Surgical site infection incidence after a clean-contaminated surgery in Yasuj Shahid Beheshti hospital, Iran

Objective. To determine the incidence rate of infection after a clean-contaminated surgery and its relationship with some risk factors. Methodology. Cross sectional study, in a convenience sample of 300 patients who underwent surgery classified as clean-contaminated in a hospital of Yasuj, Iran. Samples were taken directly from the wound at the first dressing change to all the patients. They were studied to determine bacteria growth. Results. The rate of infection after a clean-contaminated surgery was 53%. The most common gram positive microorganism was Staphylococcus aureus (22%), and among gram negative: Es­cherichia coli (26%), Klebsiella sp (26%) and Pseudomonas sp (25%). Significant correlation between the type of surgery and surgical site infection was found, it was not seen with the varia­bles sex and surgical procedure. Conclusion. This study shows important problems regarding patient’s safety. Protocols should be reviewed to control infections. Key words : bacterial infections; cross infection; surgical wound infection.