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Related Experiment Videos

Hypocaloric support in the critically ill.

J F Patiño1, S E de Pimiento, A Vergara

  • 1Metabolic and Nutritional Support Service, Fundación Santa Fe de Bogotá, Calle 123 No. 8-20, Bogotá, D.C., Colombia.

World Journal of Surgery
|May 5, 1999
PubMed
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Critically ill patients benefit from a hypocaloric-hyperproteic nutritional regimen. This approach reduces metabolic stress and hyperglycemia compared to high-calorie total parenteral nutrition (TPN).

Area of Science:

  • Critical care medicine
  • Metabolic adaptation
  • Nutritional support

Background:

  • Critically ill patients experience a metabolic stress response including hypermetabolism, hypercatabolism, and hyperglycemia.
  • High glucose-containing nutrition can worsen these metabolic derangements and cardiovascular stress.

Purpose of the Study:

  • To evaluate a hypocaloric-hyperproteic nutritional regimen in critically ill patients.
  • To compare its effects against standard hypercaloric nutrition.

Main Methods:

  • A hypocaloric-hyperproteic regimen (100-200g glucose, 1.5-2.0g protein/kg/day) was administered to 107 critically ill patients for at least 3 days.
  • Data from patients receiving this regimen were analyzed.

Main Results:

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  • Hypercaloric total parenteral nutrition (TPN) increases metabolic stress, CO2 production, and risk of hepatic steatosis.
  • The hypocaloric-hyperproteic regimen promoted a more physiological course and reduced costs.
  • High glucose loads exacerbated hyperglycemia without suppressing endogenous glucose production.

Conclusions:

  • A hypocaloric-hyperproteic nutritional approach is more aligned with the initial stress response phase in critically ill patients.
  • This regimen appears beneficial compared to routine hypercaloric TPN, improving clinical outcomes and reducing costs.