Study on the effects of fast bowel preparation and traditional bowel preparation on ileal mucosal barrier function in radical cystectomy of bladder cancer

Interventions: Group 1: fast bowel preparation:the day before day of surgery be given a normal diet and bowel preparation(oral phosphate-salt 90ml + warm water 1500ml, 99-15:00)and Fasting 8 hours before operation;Group 2: Traditional preparation:Trational routine bowel preparation
Primary outcome(s): The morning of operation and the first day and the third day after surgery taking peripheral blood C - reactive protein and tumor necrosis factor (TNF alpha), interleukin (IL - 6) and interferon (IFN - gamma) 2) The ileum tissue in the operation was determined to determine the concentration of the&#
Study Design: Randomized parallel controlled trial