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http://dx.doi.org/10.1016/j.jgar.2016.04.002 | DOI Listing |
Front Microbiol
January 2025
Medical Research Center, Kantonsspital St. Gallen, St. Gallen, Switzerland.
Introduction: The global rise of extended-spectrum beta-lactamase-producing (ESBL-PE) challenges resource-limited countries with insufficient laboratory infrastructure. This study investigates fecal carriage and risk factors for ESBL-PE and carbapenemase-producing organisms among patients with urinary tract infection (UTI) in rural Tanzania.
Methods: This cross-sectional study was conducted at St.
J Microbiol Methods
January 2025
Faculdade de Farmácia, Universidade Federal do Rio Grande Do Sul (UFRGS), Porto Alegre, RS, Brazil; Laboratório de Pesquisa em Resistência Bacteriana (LABRESIS), Centro de Pesquisa Experimental, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, RS, Brazil; Programa de Pós-Graduação em Ciências Farmacêuticas (PPGCF), Faculdade de Farmácia, Universidade Federal do Rio Grande Do Sul (UFRGS), Porto Alegre, RS, Brazil. Electronic address:
Carbapenemase-producing Enterobacterales are a growing concern in public health. In order to rapidly determine the antimicrobial profile, the MALDI Biotyper - antibiotic susceptibility test rapid assay (MBT-ASTRA) was developed, based on the relative growth of bacteria in the presence of antibiotics. In this study, we added carbapenemase enzymatic inhibitors to the MBT-ASTRA and developed an adapted method named MALDI Biotyper - Phenotypic Identification Test Rapid Assay (MBT-PITRA) in order to perform a rapid and cost-effective phenotypic test to detect Klebsiella pneumoniae carbapenemase (KPC) and New Delhi metallo-beta-lactamase (NDM), including co-producers, in Enterobacterales.
View Article and Find Full Text PDFZhonghua Yu Fang Yi Xue Za Zhi
January 2025
Department of Reproductive Medicine, Henan Province Hospital of Traditional Chinese Medicine, Zhengzhou450002, China.
To analyze the epidemiological characteristics of drug resistance genes of carbapenemase-producing Escherichia coli (CPECO) in Henan Province Hospital of Traditional Chinese Medicine from 2021 to 2023, providing data support and theoretical basis for controlling nosocomial infections of CPECO. Using a cross-sectional study, 30 carbapenem-resistant Escherichia coli (CRECO) strains confirmed by VITEK-2 Compact identification and drug sensitivity test in the Clinical Microbiology Laboratory of Henan Province Hospital of Traditional Chinese Medicine from 2021 to 2023 were tested, using carbapenemase inhibitor enhancement test to conduct preliminary screening of carbapenemases, and colloidal gold immunochromatography and polymerase chain reaction (PCR) were used to determine the phenotypes and genotypes of common carbapenemases () respectively, and the genotypes () of common extended Spectrum beta-lactamases (ESBL) were confirmed using PCR. The PCR amplification products of carbapenemase and ESBL positive strains were Sanger-sequenced, and the sequencing products were compared on the Blast website to determine the exact carbapenemase and ESBL genotypes.
View Article and Find Full Text PDFTranspl Infect Dis
January 2025
Australian National Liver Transplant Unit, Royal Prince Alfred Hospital, Sydney, New South Wales, Australia.
Introduction: Carbapenemase-producing Enterobacterales (CPE) are associated with increased morbidity and mortality in liver transplant recipients (LTRs). There is a paucity of data regarding CPE colonization and infection in Australian LTRs.
Methods: A single-center retrospective cohort study of CPE was performed in LTRs from 2015 to 2024.
Microbiol Spectr
January 2025
National Institute for Antibiotic Resistance and Infection Control, Israel Ministry of Health, Tel Aviv, Israel.
Unlabelled: Carbapenem-resistant Enterobacterales (CRE) are divided into two distinct groups: carbapenemase-producing (CPE) and non-carbapenemase-producing (non-CPE). The population of non-CPE growing on CPE selective plates during routine screening is usually not reported and is not well defined. This study aimed to characterize non-CPE isolates growing on those plates.
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