Sacroiliitis, NAFLD, IMIDs -Concurring Problems with Inflammatory Bowel Disease

I Levine et al. Inflamm Bowel Dis 2021; 809-815. Prevalence, Predictors, and Disease Activity of Sacroiliitis Among Patients with Crohn’s Disease

Key findings in this cross-sectional retrospective study (n=258, median age 30 yrs):

  • Overall, 17% of patients had MRI evidence of sacroiliitis, of whom 73% demonstrated bone marrow edema.
  • Female gender, back pain, and later age of CD diagnosis were associated with sacroiliitis (P = 0.05, P < 0.001, P = 0.04, respectively).
  • Disease activity (clinical, endoscopic, and radiographic), disease location and CD therapy were not associated with sacroiliitis on MRE.
  • More than two-thirds with MRE evidence of sacroiliitis were never seen by a rheumatologist.

A Lin et al. Inflamm Bowel Dis 2021; 947-955. Prevalence of Nonalcoholic Fatty Liver Disease in Patients With Inflammatory Bowel Disease: A Systematic Review and Meta-analysis

Key finding:

  • Data pooled from 27 studies showed the prevalence of NAFLD among IBD patients was 32% (substantial heterogeneity); this is “statistically significantly higher than the prevalence of NAFLD in the general population (25.2%; P < 0.001)”

M Attauabi et al. Inflamm Bowel Dis 2021; 927-939. Systematic Review with Meta-analysis: The Impact of Co-occurring Immune-mediated Inflammatory Diseases on the Disease Course of Inflammatory Bowel Diseases

A total of 93 studies were identified, comprising 16,064 IBD patients with co-occurring IMIDs and 3,451,414 IBD patients without IMIDs. IMIDs included the following:

  • Unspecified autoimmune disease
  • Diabetes type 1
  • Asthma
  • Grave disease
  • Spondyloarthropathy
  • Ankylosing spondylitis
  • Iridocyclitis
  • Uveitis
  • Rheumatoid arthritis
  • Polymyalgia rheumatica
  • Psoriasis/psoriatic arthritis
  • Primary Sclerosing Cholangitis
  • Celiac disease
  • Pyoderma gangrenosum
  • Pernicious anemia
  • Autoimmune hepatitis
  • Sarcoidosis
  • Giant cell arteritis
  • Primary biliary cholangitis
  • Hashimoto thyroiditis
  • Episcleritis
  • Sjogren syndrome

Key findings: Patients with IBD and co-occurring IMIDs were at increased risk of having extensive colitis or pancolitis (risk ratio, 1.38; 95% Cl, 1.25–1.52; < 0.01, I2 = 86%) and receiving IBD-related surgeries (risk ratio, 1.17; 95% Cl, 1.01–1.36; P = 0.03; I2 = 85%) compared with patients without IMIDs

Image below from Bahia Honda State Park (FL)

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