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Acta paul. enferm ; 27(3): 273-279, 07/2014. tab
Article in Portuguese | LILACS, BDENF | ID: lil-718056

ABSTRACT

Objetivo Analisar a colonização nasal por Staphylococcus sp., sua resistência à meticilina e fatores associados em pacientes internados.Métodos Foram realizados coleta de amostra nasal, testes de susceptibilidade antimicrobiana e análise de prontuários médicos de pacientes internados (n=71), e foi aplicado um questionário. Os dados foram analisados por meio de estatística descritiva e inferencial usando os testes c2, t de Student e Mann-Whitney (α=5%).Resultados Cerca de metade (44,4%) dos pacientes, significativamente associados ao tratamento antibiótico prolongado (p=0,02) estavam infectados por Staphylococcus sp resistentes à meticilina. Observou-se uma associação significativa entre pacientes com cepas sensíveis e ausência de tratamento com antibiótico antes da coleta (p=0,02) ou ausência de feridas (p=0,003).Conclusão Foram encontradas cepas de Staphylococcus sp. resistentes à meticilina e não houve diferença significativa entre a espécie S. aureus e os grupos de estafilococos coagulase negativos, o que indica o grau de disseminação da resistência à meticilina entre diferentes espécies de Staphylococcus.


Objective To analyze nasal colonization by Staphylococcus sp. its resistance to methicillin, and associated factors in inpatients.Methods Nasal sample collection, antimicrobial susceptibility tests, and analysis of medical records of inpatients (n=71) were performed, and a questionnaire was applied. Data were analyzed by descriptive and inferential statistics using the chi-square, Student’s t, and Mann-Whitney tests (α=5%).Results Nearly half (44.4%) of the patients who were significantly associated with prolonged antibiotic treatment (p=0.02) was infected with methicillin-resistant Staphylococcus sp.. A significant association was observed between patients with sensitive strains and absence of antibiotic treatment prior to sample collection (p=0.02) or absence of wounds (p=0.003).Conclusion Strains of methicillin-resistant Staphylococcus sp. were found, and there was no significant difference between the S. aureus species and the coagulase-negative Staphylococci groups, which indicates the degree of spread of methicillin resistance among different species of Staphylococcus.

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