“…In the study by de Silva and Rissing, 9% of patients developed postoperative wound infection following cardiac surgery during the first six months after a relocation to a new facility. 2 Performing cardiac surgery in a room used within the past 48 hours for a "contaminated" case was statistically associated with increased wound infections. In the study by Dandalides, Ratula, and Sarubbi, 23.7% of patients undergoing cardiac surgery developed a postoperative wound or nonwound infection during a two-month period in 1981. :i An extensive epidemiologic and microbiologic study of the cardiothoracic intensive care unit was undertaken.…”