Effect of Nutritional Support and Early Rehabilitation on Sepsis

Patients in high-protein group will be given a target protein amount of 2.0 g/kg/d. Standard enteral nutrition is the first choice,the remaining target value will be met by intravenous amino acid infusion.

In this trial, the investigator will provide early rehabilitation treatment such as respiratory training, bicycle training, and medium frequency electrical stimulation to patients.

The investigator set a protein target of 1.2 g/Kg/d for the standard protein group, which will be supplied enterally or parenterally.