290 likes | 959 Views
Protein Status. Anthropometric Biochemical Clinical physical exam medication information Dietary. Protein Status. Clinical physical exam. McClaren 41. Hair is dull, dry, lacks lustre. Kwashiorkor and marasmus. McClaren 42. ‘Flag-sign’ of marasmus and kwashiorkor.
E N D
Protein Status • Anthropometric • Biochemical • Clinical • physical exam • medication information • Dietary
Protein Status • Clinical • physical exam
McClaren 41. Hair is dull, dry, lacks lustre. Kwashiorkor and marasmus.
McClaren 40. Moon face of kwashiokor.
Protein Status • Two compartment model • somatic protein is muscle • visceral protein is organs, RBC, lymphocytes, serum proteins
Protein Status • Somatic protein stores • Arm muscle circumference • Arm muscle area • Gender and age specific
Protein Status • Visceral protein • organs • rbc • granulocytes • lymphyocytes • serum proteins
Protein Status • Guidelines interpreting AMA • <5th percentile = wasted, no muscle stores • 5th to <15th = below average • >15th to <85th =average • >85th to <95th = above average • >95th = high muscle
Protein Status • Somatic protein stores • 30% total body protein • Visceral protein stores • 50% total body protein
Protein Status • Visceral protein stores • Albumin • 3.5 - 5.0 g/dL or 35 - 50 g/L • Half-life is 14 - 21 days
Protein Status • Alb • Responds slowly to nutritional repletion • Poor indicator of nutritional support in acute care • Better for initial assessment
Protein Status • Prealbumin, thyroxine-binding pre-albumin, transthyretin • 20 - 50 mg/dL • Half-life is 2 to 3 days
Protein Status • Prealbumin • More sensitive measuring nutritional therapy • Decreased in trauma and infection
Protein Status • TLC • Protein malnutrition causes decrease in TLC • Do not use in immunocompromised pt.
Protein Status • CBC with differential count • WBC X %lymphocytes • 12,300 X .25 = 3,075 cells/mm3
Protein Status • Normal WBC • 4,500 - 11,000 cells/mm3 • Normal %lymphocytes • 20 - 40% • Normal TLC • 2,000 cells/mm3
Protein Status • TLC • severe delpletion is < 800 cells/mm3 • moderate is 800 - 1199 cells/mm3 • mild is 1,200 - 1,800 cells/mm3
Protein Status • TLC • Practice looking at a CBC form
Protein Energy Malnutrition • No risk • Alb >3.2 g/dL • Prealb >17 mg/dL • Moderate risk • Alb 2.5 - 3.2 g/dL • Prealb 10 to 17 mg/dL
PEM • Severe risk • Alb <2.5 g/dL • Prealb <10 mg/dL
PEM • Using Alb and weight loss • Criteria grid, Funk & Ayton, JADA, 1995
Criteria grid for determining malnutrition dx. Funk & Ayton, JADA, 1995
PEM • Using Diagnostic Related Groups of the International Disease Classification system
PEM • Case 1 • wt is 75% of wt/ht • Alb 4.0 g/dL • Case 2 • wt is 93% of wt/ht • TLC 1,000 cells/mm3
PEM • Case 3 • wt is 80% of wt/ht • Alb 3.0 g/dL
Summary Protein Status • Somatic protein • Visceral protein • Dietary intake • Physical exam or clinical • Anthropometrics
END • Questions on protein status?