RÉSUMÉ
To evaluate the influence of parenteral nutrition and glutamine on nutritional status and prognosis of surgical critically ill patients. 32 cases were treated by parenteral nutrition plus alanyl-glutamine injection. The differences in liver function, weight and nutritional status were compared between, before and after medication. Patients were either cured or relieved, and no complication including infection appeared. Total protein. Albumin, ferrohemoglobin and weight increased after medication, respectively. The use of parenteral nutrition plus glutamine is beneficial for ameliorating malnutrition and negative nitrogen balance caused by hypermetabolism, inhibiting bacterial translocation, preventing the complication, and increasing healing rate of disease