Intestinal Inflammation Does Not Predict Nonalcoholic Fatty Liver Disease Severity in Inflammatory Bowel Disease Patients.

Carr RM, Patel A, Bownik H et al.

Division of Gastroenterology, University of Pennsylvania, 421 Curie Boulevard, 907 Biomedical Research Building II/III, Philadelphia, PA, 19104, USA. rotonya.carr@uphs.upenn.edu.

Digestive diseases and sciences. Mar 2017.

Nonalcoholic disease (NAFLD) is a common cause of hepatic in patients with inflammatory bowel disease (IBD). Both metabolic syndrome (MetS) and intestinal inflammation are implicated in NAFLD pathogenesis.We performed a retrospective cohort study of patients with IBD and NAFLD seen in our health system from January 1997 to December 2011 to examine associations between IBD severity and phenotype; MetS; and NAFLD fibrosis as estimated by the NAFLD Fibrosis Score (NFS).A total of 84 patients were included in our analysis (24 UC, 60 CD). 23% of patients had MetS. IBD patients with MetS were significantly older at the time of IBD diagnosis (44 vs. 33, p = 0.005) and NAFLD diagnosis (55 vs. 47, p = 0.018). IBD patients with MetS had higher ALT (54 vs. 38 U/L, p = 0.02) and AST (52 vs. 35 U/L, p = 0.004). Comparing MetS patients to non-MetS IBD patients, there was no significant difference between IBD medication use (i.e., steroids, anti-TNFs, and immunomodulators) or NAFLD medication use, other than statins. Both UC and CD patients with concomitant MetS had significantly higher NFS scores than non-MetS patients: UC (-0.4 vs. -2.5, p = 0.02) and CD (-0.8 vs. -2.3, p = 0.03). IBD disease severity, disease location, or IBD medication use was associated with NAFLD severity.To our knowledge, this is the first study to demonstrate that NAFLD severity in both UC and CD IBD patients is associated with the presence of MetS but not with the severity of IBD.

Pubmed

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