C9 Metabolic Stress

Question 1

Describe conditions that lead to metabolic stress.

Answer 1

• Sepsis
• Trauma
• Surgery

Question 2

Provide some examples of the body’s response towards metabolic stress.

Answer 2

• Muscle wasting
• Lowered body temperature
• Drop in insulin levels
• Decreased cardiac output
• Decreased oxygen consumption
• Accelerated metabolism of lean body mass

Question 3

Compare between starvation and stress.

Answer 3

• Starvation is characterized by decreased energy expenditure, use of alternative fuels, decreased protein wasting, and depletion of glycogen stores.
• Stress is a hypermetabolic state in which energy expenditure, glucose production, glucose cycling, and muscle breakdown is accelerated.

Question 4

Describe nutritional therapy for individuals suffering from metabolic stress.

Answer 4

• Normal energy intake
• 1.5-2.0 g/kg protein
• 60-70% carbs
• 15-40% fats

Question 5

What are some supplements that administered to patients with metabolic stress?

Answer 5

• Glutamine
• Omega-3 fatty acids
• Arginine
• Branched chain amino acids
• RNA

Question 6

What are the protein requirements for a person suffering from traumatic brain injury?

Answer 6

• 1.5-2.2 g/kg