Outcomes of Children Whose Mothers Have Inflammatory Bowel Disease

A recent study (LR Jolving et al. Inflamm Bowel Dis 2017; 23: 1440-46) used a nationwide (Denmark) register-based cohort to examine the health outcomes of children whose mothers have inflammatory bowel disease (IBD).  This cohort of 9238 children were compared with nearly 1.4 million children born to women without IBD. Median follow-up time was 9.7 years of the children whose mothers had IBD.

Key findings:

  • Hazard ratio for developing IBD in the offspring was 4.63 if maternal ulcerative colitis
  • Hazard ratio for developing IBD in the offspring was 7.70 if maternal Crohn’s disease
  • “Our data otherwise do not provide evidence for an increased risk of any of the other examined diseases in the offspring.” This included diabetes mellitus, thyroid diseases, rheumatoid arthritis, epilepsy, chronic lung disease, mood disorders, schizophrenia, epilepsy, and anxiety disorders.

Raw numbers for developing IBD:

My take: This study documents the expected finding of an increased risk of IBD among the offspring of women with IBD. No other chronic diseases were increased in this study.

Briefly noted: SM Yoon et al. Inflamm Bowel Dis 2017; 23: 1382-93.  This retrospective registry study included the following:

  • 314 subjects with Crohn’s disease (CD) who were primary nonresponders, and 179 with CD who were secondary nonresponders
  • 145 subjects with ulcerative colitis (UC) who were primary nonresponders and 74 with UC who were secondary nonresponders

Key findings: “Colonic involvement (OR 8.0) and anti-TNF monotherapy (OR 4.9) were associated with primary nonresponse to anti-TNF agents in CD.” Higher ANCA levels in UC (HR 1.6) were associated with time to loss of response to anti-TNF agents.



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