Abstract
Objective To investigate the predictive effect of body mass index (BMI) , fat free mass index (FFMI) and fat percentage (FP) on postoperative infectious complications of Crohn′s disease (CD) patients. Methods Informations of 109 patients diagnosed as CD undergoing enterectomy at General Surgery Department of Nanfang Hospital from May 2013 to August 2017 were retrospectively collected. Binomial regression model was used to evaluate the predictive effect of BMI, FFMI, FP and some other factors on postoperative infectious complications respectively. Logistic regression model was applied to analyze the independent risk factors with previously screening factors. Results Among 109 CD patients, 23 (21.1%) developed postoperative infections. Low FFMI was an independent risk factor of postoperative infections, with 5.33 times of complications compared to normal FFMI (OR= 5.33, 95% CI: 1.04 to 27.40, P = 0.045) . Glucocorticoid used more than 20 mg/d (OR = 4.89, 95% CI: 1.45 to 16.51, P = 0.011) and active Crohn′s disease (OR = 4.44, 95% CI: 1.18 to 16.70, P = 0.027) were also independent risk factors of postoperative infections, while low BMI (OR = 1.50, 95% CI: 0.56 to 4.01, P = 0.424) and low FP (OR = 1.42, 95% CI: 0.54 to 3.69, P = 0.476) were not risk factors of postoperative infections. Conclusions Low FFMI is an independent risk factor of infectious complications of CD patients after enterectomy. Body composition analysis can predict infectious complications of CD patients after enterectomy. Key words: Crohn′s disease; Complication; Body composition analysis; Fat percentage; Fat free mass index
Published Version
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