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Risk factors for methicillin-resistant Staphylococcus aureus colonization in horses admitted to a veterinary teaching hospital.

Abstract: Methicillin-resistant Staphylococcus aureus (MRSA) is an emerging problem in horses; however, the epidemiology of infection and colonization is poorly understood. This study evaluated factors associated with MRSA colonization at the time of admission to a veterinary teaching hospital. A case-control study evaluating historical factors was performed. Previous colonization of the horse, previous identification of colonized horses on the farm, antimicrobial administration within 30 days, admission to the neonatal intensive care unit, and admission to a service other than the surgical service were risk factors for community-associated colonization. A better understanding of risk factors for MRSA colonization is important to elucidate the epidemiology of this emerging veterinary and zoonotic pathogen, and to design evidence-based infection control programs. Le résistant à la méthicilline (SARM) est un problème émergeant chez les chevaux alors que l’épidémiologie de l’infection et de la colonisation est encore mal connue. Cette étude a pour but d’évaluer les facteurs associés à la colonisation par le SARM au moment de l’admission dans un hôpital vétérinaire d’enseignement. Une étude cas-témoins évaluant les facteurs historiques a été réalisée. La colonisation du cheval, l’identification des chevaux colonisés sur la ferme, l’administration d’antimicrobiens en deçà de 30 jours, l’admission dans une unité de soins intensifs néonataux et l’admission dans un service autre que le service de chirurgie constituaient des facteurs de risques pour la colonisation associée au groupe. Une meilleure compréhension des facteurs de risque associés à la colonisation par le SARM est importante pour élucider l’épidémiologie de ce pathogène vétérinaire et zoonotique émergeant et pour mettre au point des programmes de contrôle basés sur des données scientifiques. (Traduit par Docteur André Blouin)
Publication Date: PubMed ID: 17966332
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Summary

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The research paper focuses on identifying the risk factors associated with the colonization of methicillin-resistant Staphylococcus aureus (MRSA) in horses admitted to a veterinary teaching hospital.

Objective of the study

The aim of this study is to understand the epidemiology or causes and the spread of MRSA colonization in horses. This understanding would facilitate the creation of evidence-based infection control programs and help in managing this emerging veterinary and zoonotic pathogen.

Methodology

The research is comparative in nature as it involves a case-control study. The case-control study involves comparing the historical factors or past records related to MRSA colonization in horses. The risk factor consideration involves:

  • Previous colonization of the horse
  • Previous identification of colonized horses on the farm
  • Antimicrobial administration within 30 days
  • Admission to the neonatal intensive care unit
  • Admission to a service other than the surgical service

Results and Key Findings

The study identified certain significant risk factors for MRSA colonization in horses. The risk factors include the horse’s historical MRSA colonization status, presence of previously identified colonized horses on its farm, and recent antimicrobial administration – within the last 30 days. Additionally, horses admitted to a neonatal intensive care unit or a service other than the surgical service also showed increased risk of MRSA colonization.

Implication of the Study

Understanding the risk factors associated with MRSA colonization can provide valuable insights into its epidemiology. This, in turn, can guide the design of evidence-based infection control programs, enabling effective management and prevention of this emerging veterinary and zoonotic pathogen.

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APA
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