Abstract
BackgroundPostoperative ileus is a common problem after colorectal surgery. The aim of the study was to investigate the incidence and risk factors for prolonged postoperative ileus (POI) after colectomy for inflammatory bowel diseases (IBDs). MethodsConsecutive patients who underwent colorectal resection for IBD versus colorectal cancer (CRC) patients under enhanced recovery after surgery protocol were retrospectively analyzed. Primary assessment end point is the incidence of prolonged POI (>4 days); secondary end points were GI-2 recovery (time to first toleration of solid food and first bowel movement), nasogastric tube reinsertion, and postoperative length of stay. Risk factors for prolonged POI in IBD patients were assessed by multiple logistic regression analysis with P score matching. ResultsThe incidence of prolonged POI was higher in IBD versus CRC group (28.8% versus 14.8%, P < 0.001). Patients with IBD had a longer time to GI-2 recovery (4.8 ± 2.1 versus 3.7 ± 1.4 d, P < 0.001), postoperative length of stay (10.7 ± 6.2 versus 7.9 ± 5.3 d, P < 0.001), higher incidence of nasogastric tube reinsertion (9.8% versus 4.0%, P = 0.02). After propensity-score matching analysis, the differences were still significant. Preoperative steroid use >20 mg/d (odds ratio, [OR] = 2.19, P = 0.048), hypoalbuminemia (<35 g/L; OR 2.72, P = 0.03), systemic inflammatory response syndrome status (OR 4.91, P = 0.03), and postoperative intraabdominal sepsis (OR 9.31, P = 0.001) were independent risk factors for prolonged POI in IBD patients. ConclusionsIn the setting of enhanced recovery after surgery, colectomy for IBD is associated with delayed gastrointestinal function recovery and higher incidence of prolonged POI compared to CRC patients. Normalizing preoperative albumin level, weaning off steroids, reducing preoperative systemic inflammatory response syndrome, and early management of postoperative intraabdominal sepsis may reduce POI in IBD population.
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