Abstract
Objective: To analyze the environmental variables that contribute to the occurrence of surgical site infection in patients undergoing elective surgery in a charity hospital. Method: This is a descriptive, observational, cross-sectional study with quantitative approach conducted between 2011 and 2012. Results: Twenty-three surgeries of various specialties, with average duration of 54 minutes, ere analyzed. The lowest average air temperature and humidity in the operating room occurred at 140 minutes: 21.3 °C temperature and 29% humidity. There was an average of 5.69 people in the room, and the average of entrances and exits was 4.34 people. The door was open 12.6 times and remained open for 11.89 minutes, on average. Caps, masks and shoes were used inadequately by those present in the room. Conclusion: It is evident that many activities in the operating room are performed inappropriately, reinforcing the need for in-service education.
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