Perioperative nutritional support therapy in patients with gastrointestinal cancer

Patients with gastrointestinal cancer usually suffer from malnutrition, which is associated with increased incidence of surgeryrelated complications and mortality, prolonged duration of hospital stay, reduced quality of life. The feasible and effective perioperative nutritional support therapy could improve nutritional status and immunologic function of patients, meanwhile, reduce incidence of infected complications, duration of hospital stay and mortality.