TY - CHAP M1 - Book, Section TI - Surgical Site Infections A1 - Doherty, Gerard M. PY - 2010 T2 - Quick Answers Surgery AB - • Postoperative wound infections resulting from bacterial contamination during or after a surgical procedure• Infection usually is confined to the subcutaneous tissues• Site infections are more likely if:-Excessive tissue trauma-Undrained hamartomas-Retained foreign bodies-Excessively tight ligatures-Allowing wound to become desiccated-Contaminated-Poor perfusion-Poor oxygenation-Dead space• Degree of intraoperative contamination can be divided into 4 categories which correlate with risk of postoperative wound infection1. Clean: No gross contamination from exogenous or endogenous sources2. Clean-contaminated: For example, with gastric or biliary surgery3. Heavily contaminated: Operations on the unprepared colon or emergency operations for intestinal bleeding or perforation4. Infected• Classification of surgical site infection:-Incisional: Superficial (skin and subcutaneous tissues) and deep incisional (deep soft tissue of the incision)-Organ/space infection: Any part of the anatomy other than body wall• Wound infections usually appear between the fifth and tenth postoperative days, but they may appear as early as the first postoperative day SN - PB - The McGraw-Hill Companies CY - New York, NY Y2 - 2024/03/29 UR - accesssurgery.mhmedical.com/content.aspx?aid=58102134 ER -