Resumen

GALARZA GALARZA, Mónica Isabel  y  YARZABAL RODRIGUEZ, Luis Andrés. Methicillin-resistant Staphylococcus aureus in farm animals in South America: a systematic review. Vive Rev. Salud [online]. 2021, vol.4, n.11, pp.246-265. ISSN 2664-3243.  https://doi.org/10.33996/revistavive.v4i11.99.

The interaction between humans and farm animals increases the risk of infection with a zoonotic pathogen. Among these pathogens, methicillin-resistant Staphylococcus aureus (MRSA) strains stand out. Initially identified as the cause of hospital-acquired diseases, it is acknowledged nowadays that these strains are also transmitted in the community, being able to infect different animals. Unfortunately, few studies on this important public health issue have been published, particularly concerning the South American region. Here we systematize the available information on the occurrence of MRSA strains in farm animals in South-American countries. For this, a systematic review of the information available in the bibliographic databases Scopus, Medline and Scielo was carried out, following PRISMA standards. Articles published in the last ten years referring the occurrence of MRSA strains in farm animals in South America were included. From a total of 65 articles, 19 were selected. Of these, 13 were conducted in Brazil, two in Ecuador, one in Chile, Uruguay and Peru, respectively; a last study includes data from several countries. Most of the studies characterized MRSA strains isolated from cattle, with pigs being the second most important animal of interest. Molecular biology techniques were used in many of these studies. Although in many cases important data such as prevalence or sampling period were not reported, a high occurrence of multidrug-resistant MRSA strains in these animals stands out.

Palabras clave : Methicillin-resistant Staphylococcus aureus; MRSA; animals; farms; systematic review; antibiotic resistance.

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