Gastrointestinal function in critically ill patients.

Reintam Blaser, Annika; Bachmann, Kaspar F; Deane, Adam M (2023). Gastrointestinal function in critically ill patients. Current opinion in clinical nutrition and metabolic care, 26(5), pp. 463-469. Lippincott, Williams & Wilkins 10.1097/MCO.0000000000000955

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PURPOSE OF REVIEW

To summarize recent evidence regarding the diagnosis of acute gastrointestinal dysfunction and enteral feeding intolerance, and relationship of these to development of multiple organ dysfunction syndrome, during critical illness.

RECENT FINDINGS

Novel gastric feeding tubes that attenuate gastroesophageal regurgitation or facilitate continuous monitoring of gastric motility have been developed. The definition of enteral feeding intolerance remains controversial, which may be resolved using a consensus process. A novel scoring system for gastrointestinal dysfunction (GIDS - GastroIntestinal Dysfunction Score) was recently developed but it is not yet validated or tested to evaluate the effect of any interventions. Studies of biomarkers to identify gastrointestinal dysfunction have yet to yield a suitable biomarker for daily clinical use.

SUMMARY

The assessment of gastrointestinal function in critically ill patients continues to rely on complex daily clinical assessment. Scoring systems, consensus definitions and novel technology appear the most promising tools and interventions to improve patient care.

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