ArticleClinics (Sao Paulo, Brazil)2011
Methicillin-resistant Staphylococcus aureus (MRSA) carriage in a dermatology unit.
Article in Clinics (Sao Paulo, Brazil), 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 35 citations in OpenAlex.
- Construction and validation of a predictive in-hospital mortality nomogram in patients with staphylococcus aureus bloodstream infection.Scientific reports · 2025Article
- Susceptibility to chlorhexidine and mupirocin among methicillin-resistant Staphylococcus aureus clinical isolates from a teaching hospital.Revista do Instituto de Medicina Tropical de Sao Paulo · 2021Article
- The History of Methicillin-ResistantThe Canadian journal of infectious diseases & medical microbiology = Journal canadien des maladies infectieuses et de la microbiologie medicale · 2020Review
- Glyceryl trinitrate blocks staphyloxanthin and biofilm formation inAfrican health sciences · 2019Article
- Prevalence of methicillin-resistant Staphylococcus aureus colonization in individuals from the community in the city of Sao Paulo, Brazil.Revista do Instituto de Medicina Tropical de Sao Paulo · 2018Article
- Genetic and phenotypic study of methicillin-resistantIranian journal of microbiology · 2017Article
- Staphylococcus aureus isolates colonizing and infecting cirrhotic and liver-transplantation patients: comparison of molecular typing and virulence factors.BMC microbiology · 2015Observational
- Resistance Pattern of Antibiotics in Patient Underwent Open Heart Surgery With Nosocomial Infection in North of Iran.Global journal of health science · 2015Article
- Nasal carriage of Staphylococcus aureus in Botucatu, Brazil: a population-based survey.PloS one · 2014Article
- Molecular and genetic aspects of oncology and infectology in Clinics.Clinics (Sao Paulo, Brazil) · 2012Article
- Evaluation of the Antimicrobial Resistance Pattern of Nosocomial Infections in Patients Hospitalized in Chamran Heart Educational, Medical, and Research Center of Isfahan.Journal of research in pharmacy practiceArticle
Corrections and comments
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Authors and funding
13 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveThe aim of this study was to characterize Staphylococcus aureus (MRSA) carriage in a dermatology unit.
methodsThis was a prospective and descriptive study. Over the course of 26 weeks, surveillance cultures were collected weekly from the anterior nares and skin of all patients hospitalized in a 20-bed dermatology unit of a tertiary-care hospital. Samples from healthcare workers (HCWS) were cultured at the beginning and end of the study. Colonized patients were put under contact precautions, and basic infection control measures were enforced. Staphylococcus aureus colonization pressure was determined monthly. Colonized and non-colonized patients were compared, and isolates were evaluated for antimicrobial susceptibility, SCCmec type, virulence factors, and type.
resultsOf the 142 patients evaluated, 64 (45%) were colonized by MRSA (39% hospital acquired; 25% community acquired; 36% indeterminate). Despite isolation precautions, hospital-acquired Staphylococcus aureus occurred in addition to the continuous entry of Staphylococcus aureus from the community. Colonization pressure increased from 13% to 59%, and pemphigus and other bullous diseases were associated with MRSA colonization. Eleven out of 71 HCWs (15%) were Staphylococcus aureus carriers, although only one worker carried a persistent clone. Of the hospital-acquired MRSA cases, 14/28 (50%) were SCCmec type IV (3 PFGE types), 13 were SCCmec type III (46%), and one had an indeterminate type. These types were also present among the community-acquired Staphylococcus aureus isolates. SSCmec type IV isolates were shown to be more susceptible than type III isolates. There were two cases of bloodstream infection, and the pvl and tst virulence genes were absent from all isolates.
conclusionsDermatology patients were colonized by community- and hospital-acquired Staphylococcus aureus. Half of the nosocomial Staphylococcus aureus isolates were SCCmec type IV. Despite the identification of colonized patients and the subsequent contact precautions and room placement, Staphylococcus aureus colonization continued to occur, and colonization pressure increased. Pemphigus and other bullous diseases were associated with Staphylococcus aureus.
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