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Systemic Consequences of Inflammatory Bowel Disease Beyond Immune-Mediated Manifestations

A. Caballero-Mateos,E. Brunet-Mas,Beatriz Gros

Published 2025 in Journal of Clinical Medicine

ABSTRACT

Inflammatory bowel disease (IBD) management traditionally focuses on intestinal inflammation, yet extraintestinal manifestations can substantially impair patient quality of life. In this perspective, we emphasize the broad systemic impact of IBD—from highly prevalent conditions such as anemia, metabolic dysfunction-associated steatotic liver disease, or fatigue to rare but severe complications like interstitial lung disease and drug-induced glomerulonephritis. We review underlying mechanisms linking gut inflammation to distant organs, including immune dysregulation, microbial translocation, and metabolic derangements. Advances in diagnostics—such as biomarker panels, high-resolution imaging, and genomic/microbiome profiling—enable early detection and risk stratification. Emerging therapies, including targeted biologics (anti-TNF, anti-integrin, anti-IL-23), JAK and S1P modulators, precision nutrition, and microbiome modulation, offer new opportunities to address systemic inflammation. A multidisciplinary framework integrating gastroenterology with hepatology, hematology, neurology, nephrology, endocrinology, dermatology, pulmonology, and cardiology is essential to recognize hidden complications, facilitate timely intervention, and deliver personalized, comprehensive care for IBD.

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