Nutrition in critical illness: a current conundrum.

Area of Science:

• Critical care medicine
• Clinical nutrition
• Intensive care unit (ICU) management

Background:

• Established nutrition guidelines recommend aggressive protein and calorie delivery to critically ill patients to combat catabolism.
• Current intensive care unit (ICU) practices reveal substantial underfeeding, deviating from established nutritional recommendations.
• Recent clinical trials have yielded results interpreted by some as justification for this underfeeding practice.

Approach:

• The article critically analyzes the evidence and rationale behind current intensive care unit (ICU) feeding practices.
• It examines the conflict between traditional nutritional support principles and recent trial outcomes.
• The authors propose a resolution to the paradox of underfeeding critically ill patients.

Key Points:

• Decades of physiological and clinical data support robust nutritional support for critically ill patients.
• Recent randomized trials have been controversially interpreted to endorse current underfeeding practices in ICUs.
• A significant gap exists between recommended and actual nutritional delivery in intensive care.

Conclusions:

• The current underfeeding of critically ill patients in intensive care units (ICUs) contradicts established nutritional principles and data.
• Reconciling recent trial interpretations with existing evidence is crucial for optimizing patient outcomes.
• This article aims to resolve the conundrum of nutritional support in critical care.