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Related Experiment Videos

Metabolic vs nutrition support: a hypothesis.

Peter A Burke1, Lorraine S Young, Bruce R Bistrian

  • 1Boston University School of Medicine, Boston, Massachusetts, USA.

JPEN. Journal of Parenteral and Enteral Nutrition
|September 21, 2010
PubMed
Summary

Early nutrition improves outcomes for critically ill patients. A new approach uses hypocaloric feedings with protein and intensive insulin therapy to manage inflammation and improve protein balance post-injury.

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Area of Science:

  • Critical care medicine
  • Metabolic response to injury
  • Nutritional support

Background:

  • Early feeding post-injury benefits critically ill patients.
  • Current guidelines recommend early enteral nutrition, but it's often protein-inadequate in the first week.
  • Intensive insulin therapy can help manage hyperglycemia (<150 mg/dL) and inflammation.

Purpose of the Study:

  • To propose a novel metabolic support strategy for the first week post-injury.
  • To modulate the systemic inflammatory response and improve clinical outcomes.
  • To investigate the efficacy of hypocaloric feeding with high protein and intensive insulin therapy.

Main Methods:

  • Hypocaloric feedings (9-18 kcal/kg, 50%-75% RMR) using intravenous dextrose.
  • Supplementation with at least 1 g/kg protein as intravenous amino acids.
  • Intensive insulin therapy to maintain glucose homeostasis.

Main Results:

  • This regimen aims to promote protein synthesis and reduce catabolism.
  • It is hypothesized to positively influence the duration and intensity of the inflammatory response.
  • Potential for improved clinical outcomes in acutely injured patients.

Conclusions:

  • A trial of early metabolic support with hypocaloric, high-protein, IV-fed regimens is proposed.
  • This approach, combined with intensive insulin therapy, may be a safe and efficacious strategy.
  • The goal is to optimize the inflammatory state and patient outcomes.