Determine Mitch's energy and protein requirements for weight maintenance. What energy and protein intakes would you recommend to assist with weight loss?
What will be an ideal response?
• Energy: Mifflin-St. Jeor using his UBW since he should rapidly regain his lost water weight.
REE = 10 x W(kg) + 6.25 x Ht(cm) - 5 x A(yrs) +5
REE = 10 x 103.6 kg + 6.25 x 175.26 cm - 5 x 53 yrs + 5 = 1872 kcal/day
TEE = 1872 kcal/day x 1.3 = 2433 kcal/day or 2300-2500 kcal/day
For weight loss (1 lb/wk): 2300-2500 kcal/day - 500 kcal = 1800-2000 kcal/day
• Protein: 0.8-1.0 g/kg. IBW: 72.7 kg x 0.8-1.0 = 58-73 g protein/day.
Pt. range for protein would be 15-20% of daily calories.
For weight maintenance, if pt. consumes 2400 kcal per day, 2400 kcal x 0.20 = 480 kcal / 4 kcal/g = 120 g protein. 2400 kcal x 0.15 = 360 kcal / 4 kcal/g = 90 g. 90-120 g/day.
For weight loss, if pt. consumes 1900 kcal per day, 1900 kcal x 0.20 = 380 kcal / 4 kcal/g = 95 g protein. 1900 kcal x 0.15 = 285 kcal / 4 kcal/g = 71 g. 71-95 g protein/day.
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