Nutrition

Question 1

Parenteral nutrition

Answer 1

Contains:
- Amino acids
- Glucose
- Electrolytes
- Trace elements
- Vitamins

Question 2

SPN

Answer 2

Supplementary parenteral nutrition
- Given in addition to oral/enteral feeds

Question 3

TPN

Answer 3

Total parenteral nutrition
- Sole source of nutrition
- Glucose via central vein to avoid thrombosis.
- Give enough phosphate to allow phosphorylation of glucose.
- Fructose + sorbitol to avoid hyperosmolar hyperglycaemic nonketotic acidosis.
- Do not add additives to fat emulsions unless compatibility is known.