Journal
INFLAMMATORY BOWEL DISEASES
Volume 15, Issue 1, Pages 63-68Publisher
OXFORD UNIV PRESS INC
DOI: 10.1002/ibd.20604
Keywords
children; adolescents; ulcerative colitis; Crohn's disease; arthritis; sclerosing cholangitis
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Funding
- NATIONAL INSTITUTE OF DIABETES AND DIGESTIVE AND KIDNEY DISEASES [T32DK007762, R01DK053708, K24DK060617] Funding Source: NIH RePORTER
- NIDDK NIH HHS [DK060617, T32 DK007762, K24 DK060617-06, K24 DK060617, DK007762, DK006544, R01 DK053708, DK53708] Funding Source: Medline
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Background: Extraintestinal manifestations (EIMs) in Pediatric patients with inflammatory bowel disease (IBD) are poorly characterized. We examined the prevalence of EIMs at diagnosis. subsequent incidence. and risk factors for EIMs. Methods: Data for 1649 patients from the PediIBD Consortium Registry, diagnosed with IBD before 18 years of age (1007 [61%] with Crohn's disease, 471 [29%] with ulcerative colitis, and 171 [10%] with indeterminate colitis), were analyzed using logistic regression, Kaplan-Meier, log rank tests, and Cox models. Results: EIMs were reported prior to IBD diagnosis in 97 of 1649 patients (6%). Older children at diagnosis had higher rates compared with younger children. and arthritis (26%) and aphthous stomatitis (21 %) were most common. Among the 1552 patients without EIM at diagnosis, 290 developed at least 1 EIM. Kaplan-Meier estimates of cumuative incidence were 9% at 1 year. 19% at 5 years. and 29% at 15 years after diagnosis. Incidence did not differ by IBD type (P = 0.20), age at diagnosis (P = 0.22). or race/ethnicity (P = 0.24). Arthritis (17%) and osteopenia/osteoporosis (15%) were the most common EIMs after IBD diagnosis. Conclusions: In our large cohort of pediatric IBD patients, 6% had at least 1 EIM before diagnosis of IBD. At least 1 EIM will develop in 29% within 15 years of diagnosis. The incidence of EIMs both before and after diagnosis of IBD differs by type of EIM and may be slightly higher in girls, but is independent of the type of IBD, age at diagnosis, and race/ethnicity.
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