Question

Explain the reason for Total Parental Nutrition. What information is necessary in order to calculate nutrtional requirements for diets receiving total perental nutrition?

Answer 1

TOTAL PARENTERAL NUTRITION (TPN):-
- It is a method of getting nutrition into body through the veins.
- it is given through large central vein.

INDICATION:-
- TPN is used when individuals cannot get their nutrition through eating.
1. Intestinal obstruction
2. Malabsorption or no absorption from small intestine.
3. IBD (Inflammatory bowel disease)
4. Pancreatitis
5. Severe burns
6. Major surgery
7. Chemotherapy

NUTRITIONAL REQUIREMENTS IN TPN:-
- TPN is prepared by sterile techniques.
- Normally, 2 L/day of the standard solution is needed.
- 4- 5 mg/kg/min of dextrose is given.
- 20 to 30% of total calories are usually supplied as lipids.
- lipid emulsions are often added to supply essential fatty acids and triglycerides.