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Órgano oficial de difusión de la Federación Mexicana de Patología Clínica, AC y de la Asociación Latinoamericana de Patología Clínica/Medicina de Laboratorio

2010, Number 4

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Rev Mex Patol Clin Med Lab 2010; 57 (4)

Prevalence of asymptomatic nasal carriers of methicillin-resistant Staphylococcus aureus, and its relation with risk and protection factors, in health care staff at the Hospital General de las Fuerzas Armadas

Cimera PD, Pérez PF

Language: Spanish
References: 51
Page: 196-204
PDF size: 222.75 Kb.


ABSTRACT

Objectives: The asymptomatic nasal carrier of Staphylococcus aureus has been identified as a risk not only for nosocomial infections but for community ones. This study is proposed to determine the prevalence of asymptomatic nasal carriers of methicillin resistant Staphylococcus aureus (MRSA), and its relation with risk and protection factors, in health care staff at the Hospital General de las FFAA. Design: A cross-sectional study is presented. The sampling was stratified, at random and representative, with a total of 100 health care workers, including: permanent physicians, residents, nurses, and auxiliary nurses at the HG-1. The people in this study completed a questionnaire and had a bilateral nasal swab. Results: The prevalence of nasal carrier of Staphylococcus aureus was 12%, and 1% for MRSA. It was identified as risk factors: males, more than 60 years old and diabetes mellitus, and changing the white coat only once a week. And as protection factors it was identified: hand washing when arriving and before leaving the hospital and between patients, as well as washing the white coat three or more times per week. Conclusions: The condition of asymptomatic nasal carriers of Staphylococcus aureus plays an important role in the epidemiology and pathogeny of infections. Consequently, it is important to promote and guide health care workers in biosecurity norms, especially hand washing, which becomes the key to avoid nosocomial infections.


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