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Intraoperative redosing of cefazolin and risk for surgical site infection in cardiac surgery
Zanetti G, Giardina R, Platt R. Intraoperative redosing of cefazolin and risk for surgical site infection in cardiac surgery. Emerging Infectious Diseases. 2001;7(5):828-831.

This is a retrospective cohort study done to assess the effect of intraoperative redosing of antimicrobial prophylaxis on the occurrence of surgical site infection following prolonged cardiac procedures. The study population included 1,548 patients who had cardiac surgeries at Brigham and Women’s Hospital between April 1, 1998, and September 30, 1999.

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