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Primary Hyperparathyroidism and Celiac Disease: A Population-Based Cohort Study
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Molecular Medicine.
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2012 (English)In: Journal of Clinical Endocrinology and Metabolism, ISSN 0021-972X, E-ISSN 1945-7197, Vol. 97, no 3, 897-904 p.Article in journal (Refereed) Published
Abstract [en]

Context: Celiac disease (CD) has been linked to several endocrine disorders, including type 1 diabetes and thyroid disorders, but little is known regarding its association to primary hyperparathyroidism (PHPT). Objective: The aim of the study was to examine the risk of PHPT in patients with CD. Design and Setting: We conducted a two-group exposure-matched nonconcurrent cohort study in Sweden. A Cox regression model estimated hazard ratios (HR) for PHPT. Participants: We identified 17,121 adult patients with CD who were diagnosed through biopsy reports (Marsh 3, villous atrophy) from all 28 pathology departments in Sweden. Biopsies were performed in 1969-2008, and biopsy report data were collected in 2006-2008. Statistics Sweden then identified 85,166 reference individuals matched with the CD patients for age, sex, calendar period, and county. Main Outcome Measure: PHPT was measured according to the Swedish national registers on inpatient care, outpatient care, day surgery, and cancer. Results: During follow-up, 68 patients with CD and 172 reference individuals developed PHPT(HR = 1.91; 95% confidence interval = 1.44-2.52). The absolute risk of PHPT was 42/100,000 person-years with an excess risk of 20/100,000 person-years. The risk increase for PHPT only occurred in the first 5 yr of follow-up; after that, HR were close to 1 (HR = 1.07; 95% confidence interval = 0.70-1.66). Conclusions: CD patients are at increased risk of PHPT, but the absolute risk is small, and the excess risk disappeared after more than 5 yr of follow-up.

Place, publisher, year, edition, pages
2012. Vol. 97, no 3, 897-904 p.
National Category
Medical and Health Sciences
URN: urn:nbn:se:uu:diva-172706DOI: 10.1210/jc.2011-2639ISI: 000301229600055OAI: oai:DiVA.org:uu-172706DiVA: diva2:579075
Available from: 2012-12-19 Created: 2012-04-13 Last updated: 2012-12-19Bibliographically approved

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