• Bryce W Murray, Daisha J Cipher, Thai Pham, and Thomas Anthony.
• Dallas VA Medical Center, Surgical Services (112), 4500 S Lancaster Road, Dallas, TX 75216, USA. brycew.murray@va.gov
• Am. J. Surg. 2011 Nov 1;202(5):558-60.

IntroductionThe purpose of this study was to evaluate the long-term complications of surgical site infection (SSI) in the colorectal population, specifically its association with incisional hernia and small bowel obstruction.MethodsUsing standardized definitions of SSI, a retrospective review of patients undergoing transabdominal colorectal surgery from January 2002 to December 2005 was performed. Primary outcomes included incisional hernia and small bowel obstruction in patients with SSIs.ResultsA total of 443 patients were analyzed. The median surgical follow-up was 12 months (2-3,091 days). Infections were identified in 101 (23%) cases. There were 99 cases (22%) of incisional hernia and 32 cases (7%) of small bowel obstruction. Logistic regression revealed SSI to be independently associated with incisional hernia after adjusting for clinical covariates (adjusted odds ratio = 2.23, P = .003; 95% confidence interval, 1.3-3.8). Patients with incisional hernia were 1.9 times more likely to have had an SSI (36.3% vs 18.8%, P ≤ .01). They required a longer operative time (224 minutes vs 198 minutes, P = .03), had an increased body mass index (29.0 vs 26.8, P ≤ .01), and had increased estimated blood loss (363 vs 289, mL, P = .03). Small bowel obstruction was significantly associated with operations involving the rectum (11.5% in operations involving the rectum vs 5.9% in nonrectal operations, P = .05), increased estimated blood loss (409 ml vs 297 ml, P = .04), and red blood cell transfusion (15.5% with transfusion vs 5.7% without, P = .01). SSI was not an independent predictor of small bowel obstruction (adjusted odds ratio = 1.05, P = .91; 95% confidence interval, .45-2.5).ConclusionsPatients with an SSI were 1.9 times more likely to have an incisional hernia than those without an SSI. An SSI after colorectal surgery was a risk factor for the development of incisional hernia but was not a risk factor for small bowel obstruction in our population.Published by Elsevier Inc.

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