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Major Systemic Lupus Erythematosus Exacerbation after Severe Clostridium Difficile Infection: A Case Report.
Mediterr J Rheumatol
December 2024
First Department of Internal Medicine.
Introduction: Systemic lupus erythematosus (SLE) is a multisystem autoimmune disease presenting with remission and flares. Relapses may be triggered by various factors, with infections being one of the most common. The following case is the first clostridium difficile infection (CDI)-induced SLE flare that resulted in involvement of organs not previously affected in patient's history before, such as lupus nephritis.
View Article and Find Full Text PDFImproved Clinical Outcomes with Appropriate Meropenem De-escalation in Patients with Febrile Neutropenia.
J Glob Infect Dis
December 2024
Department of Internal Medicine, Division of Infectious Diseases, Loyola University Medical Center, Maywood, IL, USA.
Introduction: Antibiotic stewardship is a critical aspect of managing cancer patients with febrile neutropenia (FN) to limit the development of drug-resistant organisms and minimize adverse drug effects. Thus, it has been recommended that patients with FN receiving empiric antibiotics should be re-evaluated for safe antibiotic de-escalation.
Methods: Subjects treated with meropenem for febrile neutropenia who met Loyola University Medical Center's (LUMC) criteria for de-escalation were stratified based on whether meropenem was de-escalated, and 30-day all-cause mortality for both groups was assessed.
Comparison of Illumina and Oxford Nanopore sequencing data quality for Clostridioides difficile genome analysis and their application for epidemiological surveillance.
BMC Genomics
January 2025
Department of Bacteria, Parasites and Fungi, Statens Serum Institut, Copenhagen, Denmark.
Background: The burden of Clostridioides difficile as a nosocomial- and community-acquired pathogen has been increasing over the recent decades, including reports of severe outbreaks. Molecular and virulence genotyping are central for the epidemiological surveillance of this pathogen, but need to balance accuracy and rapid turnaround time of the results. While Illumina short-read sequencing has been adopted as the gold standard to investigate C.
View Article and Find Full Text PDFAntimicrobial susceptibility testing of Clostridioides difficile: a dual-site study of three different media and three therapeutic antimicrobials.
Clin Microbiol Infect
January 2025
European Society of Clinical Microbiology and Infectious Diseases Study Group on Clostridioides difficile (ESGCD); Experimental Bacteriology Research Group, Leiden University Center for Infectious Diseases (LUCID), Leiden University Medical Center, Leiden, The Netherlands. Electronic address:
Objectives: Increasing resistance to antimicrobials used for the treatment of Clostridioides difficile infections necessitates reproducible antimicrobial susceptibility testing. Current guidelines take a one-size-fits-all approach and/or offer limited guidance. We investigated how the choice of medium affects measured MIC values across two sites.
View Article and Find Full Text PDFReactions of SleC, Its Structure and Inhibition in Mitigation of Spore Germination in .
J Am Chem Soc
January 2025
Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana 46556, United States.
Spore germination in is initiated by a cascade of activities of several proteins that culminates in the activation of SleC, a cell-wall-processing enzyme. We report herein the details of the enzymatic activities of SleC by the use of synthetic peptidoglycan fragments and of spore sacculi. The reactions include the formation of 1,6-anhydromuramate─a hallmark of lytic transglycosylase activity─as well as a muramate hydrolytic product, both of which proceed through the same transient oxocarbenium species.
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