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Rigshospitalet - en del af Københavns Universitetshospital
Udgivet

Atopic dermatitis is associated with an increased risk for rheumatoid arthritis and inflammatory bowel disease, and a decreased risk for type 1 diabetes

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

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  • Jochen Schmitt
  • Kristin Schwarz
  • Hansjörg Baurecht
  • Melanie Hotze
  • Regina Fölster-Holst
  • Elke Rodríguez
  • Young A E Lee
  • Andre Franke
  • Frauke Degenhardt
  • Wolfgang Lieb
  • Christian Gieger
  • Michael Kabesch
  • Markus M Nöthen
  • Alan D Irvine
  • W H Irwin McLean
  • Stefanie Deckert
  • Victoria Stephan
  • Peter Schwarz
  • Martin Aringer
  • Natalija Novak
  • Stephan Weidinger
Vis graf over relationer

BACKGROUND: Atopic dermatitis (AD) is characterized by epidermal barrier failure and immune-mediated inflammation. Evidence on AD as a potential risk factor for inflammatory comorbidities is scarce.

OBJECTIVES: We sought to test the hypothesis that prevalent AD is a risk factor for incident rheumatoid arthritis (RA) and inflammatory bowel disease (IBD; Crohn disease [CD], ulcerative colitis [UC]) and is inversely related to type 1 diabetes (T1D) and to investigate established RA, IBD, and T1D susceptibility loci in AD.

METHODS: This cohort study used data from German National Health Insurance beneficiaries aged 40 years or younger (n = 655,815) from 2005 through 2011. Prevalent AD in the period 2005 to 2006 was defined as primary exposure, and incident RA, IBD, and T1D in the period 2007 to 2011 were defined as primary outcomes. Risk ratios were calculated with generalized linear models. Established RA, IBD, and T1D loci were explored in high-density genotyping data from 2,425 cases with AD and 5,449 controls.

RESULTS: Patients with AD (n = 49,847) were at increased risk for incident RA (risk ratio [RR], 1.72; 95% CI, 1.25-2.37) and/or IBD (CD: RR, 1.34; 95% CI, 1.11-1.61; UC: RR, 1.25; 95% CI, 1.03-1.53). After adjusting for health care utilization, there was a nominally significant inverse effect on T1D risk (RR, 0.72; 95% CI, 0.53-0.998). There was no disproportionate occurrence of known RA, CD, UC, or T1D risk alleles in AD.

CONCLUSIONS: AD is a risk factor for the development of RA and IBD. This excess comorbidity cannot be attributed to major known IBD and RA genetic risk factors.

OriginalsprogEngelsk
TidsskriftThe Journal of allergy and clinical immunology
Vol/bind137
Udgave nummer1
Sider (fra-til)130-6
Antal sider7
ISSN0091-6749
DOI
StatusUdgivet - jan. 2016

ID: 46169887