• E Simchen, M Shapiro, T G Sacks, J Michel, A Durst, and Z Eyal.
• Ann. Surg. 1984 Mar 1; 199 (3): 260-5.

AbstractOver a period of 54 months, every patient undergoing colon surgery at the Hadassah University Hospital in Jerusalem was followed up prospectively by the same nurse epidemiologist. A total of 403 patients completed the analysis. Risk factors for postoperative wound infection were explored in an epidemiological study, using both single and multivariate analysis. Of the 13 potential risk factors investigated, the four showing the highest association with wound infection were: the performance of more than one operation during a single admission; Arab ethnicity; the use of open drains; and the performance of a colostomy. In patients undergoing more than one operation, the risk for infection was greater if the second operation followed a surgical complication than if it was performed as an elective second procedure; whether the first operation was elective or not did not affect the infection rate. Second operations performed within 7 days of the first carried a higher risk for infection than those performed later. The different prophylactic protocols used during the period of investigation did not have an independently significant contribution to the risk of infection.

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