IBD Shorts -October 2019

Briefly noted:

D Piovani et al. Gastroenterol 2019; 157: 647-59.  This study examined environmental risk factors for inflammatory bowel disease after extensive literature review and assessment of meta-analysis.

9 factors that were associated with increased risk of IBD:

  • smoking (CD)
  • urban living (CD & IBD)
  • appendectomy (CD)
  • tonsillectomy (CD)
  • antibiotic exposure (IBD)
  • oral contraceptive use (IBD)
  • consumption of soft drinks (UC)
  • vitamin D deficiency (IBD)
  • Heliobacter species (non-Helicobacter pylori-like) (IBD)

7 factors that associated with reduced risk of IBD:

  • physical activity (CD)
  • breatfeeding (IBD)
  • bed sharing (CD)
  • tea consumption (UC)
  • high folate levels (IBD)
  • high vitamin D levels (CD)
  • H pylori infection (CD, UC, and IBD)

EL Barnes et al. Inflamm Bowel Dis 2019; 1474-80. In this review which identified 12 studies and 4843 with an IPAA ( ileal pouch-anal anastomosis) for ulcerative colitis, 10.3% were ultimately diagnosed with Crohn’s disease. Link to full text and video explanation: The Incidence and Definition of Crohn’s Disease of the Pouch: A Systematic Review and Meta-analysis

EV Loftus et al. Inflamm Bowel Dis 2019; 1522-31. In this study with 2057 adalimumab-naive patients, “the proportion of patients in HBI remission increased from 29% (573 of 1969; baseline) to 68% (900 of 1331; year 1) and 75% (625 of 831; year 6). Patients stratified by baseline immunomodulator use had similar HBI remission rates.”  Full text: Adalimumab Effectiveness Up to Six Years in Adalimumab-naïve Patients with Crohn’s Disease: Results of the PYRAMID Registry

The following study was summarized in previous blog: Oral Antibiotics For Refractory Inflammatory Bowel Disease  Full text link: Efficacy of Combination Antibiotic Therapy for Refractory Pediatric Inflammatory Bowel Disease

Washington Park, Portland, OR

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