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

在术后第1日开始行肠内或肠外持。

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

由于肠道具有障、免疫等各项功,恰当选择肠内的时机及给予合理成分是十分重要的。