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Ileocolic resection is the most common operation performed for Crohn's disease patients with terminal ileum involvement. We sought to evaluate the outcomes in Crohn's disease patients who underwent open ileocolic resection (OIC) and laparoscopic ileocolic resection (LIC) by using the ACS-NSQIP database from 2006 to 2015. Of 5670 patients, 48.3 per cent (2737) patients had OIC and 51.7 per cent (2933) had LIC. The number of LIC increased from 40 per cent in 2006 to 60.7 per cent in 2015. Moreover, the annual number of LIC surgeries has exceeded the number of OIC surgeries since 2013. Patients in the LIC group had shorter hospital length of stay compared with OIC group (6 ± 5 days vs 8.6 ± 8 days, P < 0.01). The LIC procedure also had shorter operation time compared with OIC (148 ± 58 vs 153 ± 76 minutes, P = 0.01). Overall morbidity (15.8% vs 25.3%, AOR: 0.54, confidence interval (CI): 0.46-0.62, P < 0.01), serious morbidity (10.9% vs 18%, AOR: 0.55, CI: 0.46-0.65, P < 0.01), and SSI (9.9% vs 15.5%, AOR: 0.59, CI: 0.49-0.70, P < 0.01) rates were lower in the LIC group than the OIC group. We demonstrated that in Crohn's disease patients, LIC has improved outcomes for ileocolic resection compared with OIC and has been chosen as the preferential treatment approach for most patients. [ABSTRACT FROM AUTHOR]

There are limited data regarding the association between body mass index (BMI) and colorectal surgery outcomes. We sought to evaluate the effect of BMI on short-term surgical outcomes in colon and rectal surgery patients in the United States. The American College of Surgeons National Surgery Quality Improvement Project database was used to identify all patients who underwent colon or rectal resection from 2005 to 2013. Multivariate regression analysis was used to assess the independent effect of BMI on outcomes. A total of 206,360 patients underwent colorectal resection during the study period. Of these, 3.2 per cent of patients were underweight (BMI < 18.5), 23.8 per cent patients were normal weight (18.5 ≤ BMI < 25), 26.5 per cent were overweight (25 ≤ BMI < 30), 25.2 per cent were obese (30 ≤ BMI < 40), and 5.3 per cent were morbidly obese (BMI ≥ 40). Underweight patients had longer length of stay (confidence interval: 2.70-3.49, P < 0.001) and higher mortality (adjusted odds ratio: 1.45, P < 0.01) compared with patients with a normal BMI. Morbidly obese patients had the highest overall morbidity rate compared with normal BMI patients (adjusted odds ratio: 1.53, confidence interval: 1.42-1.64, P < 0.01). BMI is associated with outcomes in colon and rectal surgery patients. Underweight and morbidly obese patients have a significantly increased risk of postsurgical complications compared with those with normal BMI. [ABSTRACT FROM AUTHOR]