K pneumoniae carries resistance genes for many antimicrobials, including carbapenems. The study aimed to determine the prevalence of hospital-acquired infections caused by multiple drug-resistant K pneumoniae and identify carbapenem and fluoroquinolone resistance by phenotypic and genotypic methods amongst hospitalised patients. METHODS Two hundred and fifty samples from patients with hospital-acquired infections were included. Identification and susceptibility testing for K pneumoniae isolates was performed by standard methods. The detection of carbapenemase resistance (blaKPC , blaVIM-1 and blaOXA-48 ) and plasmid-mediated quinolone resistance (PMQR; qnrA, qnrB and qnrS) genes was performed using PCR assay. RESULTS Out of 250 samples, 42 (16.8%) were multiple drug-resistant K pneumoniae, and the frequency of K Pneumoniae isolation was higher in urine samples, in the age group (<10 years), in ICU and in patients with longer hospital stay. Twenty-four (57%) of the isolates were resistant to Meropenem, 13 (31%) were resistant to Imipenem and 35 (83.3%) were resistant to Ciprofloxacin. blaOXA-48 gene was detected in 9 (21.4%) of isolates, and blaVIM-1 gene was detected in 6 (14.3%) of isolates. However, no isolate harboured blaKPC gene. PMQR genes were detected in 100% of ciprofloxacin resistant isolates, and qnrS was the dominant. CONCLUSIONS Multidrug-resistant K pneumoniae isolates harbouring blaOXA-48, blaVIM-1 and PMQR genes are emerging in hospitals particularly with long hospital stays.

UI MeSH Term Description Entries
D007710 Klebsiella Infections Infections with bacteria of the genus KLEBSIELLA. Infections, Klebsiella,Infection, Klebsiella,Klebsiella Infection
D007711 Klebsiella pneumoniae Gram-negative, non-motile, capsulated, gas-producing rods found widely in nature and associated with urinary and respiratory infections in humans. Bacillus pneumoniae,Bacterium pneumoniae crouposae,Hyalococcus pneumoniae,Klebsiella pneumoniae aerogenes,Klebsiella rhinoscleromatis
D007902 Length of Stay The period of confinement of a patient to a hospital or other health facility. Hospital Stay,Hospital Stays,Stay Length,Stay Lengths,Stay, Hospital,Stays, Hospital
D008297 Male Males
D008826 Microbial Sensitivity Tests Any tests that demonstrate the relative efficacy of different chemotherapeutic agents against specific microorganisms (i.e., bacteria, fungi, viruses). Bacterial Sensitivity Tests,Drug Sensitivity Assay, Microbial,Minimum Inhibitory Concentration,Antibacterial Susceptibility Breakpoint Determination,Antibiogram,Antimicrobial Susceptibility Breakpoint Determination,Bacterial Sensitivity Test,Breakpoint Determination, Antibacterial Susceptibility,Breakpoint Determination, Antimicrobial Susceptibility,Fungal Drug Sensitivity Tests,Fungus Drug Sensitivity Tests,Sensitivity Test, Bacterial,Sensitivity Tests, Bacterial,Test, Bacterial Sensitivity,Tests, Bacterial Sensitivity,Viral Drug Sensitivity Tests,Virus Drug Sensitivity Tests,Antibiograms,Concentration, Minimum Inhibitory,Concentrations, Minimum Inhibitory,Inhibitory Concentration, Minimum,Inhibitory Concentrations, Minimum,Microbial Sensitivity Test,Minimum Inhibitory Concentrations,Sensitivity Test, Microbial,Sensitivity Tests, Microbial,Test, Microbial Sensitivity,Tests, Microbial Sensitivity
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D010641 Phenotype The outward appearance of the individual. It is the product of interactions between genes, and between the GENOTYPE and the environment. Phenotypes
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D002939 Ciprofloxacin A broad-spectrum antimicrobial carboxyfluoroquinoline. Bay-09867,Ciprinol,Cipro,Ciprofloxacin Hydrochloride,Ciprofloxacin Hydrochloride Anhydrous,Ciprofloxacin Monohydrochloride Monohydrate,Anhydrous, Ciprofloxacin Hydrochloride,Bay 09867,Bay09867,Hydrochloride Anhydrous, Ciprofloxacin,Hydrochloride, Ciprofloxacin,Monohydrate, Ciprofloxacin Monohydrochloride,Monohydrochloride Monohydrate, Ciprofloxacin
D003428 Cross Infection Any infection which a patient contracts in a health-care institution. Hospital Infections,Nosocomial Infections,Health Care Associated Infection,Health Care Associated Infections,Healthcare Associated Infections,Infection, Cross,Infections, Hospital,Infections, Nosocomial,Cross Infections,Healthcare Associated Infection,Hospital Infection,Infection, Healthcare Associated,Infection, Hospital,Infection, Nosocomial,Infections, Cross,Infections, Healthcare Associated,Nosocomial Infection

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