ArticleAntimicrobial resistance and infection control2022
Pandemic clone USA300 in a Brazilian hospital: detection of an emergent lineage among methicillin-resistant Staphylococcus aureus isolates from bloodstream infections.
Article in Antimicrobial resistance and infection control, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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9 citing papers in PubMed, 24 citations in OpenAlex.
- Staphylococcus aureus CC398 Lineage of the Human Clade Isolated from Bloodstream Infection and Colonization and Spread among Brazilian Patients Hospitalized during the COVID-19 Pandemic.Current microbiology · 2026Article
- Antimicrobial susceptibility and adaptative changes in MRSA lineages exposed to increasing concentrations of fluoroquinolones and chlorhexidine.Scientific reports · 2026Article
- StaphScope: a species-optimized computational pipeline for rapid and accessible Staphylococcus aureus genotyping and surveillance.BMC genomics · 2026Article
- High colonization by multidrug-resistant and virulent Staphylococcus aureus genotypes among critically ill patients in the COVID-19 pandemic in a Brazilian hospital.BMC microbiology · 2025Article
- Clonal shift and impact of azithromycin use on antimicrobial resistance of Staphylococcus aureus isolated from bloodstream infection during the COVID-19 pandemic.Scientific reports · 2025Article
- ST105 Lineage of MRSA: An Emerging Implication for Bloodstream Infection in the American and European Continents.Antibiotics (Basel, Switzerland) · 2024Review
- Two novel synthetic xanthenodiones as antimicrobial, anti-adhesive and antibiofilm compounds against methicillin resistant Staphylococcus aureus.Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology] · 2024Article
- Atopic dermatitis pediatric patients show high rates of nasal and intestinal colonization by methicillin-resistant Staphylococcus aureus and coagulase-negative staphylococci.BMC microbiology · 2024Article
- Hospital-Related Lineage of USA300 Methicillin-ResistantBioMed research international · 2023Article
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9 authors at 3 institutions in 1 country.
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Abstract
backgroundStaphylococcus aureus is one of the leading causes of bloodstream infections (BSI) worldwide. In Brazil, the hospital-acquired methicillin-resistant S. aureus USA100/SCCmecII lineage replaced the previously well-established clones. However, the emergence of community-associated (CA) MRSA lineages among hospitalized patients is an increasing issue.
methodsConsecutive S. aureus isolates recovered from BSI episodes of patients admitted between January 2016 and December 2018 in a Brazilian teaching hospital were tested for antimicrobial resistance, their genotypic features were characterized, and the clinical characteristics of the patients were evaluated.
resultsA total of 123 S. aureus isolates were recovered from 113 patients. All isolates were susceptible to linezolid, teicoplanin and vancomycin and 13.8% were not susceptible to daptomycin. Vancomycin MIC
conclusionsThe pandemic MRSA USA300 was detected for the first time in the Brazilian teaching hospital under study, and its cross-transmission most probably occurred between patients with BSI. This lineage may already be circulating among other Brazilian hospitals, which highlights the importance of carrying out surveillance programs to fight multidrug resistant and hypervirulent isolates.
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