Advances in nutrition support during perioperative period of adult liver transplantation

The most common complication in patients with end‑stage liver disease is mal-nutrition, which is caused by the metabolic disorders of sugar, protein and fat for the metabolic dys-function of liver during the perioperative period of liver transplantation. Nutritional support is very important during the liver transplantation.Perioperative nutritional support can improve the nutri-tional status of patients, increase the chance of liver transplantation, reduce postoperative mortality and improve outcome. By reviewing the recent interventions of perioperative nutrition support for liver transplantation, and analyzing nutritional screening and nutritional assessment tools and their advantages and disadvantages, the authors emphasize the rational assessment of early nutrition, provide reasonable and personalized parenteral and enteral nutrition support, especially for energy, protein and other nutrients. We also emphasize the importance of long‑term reasonable nutrition support, monitoring and diet nutrition education in order to provide reference and suggestion for improving the nutritional status of liver transplantation patients and to provide evidence‑based basis for constructing standardized perioperative nutrition support program of liver transplantation.