Common bile duct ligation was performed on another 3 groups; oral diet was assigned to group B,and TPN with LCT or MCT/LCT were assigned to groups C and D respectively.

• 余 3组均行胆总管结扎术 :B组为经口饮食对照组 ,C、D组分别给予以长链 (LCT)或中长链脂肪酸 (MCT/LCT)为脂肪来源的TPN。