why is malnutrition bad?
- reduction in lean muscle mass
- alterations in respiratory mechanics
- impaired immune function
- intestinal atrophy
- diminished wound healing
- predisp. to infection
- increased postop morbidity
Some lab tests you could order to assess nutrition?
- serum albumin (<3.5 is bad)
- transferrin (good to assess nutrition repletion...<250 is bad)
When would you put someone on parental nutrition?
When GI tract is totally out of service.
PPN=peripheral parenteral nutrition
TPN=parenteral nutrition thru central line
Pro's of enteral nutrition?
- safer and less expensive than parenteral
- preserves gut function
- results in fewer "all-source" infections
Define regular diet:
- unrestricted spectrum of foods
- avg total caloric content of 1800-2100 kcal
Define clear liquid diet:
- adequate water with 500-1,000 kcal as simple sugar and some electrolytes
- no fiber, minimal digestive or intestinal motility
- used for pts with post op ileus, acute gastroenteritis, obstruction and prep for gastric procedures
Define full liquid diet:
- adequate water and calories/protein
- dairy products, soups, eggs and soft cereals + clear liquids
- used following clear liquid diet to advance diet
Define soft diet:
- "tender foods are used" - thanks Current, thats really clear
- used inbetween full liquid and regular diet
Define sodium restricted diet: