Project description:Interventions: Nutrition intervention group 1:Perioperative oral general sugar clear liquid diet (200 ml/bag) at time points;Nutrition intervention group 2:Perioperative Oral Complex Carbohydrate Purified Liquid Food (200ml/bag);Blank control group 3:Fasting from food and water 12 hours before surgery and 24 hours after surgery
Primary outcome(s): Intestinal barrier function;Semiquantitative typing of intestinal flora;Gut flora 16sRNA assay;albumin;Length of stay in hospital;Hospitalisation costs
Study Design: Parallel
Project description:To explore the regulatory mechanism of intestinal flora in Citrobacter rodentium -induced intestinal infection by transcriptome analysis at miRNA molecular level.