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| http://dx.doi.org/10.1016/s0140-6736(80)92122-4 | DOI Listing |
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Carbon dioxide-dependent, extended-spectrum β-lactamase producing Escherichia coli bacteremia associated with pyelonephritis: A case-report.
J Infect Chemother
February 2025
Department of Infectious Diseases, The University of Tokyo Hospital, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan; Department of Infection Control and Prevention, The University of Tokyo Hospital, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan.
Escherichia coli is a facultative anaerobic bacterium that causes urinary tract and bloodstream infections. Generally, E. coli is easily identified in routine clinical microbiology laboratories.
View Article and Find Full Text PDFPre-engraftment bacteremia after allogeneic hematopoietic cell transplantation without primary fluoroquinolone antibacterial prophylaxis.
Transpl Infect Dis
December 2024
Division of Infectious Diseases, Geneva University Hospitals, Geneva, Switzerland.
Background: Bacteremia is a common complication in allogeneic hematopoietic cell transplant recipients (alloHCTr), especially during the pre-engraftment period. International guidelines recommend antibacterial prophylaxis (ABP), despite potential selection for multidrug-resistant organisms (MDRO). Limited contemporary data exist on the epidemiology of pre-engraftment bacteremia in alloHCTr, who do not receive ABP.
View Article and Find Full Text PDFMicrobiological etiology and current resistance patterns in acute calculous cholecystitis.
Cir Esp (Engl Ed)
July 2024
Servicio de Cirugía General, Hospital del Mar. Instituto Hospital del Mar de Investigaciones Médicas (IMIM), Barcelona, Spain; Departamento de Cirugía, Universidad Autónoma de Barcelona, Barcelona, Spain.
Introduction: The current treatment for acute calculous cholecystitis (ACC) is early laparoscopic cholecystectomy, in association with appropriate empiric antibiotic therapy. In our country, the evolution of the prevalence of the germs involved and their resistance patterns have been scarcely described. The aim of the study was to analyze the bacterial etiology and the antibiotic resistance patterns in ACC.
View Article and Find Full Text PDFPerturbation and resilience of the gut microbiome up to 3 months after β-lactams exposure in healthy volunteers suggest an important role of microbial β-lactamases.
Microbiome
March 2024
Université Paris Cité, IAME, INSERM, Paris, F-75018, France.
Background: Antibiotics notoriously perturb the gut microbiota. We treated healthy volunteers either with cefotaxime or ceftriaxone for 3 days, and collected in each subject 12 faecal samples up to day 90. Using untargeted and targeted phenotypic and genotypic approaches, we studied the changes in the bacterial, phage and fungal components of the microbiota as well as the metabolome and the β-lactamase activity of the stools.
View Article and Find Full Text PDFIdentification of cfxA gene variants and susceptibility patterns in β-lactamase-producing Prevotella strains.
Anaerobe
February 2023
United Graduate School of Drug Discovery and Medical Information Sciences, Gifu University, Gifu City, Gifu, Japan; Institute for Glyco-core Research iGCORE, Gifu University, Gifu City, Gifu, Japan; Division of Anaerobe Research, Life Science Research Center, Gifu University, Gifu City, Gifu, Japan. Electronic address:
Objectives: Antimicrobial-resistant isolates of Prevotella species, especially those resistant to β-lactams, have become increasingly common. Here, we aimed to elucidate the underlying mechanisms contributing to the emergence and spread of antimicrobial resistance in Prevotella species.
Methods: Prevotella species were isolated from a variety of clinical specimens.
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