1.On the day 1 postoperatively,the patients received tither enteral nutrition or parenteral nutrition.

1.在术后第1日开始行肠内营养或肠外营养。

2.For barrier and immunity of enteric,select seemliness time and composition enteral nutrition is very importance .

2.于肠道具有障、免疫等各,因此恰当选择肠内营养的时机及给予合理营养成分是十分重要的。