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Immunonutrition in the intensive care unit. A systematic review and consensus statement.
Juan C Montejo1, Antonio Zarazaga, Jorge López-Martínez
1Intensive Care Unit Hospital Universitario 12 de Octubre, Madrid, Spain.
Clinical Nutrition (Edinburgh, Scotland)
|May 27, 2003
Summary
Enteral nutrition enriched with pharmaconutrients in critically ill patients reduced infections and length of stay, but not mortality. These findings support a Grade B recommendation for using these specialized diets in intensive care units.
Area of Science:
- Critical Care Medicine
- Nutritional Support
- Clinical Nutrition
Background:
- Critically ill patients often require nutritional support to improve outcomes.
- Pharmaconutrients, specific nutrients with therapeutic effects, are increasingly studied in critical care.
- The efficacy of pharmaconutrient-enriched enteral diets in this population requires systematic evaluation.
Framework:
- Systematic review and meta-analysis of randomized clinical trials.
- Inclusion criteria: Critically ill patients receiving enteral nutrition with pharmaconutrient-enriched diets versus standard diets.
- Outcome assessment: Infectious complications, mechanical ventilation duration, ICU and hospital length of stay, and mortality.
Implementation:
- A comprehensive literature search identified 26 relevant studies.
- Data extraction and statistical analysis were performed by expert methodologists.
- Subgroup analyses were conducted based on patient diagnosis (surgical, trauma, burned, medical).
Implications:
- Pharmaconutrient-enriched diets significantly reduced infection rates (abdominal abscesses, pneumonia, bacteremia) and length of stay (mechanical ventilation, ICU, hospital).
- No significant effect on mortality was observed.
- Despite subgroup variations and data limitations, a Grade B recommendation supports the use of these diets in ICU patients, warranting further research for optimal patient selection.