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Impact of IV Gadolinium in Assessment of IBD by MRE

J Magn Reson Imaging; ePub 2018 Mar 5; Lanier, et al

Routine administration of intravenous (IV) gadolinium has no impact on the assessment of bowel inflammation, a recent study found. The retrospective case study identified children who underwent MR enterography (MRE) and endoscopy within 30 days in 2016. Imaging studies were evaluated for bowel inflammation interpreted by 2 blinded radiologists in 2 sessions 6 weeks apart. Researchers found:

  • 52 children (mean age 13.2 years; 46% female) were included.
  • 77% had inflammation on endoscopic biopsy.
  • Pre/post-MRE showed no significant increase in the c-statistic compared to pre-MRE for assessment of small bowel or large bowel inflammation.
  • IV contrast showed no improvement in interobserver agreement for assessment of inflammation in small or large bowel.
  • Assessment of inflammatory bowel disease (IBD) complications was improved with IV contrast.

Citation:

Lanier MH, Shetty AS, Salter A, Khanna G. Evaluation of noncontrast MR enterography for pediatric inflammatory bowel disease assessment. [Published online ahead of print March 5, 2018]. J Magn Reson Imaging. doi:10.1002/jmri.25990.