Clinical—Alimentary TractMorbidity and Mortality Among Older Individuals With Undiagnosed Celiac Disease
Section snippets
Setting
Population-based epidemiologic research can be conducted in Olmsted County (2000 population, ∼124,000) because medical care is virtually self-contained within the community and there are relatively few providers.34 The 2 major medical care providers (Mayo Clinic and Olmsted Medical Center) each use a dossier (or unit record) system whereby all medical information for each individual is accumulated in a single life-long record. These clinical data are accessible because Mayo Clinic has
Results
Among subjects whose disease status was unknown, 16,886 Olmsted County, Minnesota, residents age 50 and older who had consented to use of their serum for research were screened for CD. In total, 163 (1.0%) individuals tested positive for tTGA and underwent confirmatory EMA testing, whereas 143 had borderline tTGA levels (2.0–4.0 U/mL) and also were EMA tested. Based on a combined serology status of both the tTGA and EMA result, 39 subjects were considered equivocal and were excluded from
Discussion
Among the principal findings of this study, undiagnosed CD was found to be associated with impaired bone health including an increased rate of osteoporosis and lower bone density scores, but was not associated with increased mortality or the majority of comorbidities and symptoms commonly linked to diagnosed CD.
As found in our study, undiagnosed CD in older adults was not associated with an increased risk of mortality, data that are consistent with a recent study from Europe.33 This is in
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Conflicts of interest The authors disclose no conflicts.
Funding This work was supported by research grants R01-DK57892, P01 CA62242, R01-AR30582, and T-32 AI07047 (A.R.-T.) from the National Institutes of Health, U.S. Public Health Service. The project described was supported by grant number 1 UL1 RR024150 from the National Center for Research Resources, a component of the National Institutes of Health, and the National Institutes of Health Roadmap for Medical Research. Its contents are solely the responsibility of the authors and do not necessarily represent the official view of the National Center for Research Resources or the National Institutes of Health. Information on the National Center for Research Resources is available at http://www.ncrr.nih.gov/. Information on Reengineering the Clinical Research Enterprise can be obtained from http://nihroadmap.nih.gov.