Objective To evaluate the efficiency of putting nasointestinal tube (NIT) in high risk patients with gastroplegia.

要目的评价术中预防性肠管在胃瘫危人群中的。

To study effective methods of promoting the rehabilitation of the patients with gastroplegia (GP) after operation on abdominal region (OAR).

要探讨促进腹部术后胃瘫病人康复的有效方法。