One recived TPN and the other TPN/GLN for at least one week, or till patients could take food, which could supply half daily energy needs.

• 静脉营养师根据随机数据表，将受试者分为两组，分别接受全胃肠外营养或全胃肠外营养联合力肽（谷氨酰胺双肽）治疗。