• Rob J J van Gassel, Julia L M Bels, and van de PollMarcel C GMCGDepartment of Intensive Care Medicine.Department of Surgery, Maastricht University Medical Centre.NUTRIM School for Nutrition and Translational Research in Metabolism, Maastricht University, The Netherlands..
• Department of Intensive Care Medicine.
• Curr Opin Crit Care. 2023 Aug 1; 29 (4): 354359354-359.

Purpose Of ReviewGastrointestinal (GI) dysfunction is common among critically ill patients and is associated with poor outcomes. In particular, nutrient delivery can be impaired in patients with GI dysfunction and pose a significant challenge to clinicians in daily clinical practice. This review aims to summarize the impact of GI dysfunction on nutrition therapy during critical illness and provide an update on recent advances in nutritional strategies during gastrointestinal dysfunction.Recent FindingsAlthough prognostic gastrointestinal dysfunction scoring systems exist, a lack of clear, uniform definitions of GI dysfunction limits diagnosis and subsequent adequate treatment. Recent studies have further investigated separate components of GI dysfunction in ICU patients, including the role of altered GI motility, nutrient digestion and absorption and the metabolic consequences of gut dysfunction. Various strategies to improve nutrient delivery are discussed. However, the evidence supporting their routine use is sometimes lacking.SummaryGI dysfunction frequently occurs during critical illness and negatively affects nutrition therapy. Strategies to improve nutrient delivery during GI dysfunction are available, though more research into the diagnosis and pathophysiology of GI dysfunction will likely further improve patient outcomes.Copyright © 2023 The Author(s). Published by Wolters Kluwer Health, Inc.

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