Efficacy and Safety Comparison Between SMOFlipid and Lipovenoes MCT

Inclusion Criteria:

1. Age between 25 ~ 75 years old
2. Postoperative (gastrectomy) patients required parental nutrition for at least 5 days
3. Signed informed consent form

Exclusion Criteria:

1. Known hypersensitivity to fish-, egg- or soy protein or to any of the active substances or excipients
2. Known type IV hyperlipidemia, disturbances in lipid metabolism or hypertriglyceridemia. If the fasting S-triglyceride value at the time of inclusion is >2.26 mmol/l (>200 mg/dl) the subject must not be included
3. Severe liver insufficiency (total serum bilirubin ≧ 3 mg/dL or parental nutrition as a contraindication.)
4. Severe renal insufficiency with need for dialysis, chronic stable renal insufficiency defined as S-creatinine value of >3mg/dL (250 µmol/l), or dialysis/hemofiltration therapy
5. Over weight (BMI> 30kg/m2)
6. Severe blood coagulation disorders
7. Inborn abnormality in amino acid metabolism
8. Unstable conditions (e.g. severe post-traumatic conditions, uncompensated diabetes mellitus, acute myocardial infarction, stroke, embolism, metabolic acidosis, severe sepsis and hypotonic dehydration)
9. Known diabetic ketoacidosis 7 days prior to randomization.
10. Acute shock
11. General contraindications to infusion therapy: acute pulmonary oedema, hyperhydration, decompensated cardiac insufficiency
12. Pregnancy or lactation
13. Chemotherapy within 7 days before start of the trial
14. Participation in another clinical study with an investigational drug or an investigational medical device within 1 month prior to start of study or during the study
15. Already accept parental nutrition therapy.