Risk Factors for Early Postoperative Small Bowel Obstruction after Elective Colon Cancer Surgery: An Observational Study of 1,244 Consecutive Patients

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Background: Early postoperative small bowel obstruction (EPSBO) is a common complication following colon cancer surgery. EPSBO is associated with increased hospital stays, mortality rates, and healthcare costs. The purpose of this study was to identify risk factors for EPSBO following elective colon cancer surgery. Study Design: We retrospectively reviewed the clinicopathological variables of 1,244 patients with colon cancer who underwent partial colectomy from January 2000 to December 2014. A multivariable logistic regression model was used to identify risk factors for EPSBO. Results: The EPSBO rate was 3.5%. In multivariate analysis, preoperative bowel obstruction (OR 2.378; 95% CI 0.986-5.735, p = 0.054), weight loss >10% of body weight (OR 3.029; 95% CI 1.000-9.178, p = 0.05), albumin level (in g/L; OR 0.966; 95% CI 0.937-0.996, p = 0.024), and surgical duration (in min; OR 1.008; 95% CI 1.003-1.012, p = 0.003) were significant predictors of EPSBO. Conclusion: EPSBO is more likely to develop in the presence of poor systemic conditions (e.g., weight loss >10% of body weight, hypoalbuminemia, and preoperative bowel obstruction) and following operations of longer duration. These predictors may facilitate the stratification of patients at risk for EPSBO following surgery for elective colon cancer.

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