Prospective single arm, single center observational study to assess the nutritional status and the nutrient supply during hospitalization for elective gastrointestinal surgery.
Interventions: Experimental group :Nutrition was infused via vein and Protein Hydrolysate Oral Solution by nasojejunal tube ;Control group:Nutrition was infused via vein and physiological saline by na
BackgroundThe efficacy of enteral immunonutrition (EIN) in patients undergoing gastrointestinal cancer surgery remains debatable. This meta-analysis aimed to investigate the effectiveness of EIN admin
