New-onset inflammatory bowel disease in adults with atopic dermatitis

2017 ◽  
Vol 31 (8) ◽  
pp. e363-e365 ◽  
Author(s):  
A. Egeberg ◽  
N. Wienholtz ◽  
G.H. Gislason ◽  
L. Skov ◽  
J.P. Thyssen
2016 ◽  
Vol 111 (10) ◽  
pp. 1416-1423 ◽  
Author(s):  
Ryan Ungaro ◽  
Helena L Chang ◽  
Justin Cote-Daigneaut ◽  
Saurabh Mehandru ◽  
Ashish Atreja ◽  
...  

1994 ◽  
Vol 24 (4) ◽  
pp. 275-283 ◽  
Author(s):  
Patrick M. Burke ◽  
Deborah Neigut ◽  
Samuel Kocoshis ◽  
Jennifer Sauer ◽  
R. Chandra

Author(s):  
Christa Meisinger ◽  
Dennis Freuer

Abstract Background Observational studies postulated an association between atopic dermatitis (AD) and inflammatory bowel disease (IBD). However, it remains unclear whether this relationship is causal. Methods To determine whether AD is causally related to IBD and vice versa, a 2-sample Mendelian randomization study was conducted. Independent genetic instruments from the largest available genome-wide association study for AD (EAGLE eczema consortium without the 23andMe study including 10,788 cases and 30,047 controls) were used to investigate the association with IBD in the UK Biobank study (7045 cases, 456,327 controls) and a second European IBD sample (12,882 cases, 21,770 controls). Results Atopic dermatitis was strongly associated with higher risk of IBD as a whole (odds ratio [OR], 1.107; 95% confidence interval [CI], 1.035; 1.183; P = .003) in the UK Biobank study. The positive association was not significant in the other IBD study (OR, 1.114; 95% CI, 0.956; 1.298), but in meta-analyses of results from the 2 studies, the strong association could be confirmed (OR, 1.11; 95% CI, 1.04; 1.18). When evaluating the causal relationship in the other direction, IBD as a whole did not show an association with AD. Subtype analyses revealed that AD was suggestively associated with ulcerative colitis (UC; OR, 1.149; 95% CI, 1.018; 1.297) but not Crohn’s disease (CD). However, there was a suggestive association between CD and AD (OR, 1.034; 95% CI, 1.004; 1.064) but not UC and AD. Conclusions This study supports a causal effect between AD and IBD—but not between IBD and AD. There seems to be considerable differences between UC and CD regarding their specific associations with AD. These findings have implications for the management of IBD and AD in clinical practice.


Gut ◽  
2019 ◽  
Vol 68 (9) ◽  
pp. 1597-1605 ◽  
Author(s):  
Simone N Vigod ◽  
Paul Kurdyak ◽  
Hilary K Brown ◽  
Geoffrey C Nguyen ◽  
Laura E Targownik ◽  
...  

ObjectivePatients with inflammatory bowel disease (IBD) have an elevated risk of mental illness. We determined the incidence and correlates of new-onset mental illness associated with IBD during pregnancy and post partum.DesignThis cohort study using population-based health administrative data included all women with a singleton live birth in Ontario, Canada (2002–2014). The incidence of new-onset mental illness from conception to 1-year post partum was compared between 3721 women with and 798 908 without IBD, generating adjusted HRs (aHR). Logistic regression was used to identify correlates of new-onset mental illness in the IBD group.ResultsAbout 22.7% of women with IBD had new-onset mental illness versus 20.4% without, corresponding to incidence rates of 150.2 and 132.8 per 1000 patient-years (aHR 1.12, 95% CI 1.05 to 1.20), or one extra case of new-onset mental illness per 43 pregnant women with IBD. The risk was elevated in the post partum (aHR 1.20, 95% CI 1.09 to 1.31), but not during pregnancy, and for Crohn’s disease (aHR 1.12, 95% CI 1.02 to 1.23), but not ulcerative colitis. The risk was specifically elevated for a new-onset mood or anxiety disorder (aHR 1.14, 95% CI 1.04 to 1.26) and alcohol or substance use disorders (aHR 2.73, 95% CI 1.42 to 5.26). Predictors of a mental illness diagnosis were maternal age, delivery year, medical comorbidity, number of prenatal visits, family physician obstetrical care and infant mortality.ConclusionWomen with IBD were at an increased risk of new-onset psychiatric diagnosis in the postpartum period, but not during pregnancy. Providers should look to increase opportunities for prevention, early identification and treatment accordingly.


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