Prevalence of nasal colonization by methicillin-resistant Staphylococcus aureus in outpatients living with HIV/AIDS in a Referential Hospital of the Northeast of Brazil.

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Prevalence of nasal colonization by methicillin-resistant Staphylococcus aureus in outpatients living with HIV/AIDS in a Referential Hospital of the Northeast of Brazil.

BMC Res Notes. 2018 Nov 06;11(1):794

Authors: Regina Pedrosa Soares C, de Lira CR, Cunha MAH, Romão de Souza Junior V, Lopes de Melo F, de Araújo PSR, Maciel MAV

Abstract
OBJECTIVE: The purpose of this study is to investigate the prevalence of MRSA among people living with HIV/AIDS (PLHA) being monitored in a tertiary outpatient hospital in the state of Pernambuco, in the Brazilian Northeast.
RESULTS: Staphylococcus aureus was isolated from a nasal swab and found in 31.4% of the individuals (95% CI 27.3-35.5), of whom 4.4% (95% CI 8.5-19.5) were MRSA, as confirmed by the presence of the mecA gene. For individuals whose S. aureus was recovered, the mean age was 41.5 years; 93.6% were on antiretroviral treatment. This group had CD4 cell counts > 200 (92%) and viral load ≤ 100 copies (79.1%). Use of antimicrobial agents in the past 12 months was found among 21% of the individuals, and 24.2% reported use of illicit drugs at lease once in their lifetime. Prevalence of nasal colonization by MSSA (26.7%) and MRSA (4.4%) was higher in comparison to other studies of this population; nevertheless, we were unable to establish factors associated with risk.

PMID: 30400979 [PubMed - in process]

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