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J Am Acad Dermatol. 2017 May;76(5):911-917. doi: 10.1016/j.jaad.2016.11.065. Epub 2017 Jan 7.

Risk of inflammatory bowel disease in patients with rosacea: Results from a nationwide cohort study in Taiwan.

Author information

1
Faculty of Medicine and Graduate Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan; Division of Gastroenterology, Taichung Veterans General Hospital, Taichung, Taiwan; Department of Public Health and Graduate Institute of Clinical Medical Sciences, China Medical University, Taichung, Taiwan; Department of Life Sciences and Rong Hsing Research Center for Translational Medicine, National Chung-Hsing University, Taichung, Taiwan.
2
Faculty of Medicine and Graduate Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan; Department of Dermatology, Taipei Veterans General Hospital, Taichung, Taiwan.
3
Department of Dermatology, Taichung Veterans General Hospital, Taichung, Taiwan.
4
Department of Education and Research, Taichung Veterans General Hospital, Taichung, Taiwan; Institute of Biomedical Sciences, National Chung Hsing University, Taichung, Taiwan.
5
Faculty of Medicine and Graduate Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan.
6
Department of Dermatology, Taipei Veterans General Hospital, Taichung, Taiwan.
7
School of Medicine, Fu Jen Catholic University, Taipei, Taiwan.
8
Faculty of Medicine and Graduate Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan; Department of Dermatology, Taichung Veterans General Hospital, Taichung, Taiwan. Electronic address: yjchenmd@vghtc.gov.tw.

Abstract

BACKGROUND:

A link between rosacea and inflammatory bowel disease (IBD) has been proposed with unknown mechanisms. Epidemiologic evidence of this association needs to be examined.

METHODS:

In this nationwide cohort study, a total of 89,356 patients with rosacea and 178,712 matched patients without rosacea between 1997 and 2013 were identified in the Taiwanese National Health Insurance Research Database. Cumulative incidences of IBD were compared between these 2 cohorts. Frailty Cox proportional hazard model was used and subgroup analyses were conducted to examine the risk factors for IBD.

RESULTS:

The 15-year cumulative incidences of IBD were 0.036% (95% confidence interval [CI] 0.00%-1.57%) and 0.019% (95% CI 0.00%-0.83%) in rosacea and nonrosacea cohorts, respectively (P = .05). Rosacea (adjusted hazard ratio 1.94, 95% CI 1.04-3.63, P = .04) and male gender (adjusted hazard ratio 3.52, 95% CI 2.03-6.11, P < .01) were independently associated with IBD, after adjustment for major comorbidities. Multivariate subgroup analyses revealed consistent results. The incidence rates of IBD decreased with increasing antibiotic use in patients with rosacea, but without statistical significance.

LIMITATION:

Information related to lifestyle, diet, alcohol, and smoking was not included in the database.

CONCLUSION:

Patients with rosacea may have an increased risk of IBD.

KEYWORDS:

Crohn's disease; inflammatory bowel disease; nationwide cohort study; rosacea; ulcerative colitis

PMID:
28073582
DOI:
10.1016/j.jaad.2016.11.065
[Indexed for MEDLINE]

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