The Effect of Rhubarb on Sepsis and Post-traumatic Gastrointestinal Function Failure

Inclusion Criteria:

1. Age:18-65 year old;
2. Diagnosis: sepsis with gastrointestinal dysfunction (II-III grade AGI); gastrointestinal dysfunction after trauma (II-III AGI);
3. Complete gastrointestinal tract anatomic structure（including the ileum and colon stoma）

Exclusion Criteria:

1. Hemodynamic instability;
2. Underlying diseases: cardiac function III~IV, chronic liver dysfunction Child-Pugh score >9 points;
3. Less than 5 days after surgery for stomach and small intestine，less than 7 days after Colonic surgery, Postoperative gastrointestinal leakage;
4. Abdominal Compartment Syndrome;
5. mechanical ileus
6. active gastrointestinal hemorrhage