Results There were no barium spillover and intestinal mucosa injury in study group, with no significant differences between two groups(P>0.05).

结果实验组无钡剂外溢及肠黏膜损伤情况的发生，效果与对照组差异没有统计学意义（P〉0．05）。

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Objective to study the effect of portal vein occlusion on intestinal mucosa barrier in rats and the protection of ulinastatin to the injury, to present the experimental data for the clinical surgery.

目的探讨阻断大鼠门静脉对肠屏障功能的影响以及乌斯它丁对其损害的保护作用，为临床门静脉阻断后肠屏障功能的保护提供实验依据。

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