Microbial Contamination of Operating Rooms Equipments in Selected Hospitals in Kermanshah

Nosocomial infections are one of the causes of mortality in hospitalized patients. Environment, staffs and equipments are the major sources of these infections. Contamination of equipments is could be contributed in nosocomial infections especially surgicalsite infections. The purpose of this study was to determination of microbial contamination of operating rooms equipments in selected hospitals in Kermanshah. In this cross-sectional study 180 swab samples were collected from selected equipments in each hospital. These swabs were inoculated onto blood and Eosin methylene blue agars and identification of microbial agents were done using standard biochemical microbiological methods. All Data analyzed using SPSS software. The results showed 73 cases (40.5%) were contaminated. The contamination rate in mobile and immobile equipments was 63% and 37%, respectively. The most infected equipments were suctions (28.8%). Coagulase negative staphylococci (72.6%) were the most frequent isolates in this study. The most contaminated operating rooms were general surgery unit (26%) and ENT unit (16.4%), respectively. This study showed a high percentage of contamination of equipments in operating rooms. Applying prevention standard guidelines is necessary to reduce the rate of this contamination in operating rooms in these hospitals.