Abstract
Most preoperative assessment tools to evaluate risk for postoperative complications require multiple data points to be collected and can be logistically burdensome. This study evaluated if umbilical contamination, a simple bedside assessment, correlated with surgical outcomes. A 6-point score to measure umbilical contamination was developed and applied prospectively to patients undergoing colorectal surgery at an academic medical center. There were 200 patients enrolled (mean age 58.1 ± 14.8; 56% female). The mean BMI was 28.6 ± 7.4. Indications for surgery included colon cancer (24%), rectal cancer (18%), diverticulitis (13.5%), and Crohn's disease (12.5%). Umbilical contamination scores were 0 (23%, cleanest), 1 (26%), 2 (21%), 3 (24%), 4 (6%), and 5 (0%, dirtiest). Umbilical contamination did not correlate with preoperative functional status (p > 0.2). Umbilical contamination correlated with increased length of stay (rho = 0.19, p = 0.007) and postoperative complications (OR 1.3, 1.02-1.7, p = 0.04), but not readmission (p = 0.3) or discharge disposition (p > 0.2). Sterile preparation of the abdomen is an important component of proper surgical technique and umbilical contamination correlates with increased postoperative complications.
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