Estimating Nutrition Needs Flashcards
a person is catabolic under these 3 conditions
malnutrition, hypermetabolism, inflammation
Why is protein catabolized rapidly during stress?
for utilization of amino acids for gluconeogenesis
during the metabolic stress response, energy expenditure is ______
increased
during the metabolic stress response, nitrogen losses are
increased
during the metabolic stress response protein synthesis is
increased
during the metabolic stress response blood sugar
increases (hyperglycemia)
during the metabolic stress response, clearance of fatty acids _____ leading to hypertriglyceridemia
decreased
RDA of protein for healthy adults
0.8- 1
If a patient’s BMI is <30 in the ICU protein needs can be estimated at
1.2-1.5 g/kg actual body weight
Indications to use indirect calorimetry
BMI <20.5, BMI >80, concern for overfeeding, unexplained high vent needs
contraindications of indirect calorimetry
chest tube leak, ET cuff leak, ECMO, FIo2 >60%, claustrophobia, high volume overload, recent HD
If performing IC on a continuously fed patient, how long should the TF be held?
7 hours
If performing IC on a bolus fed patient, how long should the TF be held?
4 hours
How often should IC be performed in the critically ill?
every 3-4 days
Name the essential amino acids
Tyrosine, Valine, Isoleuicine, leuicine, phenylalanine, methionine, histidine, tryptophan, lysiene
what are the conditionally essential amino acids
Glutamine, Cysteine, Tuarine
when is calculating nitrogen balance inaccurate
renal dysfunction, high output fistula/ostomy
how is nitrogen balance measured
urine urea nitrogen in 24 hour collection
adult fluid needs for cardiac and kidney injury
20-25 mL/kg or less
adult fluid needs for ages 18-55
35mL/kg
adult fluid needs for ages 56-75
30mL/kg
adult fluid needs for ages over 70
25mL/kg
a 65 year old male with an ideal body weight of 66 kg with heart failure. How much water is appropriate
1320-1650mL
Choline repletion is only available in EN or PN form
EN
Choline deficiency is prominent in PN patients and preemies because
it is not available in PN
primary food sources of long chain fatty acid
beef, pork, lamb, saturated palm and coconut oil
food sources of omega 3 fatty acids
marine oils
food sources of omega 6 fatty acids
plant oils, flax, grains, poultry, eggs
