ArticleJournal of veterinary internal medicine
Prevalence and Risk Factors of Staphylococcus aureus Nasal Colonization in Horses Admitted to a Veterinary Teaching Hospital.
Article in Journal of veterinary internal medicine. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
- Feasibility and acceptability of meticillin-resistant Staphylococcus aureus biosecurity measures in equine facilities: A cross-sectional study.The Veterinary record · 2026Article
- Characterization of Staphylococci colonizing healthy equine skin: antibiotic resistance, virulence factors, and biofilm formation.Veterinary research communications · 2025Article
Corrections and comments
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Authors and funding
5 authors.
Funding
Abstract
backgroundMethicillin-resistant Staphylococcus aureus (MRSA) is a major cause of nosocomial infections, including in veterinary settings. HYPOTHESIS/
objectivesTo investigate the prevalence, risk factors for Staphylococcus aureus (SA) and MRSA colonization, and the duration of MRSA colonization. ANIMALS: Elective cases admitted to the Veterinary Teaching Hospital were recruited (228 horses).
methodsA cross-sectional study was conducted over 3 years. Nasal swabs were collected at admission and cultured for SA. Methicillin-resistant isolates were identified using matrix-assisted laser desorption/ionization-time-of-flight (MALDI-TOF) technology, oxacillin minimal inhibitory concentration (MIC), and PCR testing. Horses colonized with MRSA were resampled until two negative cultures were obtained. Stabling management, activity, and medical history were obtained from owners and medical files. Multivariable logistic regressions were used to model associations between risk factors and colonization.
resultsThe prevalence of SA and of MRSA nasal carriage was 17.5% (95% CI: 12.4-22.7) and 6.2% (95% CI: 2.9-9.4), respectively. Of the 10 horses colonized by MRSA and monitored over time, only one tested positive after 3 months. More than 10 horses on the premises (OR 6.0 - 95% CI 1.1-64.2), previous hospitalization (OR 6.0 - 95% CI 1.0-35.2), and year of admission (2022 vs. 2020-2021; OR 9.0 - 95% CI 1.7-92.2) were associated with MRSA nasal carriage. CONCLUSIONS AND CLINICAL IMPORTANCE: The prevalence of MRSA nasal colonization is of concern; however, the carriage seems transitory. Apart from the medical risk factors, the importance of social interactions in MRSA transmission needs to be elucidated in horses.
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