Caracterização de Staphylococcus aureus isolados da barra de mão de carrinhos e alças de cestas de supermercados

Staphylococcus aureus e um dos agentes patogenicos mais notorios, sendo responsavel por 45% das toxinfeccoes em todo o mundo. Um dos grandes problemas atuais e o desenvolvimento de cepas resistentes a antibioticos. Considerando a importância da disseminacao desses micro-organismos na comunidade, o presente trabalho teve por objetivo determinar a presenca de Staphylococcus aureus na barra de mao dos carrinhos e alcas de cestas de supermercados da cidade de Campo Mourao - PR, e caracterizar a susceptibilidade dos isolados a oxacilina. Foram analisadas 120 amostras, sendo 60 coletadas das barras de mao de carrinhos e 60 coletadas das alcas de cestas. Esse micro-organismo foi isolado em 75 amostras (62,5%), sendo que, desse total, 35 amostras (46,7%) foram isoladas de carrinhos e 40 (53,3%) de cestas de compras. As amostras positivas para Staphylococcus aureus foram submetidas aos testes de susceptibilidade, pelo metodo de disco-difusao, a oxacilina (cefoxitina) e todas as amostras foram consideradas sensiveis a essa droga. Constatou que as barras de maos e as alcas de cestas de supermercados, podem ser consideradas como fomites, na disseminacao de Staphylococcus aureus, sendo de extrema importância a higienizacao desses objetos, a fim de diminuir os riscos de contaminacao na comunidade. Palavras-chave: Staphylococcus aureus. Contaminacao. Superficies. Oxacilina. ABSTRACT Characterization of Staphylococcus aureus Isolated of shopping carts hand bars and handles of handheld shopping baskets in supermarkets Staphylococcus aureus is one of the most notorious pathogens, accounting for 45% of intoxications worldwide. One of the major problems today is the development of antibiotic-resistant strains. Considering the importance of dissemination of these micro- organisms in the community, this study aimed to determine the presence of Staphylococcus aureus in shopping carts hand bars and handles of handheld shopping baskets in supermarkets from the city of Campo Mourao – PR, and characterize the susceptibility of isolates to oxacillin. One hundred twenty samples, of which 60 collected from bars hand stands and collected 60 of the handles of baskets. This micro-organism was isolated in 75 samples (62.5%), and of this total, 35 samples (46,7%) were isolated from carts and 40 (53,3%) of shopping baskets. The positive samples for Staphylococcus aureus were submitted to susceptibility testing by the disk diffusion method to oxacillin (cefoxitin) and all samples were found to be sensitive to this drug. It found that the bars of hands and the handles of supermarket baskets can be considered as fomites in the dissemination of Staphylococcus aureus, being extremely important to sanitization these objects in order to reduce the risk of contamination in the community. Keywords: Surfaces. Contamination. Staphylococcus aureus. Oxacillin.