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9.a Nutritional Assessment
BrownMed
52
Business
Undergraduate 4
10/12/2010

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Term
nutritional assessment (5)
Definition
medical history, nutrition history, physical examination, anthropometric measurements, lab data
Term
malnutrition
Definition
any disorder of nutrition status resulting from deficiency of nutrient intake, impaired nutrient metabolism, overnutrition
Term
important to distinguish between these types of malnutrition
Definition
uncomplicated starvation, obesity, malnutrition caused by disease or trauma
Term
as you age, what happens to your body comp?
Definition
fat goes up, everything else goes down
Term
consequences of malnutrition
Definition
growth retardation> cell-mediated immunity lost> pneumonia> too weak to walk> bed sores> death. longer hospital stay, high medical costs, poor wound healing
Term
hunger
Definition
calorie and protein deficiency, affects children the most
Term
micronutrient deficiency
Definition
vitamin and mineral deficiency: most common = iodine, iron (easily tested), vitamin A (associated with night blindness)
Term
micronutrient deficiency
Definition
vitamin and mineral deficiency: most common = iodine, iron (easily tested), vitamin A (associated with night blindness)
Term
hospital malnutrition statistics
Definition
69% have a decline in nutrition status during hospitalization. 30-50 are malnourished upon entering, 30 will become malnourished during hospitalization
Term
most nursing home patients are malnourished
Definition
23-85%. 32-50% hospitalized patients
Term
primary protein energy malnutrition
Definition
inadequate food intake: biological, social, economic, environment
Term
secondary protein malnutrition
Definition
disease -> inadequate nutrient absorption, increased requirements, increased losses
Term
causes of malnutrition
Definition
decreased sense of taste/smell, loss of vision/hearing = decreased function, oral health problems, sarcopenia = decreased function, poor diet quality / limited access to food, depression = lower appetite
Term
dysphagia
Definition
trouble swallowing
Term
dysgeusia
Definition
loss of taste
Term
pain related eating problems
Definition
pain medicines make people sleep more and therefore eat less; people who have pain with eating don't want to eat
Term
surgical resections of GI tube result in
Definition
inadequate absorption (certain areas absorb certain things)
Term
mucositis
Definition
inflammation in mouths of immunosuppressed patients
Term
xerostomia
Definition
dryness in mouth
Term
food aversion
Definition
happens when chemo makes a person throw up after a certain meal, they don't want that meal again for a long time
Term
anorexia
Definition
elderly are at risk for this
Term
risk factors for being unable to eat oral diet in ICU
Definition
intubation, trauma surgery, emergency bowel surgery, burn, pain management
Term
increased energy expenditure
Definition
burn victims, trauma. skinny people are hyPOmetabolic
Term
marasmus
Definition
chronic wasted state
Term
kwashiorkor
Definition
protein deficiency w/ painless pitting edema. often happens when babies start on formula and their mothers dilute the formula. presents with fatigue and depigmentation
Term
mild =
Definition
acute / calorie deficiency
Term
moderate =
Definition
chronic / protein deficiency
Term
severe =
Definition
both acute and chronic, both protein and calorie deficiency
Term
wasting
Definition
deficit in weight for height
Term
stunting
Definition
deficit in height for age
Term
failure to thrive
Definition
when a child's growth chart follows the curve and then dives down across at least 2 channels
Term
significant-severe percent weight loss
Definition
a wk - 2%, month - 5%, 3 months - 7.5%, 6 months - 10%
Term
anthropometrics
Definition
not sensitive to acute changes (body water, rapid weight change etc.)
Term
bed rest may cause
Definition
muscle atrophy
Term
what's most useful in determining a patient's body composition?
Definition
pre-illness/injury weight and weight history
Term
serum hepatic proteins / halflives
Definition
albumin (19 days), transferrin (9 days), prealbumin (2-3 days), retinol binding protein (12 hours). ALL negative acute-phase reactants.
Term
hypoalbuminemic patients
Definition
have poor outcomes (strong predictor of postoperative 30 day mortality), but providing nutrition may not help. the score is hard to interpret (based both on undernutrition and illness effects)
Term
serum albumin
Definition
binds and transports small molecules, maintains oncotic pressure. elevated in dehydration, low in chronic unstressed malnutrition and protein-losing enteropathy
Term
serum hepatic proteins that are altered in liver disease
Definition
albumin, transferrin
Term
serum hepatic proteins that are altered in kidney failure
Definition
albumin, prealbumin, retinol binding protein
Term
transferrin
Definition
iron-binding protein. elevated in iron deficiency, chronic blood loss, pregnancy. decreased in cirrhosis, nephrotic syndrome, protein-losing enteropathy, diet protein deficiency.
Term
prealbumin
Definition
thyroxine-binding protein. highly sensitive to dietary deprivation; used to monitor response to nutritional therapy.
Term
retinol-binding protein
Definition
bound to prealbumin; vitamin A transport. decreased with vitamin A deficiency, used to monitor response to nutritional therapy.
Term
C-reactive protein
Definition
general marker of infection and inflammation. predictor of recovery in ICU, inversely related with prealbumin
Term
nutrional risk, no inflammation
Definition
starvation-related malnutrition
Term
nutritional risk + mild inflammation
Definition
chronic-disease related malnutrition
Term
nutritional risk + marked inflammation
Definition
acute disease or injury related malnutrition
Term
physical examination
Definition
check overall appearance, oral cavity, do abdominal exam. check for edema, jaundice, triceps fat pads, prominence of rib cage, hollowing of temples or interosseous muscles.
Term
poor skin turgor
Definition
skin with decreased turgor remains elevated after being pulled up and released
Term
patient-generated subjective global assessment (5)
Definition
weight loss, nutrient intake, nutrition impact symptoms, functioning, physical exam
Term
subjective global assessment is more ____ than ____
Definition
specific than sensitive
Term
hospitalized patients at nutritional risk
Definition
diarrhea, malabsorptive disorders, cancer with ongoing treatment, inflammatory bowel disease, long ICU stay (more than 5 days), advanced age, hepatic/renal failure, cognitive dysfunction, sepsis, inability to eat (because of procedure done) within 5-7 days
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