Results: The infection plus TPN group showed that the bile flow was reduced, levels of STBA, GGT and AKP were elevated, and fat infiltration, bile capillary dilatation and bile embolism were obvious in the liver. 结果:感染+TPN组与对照组比较出现胆汁流下降,STBA、GGT、AKP水平升高,病理检查见肝组织脂肪浸润、毛细胆管扩张及胆栓;