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Molecular Characteristics of Community-Acquired Methicillin-Resistant , Hospital-Acquired MRSA Isolates, and PVL in one of the Indian hospitals.
Indian J Microbiol
December 2024
Department of Internal Medicine, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh, 160012 India.
Unlabelled: Community-acquired methicillin resistant (CA-MRSA) strains are increasingly replacing hospital-acquired MRSA (HA-MRSA) strains in hospitalized patients leading to poor clinical outcomes. Hence, this study aimed to characterize clinical isolates of MRSA (HA-MRSA and CA-MRSA) and to understand their clonal origin. A total of 400 consecutive clinical isolates were collected from the clinical bacteriology lab of a tertiary care hospital.
View Article and Find Full Text PDFAdult severe community-acquired pneumonia with bloodstream infection caused by ψUSA 300: A case report.
Diagn Microbiol Infect Dis
November 2024
Department of Oncology, Hematology and Infectious Disease, Fukuoka University, Fukuoka 814-0180, Japan. Electronic address:
We report the first case of fatal community-acquired pneumonia with concomitant bloodstream infection caused by the ψUSA300 strain of methicillin-resistant Staphylococcus aureus (MRSA). The isolate was positive for Panton-Valentine leukocidin (PVL) gene, with a unique 12-base pair deletion in the ccrB2 gene, differentiating it from the canonical USA300 strain. Despite aggressive therapeutic interventions, the patient developed multiple complications, including septic shock, which ultimately proved fatal.
View Article and Find Full Text PDFCommunity-associated methicillin-resistant in the Kimberley region of Western Australia, epidemiology and burden on hospitals.
Epidemiol Infect
November 2024
Communicable Disease Control Directorate, WA Department of Health, Perth, WA, Australia.
This study presents surveillance data from 1 July 2003 to 30 June 2023 for community-associated methicillin-resistant (CA-MRSA) notified in the Kimberley region of Western Australia (WA) and describes the region's changing CA-MRSA epidemiology over this period. A subset of CA-MRSA notifications from 1 July 2003 to 30 June 2015 were linked to inpatient and emergency department records. Episodes of care (EOC) during which a positive CA-MRSA specimen was collected within the first 48 hours of admission and emergency presentations (EP) during which a positive CA-MRSA specimen was collected on the same day as presentation were selected and analysed further.
View Article and Find Full Text PDFGuardians of resistance and virulence: detection of mec, femA, Van, pvl, hlg and spa genes in methicillin and vancomycin-resistant Staphylococcus aureus from clinical and food samples in Southwestern Nigeria.
BMC Microbiol
November 2024
Multidisciplinary Research Laboratory, Osun State University, Osogbo, 230212, Nigeria.
Background: Staphylococcus aureus strains are highly virulent and associated with an eclectic range of severe nosocomial and community-acquired infections.
Objectives: This study assessed methicillin- and vancomycin-resistant Staphylococcus aureus (MRSA/VRSA) from clinical and ready-to-eat (RTE) food sources, screened for antibiotic resistance; and molecular determinants of antibiotic and virulence genes.
Methods: Altogether, 465 clinical and RTE food samples were analyzed via conventional microbiological techniques and S.
Genomic characterization of MRSA recovered from people with cystic fibrosis during two Spanish multicentre studies (2013 and 2021).
JAC Antimicrob Resist
October 2024
Servicio de Microbiología, Hospital Universitario Ramón y Cajal and Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, España.
Background: Chronic bronchopulmonary infection due to MRSA in people with cystic fibrosis (pwCF) has been associated with accelerated decline in lung function, increased hospitalizations and increased mortality.
Material And Methods: We studied microbiological and genomic characteristics of MRSA isolates recovered from pwCF in two Spanish multicentre studies (2013, 2021). Antimicrobial susceptibility was performed.
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