Abstract
The air contamination levels during orthopedic surgeries were evaluated. The air of operating rooms (ORs) was examined through exposure to microbiological plates placed near the surgical table for an hour. values above that recommended (369 CFU/m³) for conventional ORs and ORs with ultraclean air were determined. Contamination was predominantly by Staphylococcus sp (86.9%). In all surgeries a high number of people were present inside the ORs and the doors were opened frequently. The contamination levels are above the values accepted by regulatory agencies, representing risk for patients.
Highlights
The air contamination levels during orthopedic surgeries were evaluated
A patogênese de infecções em cirurgias de implantes ortopédicos e osteossínteses é influenciada pela capacidade de formação do biofilme pelos microrganismos responsáveis, com uma suscetibilidade diminuída aos antibióticos, destacando-se o S. aureus e S. epidermidis11,12
Os resultados obtidos evidenciaram uma contaminação microbiológica do ar acima dos limites aceitáveis em cerca de 59% das cirurgias ortopédicas analisadas, com um percentual de 50% tanto naquelas com sistema de ar convencional como no sistema de ar ultralimpo, com predominância dos cocos Gram-positivos
Summary
Cirurgias convencional ultralimpo cirúrgico(¥) pessoas porta da sala sala ar convencional sala ar utralimpo (N). Artroplastias(*)(7) 3 42,8 4 57,2 154(105-290) 10 [8-13] 59 [41-116] 165 [126-189] 216 [135-333] 162 [135-198] 122 [63-180]. #Limites de contagens microbiana: ANVISA: ar convencional (200UFC/m3) ar ultralimpo (50UFC/m3) X(Var) – média (variação - mínimo e máximo). Tabela 2 - Microrganismos presentes no ar convencional e ultralimpo de salas cirúrgicas no Centro Cirúrgico do HC-UFU, durante cirurgias ortopédicas (artroplastias total de quadril e joelho, hemiartroplastias e osteosínteses)
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