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Revista de otorrinolaringología y cirugía de cabeza y cuello
versión On-line ISSN 0718-4816
PLATZER M, Liesbeth et al. Nasal bacterial colonization in healthy people of the city of Santiago of Chile: Is there nasal carriage of community methicillin resistant Staphylococcus aureus?. Rev. Otorrinolaringol. Cir. Cabeza Cuello [online]. 2010, vol.70, n.2, pp.109-116. ISSN 0718-4816. http://dx.doi.org/10.4067/S0718-48162010000200003.
Introduction: Doesn't exists agreement about normal nasal flora. Recently it has emerged community-associated methicillin-resistant Staphylococcus aureus in people without known rísk factors, producing a global health scare. Aim: Look for normal nasal flora and test the presence oí MRSA-com. Material ana method: Descriptive and prospective study, between October 2007 and October 2008, in healthy people. Was taken a sampling from nasal secretion, incubation and bacterial identification by conventional methods. Results: Studied population, average age 37.6±15.8years, 55% témale and 37.1% active smoking. We obtained 73%> of positive cultures. We identified 18 bacterial species, the most common was Staphylococcus coagulase-negative (53%) and Staphylococcus aureus (22.7%). Was detected only one case ofMRSA, and his genetic test was negative to prove community origin. Discusión: There is a high rate of nasal carriage of Staphylococcus coagulase-negative, like to that reponed by international literature. Although the prevalence found for S aureus is the usual, there were no MRSA-com positive samples. This indicates that in Chile there is still no spread of clones of MRSA-com.
Palabras clave : Nasal bacterial colonization; community methicillin resistant Staphylococcus aureus.