Abstract
Asymptomatically nasal colonization by Staphylococcus aureus is a well-established risk factor for S. aureus infections. The aimed of the study was to identify the prevalence and factors associated with nasal carriage of S. aureus and Methicillin-resistant S. aureus (MRSA) from individuals residing in one Brazilian nursing home (NH). Three time-separate nasal swab collections were obtained from the elderly enrolled. The S. aureus isolates identified were submitted to Antimicrobial Susceptibility test (AST). The study showed a high prevalence of S. aureus (n = 9; 60%) and MRSA (n = 4; 26.7%) among elderly. Resistance to erythromycin was the most detected. S. aureus or MRSA colonization could not be associated to the data collected on demographics, personal habits, and medical history of the participants. Despite the small number of individuals enrolled, our study can contribute to improve the control of S. aureus and MRSA dissemination within the community, especially among the most vulnerable like the elderly.
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