Advances in Nutritional and Therapeutic Strategies for Type 2 Intestinal Failure: A Narrative Review
Abstract
This narrative review aims to examine the nutritional consequences of type 2 intestinal failure (T2IF), assess current nutritional therapies, and explore advanced methodologies to address feeding challenges. Type 2 intestinal failure is characterized by severe nutrient malabsorption, micronutrient deficiencies, and disease-related malnutrition, compounded by complications such as microbiota disruption. Effective nutritional management is essential to improve clinical outcomes, yet an evidence gap hinders the establishment of standardized care guidelines. A literature search was conducted using major databases to identify clinical trials, cohort studies, and reviews on clinical nutrition and intestinal failure. Findings were analyzed narratively due to study design heterogeneity. Type 2 intestinal failure presents significant risks of disease-related malnutrition, inflammation, and muscle wasting due to impaired nutrient absorption and prolonged immobility. Optimizing protein and dietary fiber intakes is essential to preserve muscle mass and gut health. Parenteral nutrition (PN) remains essential but prolonged reliance may contribute to delayed intestinal adaptation and mucosal atrophy, highlighting the need for gut-focused strategies. Adjunct therapies, such as glucagon-like peptide 2 and somatostatin analogs, support intestinal adaptation but inadequately address protein, dietary fiber, and micronutrient requirements. Chyme reinfusion therapy, which returns nutrient-rich…
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