{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,22]],"date-time":"2026-09-22T04:41:07Z","timestamp":1790052067288,"version":"4.0.1"},"reference-count":34,"publisher":"The Endocrine Society","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2012,3,1]]},"abstract":"\n Context:<\/jats:title>\n 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).<\/jats:p>\n <\/jats:sec>\n \n Objective:<\/jats:title>\n The aim of the study was to examine the risk of PHPT in patients with CD.<\/jats:p>\n <\/jats:sec>\n \n Design and Setting:<\/jats:title>\n We conducted a two-group exposure-matched nonconcurrent cohort study in Sweden. A Cox regression model estimated hazard ratios (HR) for PHPT.<\/jats:p>\n <\/jats:sec>\n \n Participants:<\/jats:title>\n 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\u20132008, and biopsy report data were collected in 2006\u20132008. Statistics Sweden then identified 85,166 reference individuals matched with the CD patients for age, sex, calendar period, and county.<\/jats:p>\n <\/jats:sec>\n \n Main Outcome Measure:<\/jats:title>\n PHPT was measured according to the Swedish national registers on inpatient care, outpatient care, day surgery, and cancer.<\/jats:p>\n <\/jats:sec>\n \n Results:<\/jats:title>\n During follow-up, 68 patients with CD and 172 reference individuals developed PHPT (HR = 1.91; 95% confidence interval = 1.44\u20132.52). 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\u20131.66).<\/jats:p>\n <\/jats:sec>\n \n Conclusions:<\/jats:title>\n 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.<\/jats:p>\n <\/jats:sec>","DOI":"10.1210\/jc.2011-2639","type":"journal-article","created":{"date-parts":[[2012,1,12]],"date-time":"2012-01-12T06:24:46Z","timestamp":1326349486000},"page":"897-904","source":"Crossref","is-referenced-by-count":30,"title":["Primary Hyperparathyroidism and Celiac Disease: A Population-Based Cohort Study"],"prefix":"10.1210","volume":"97","author":[{"given":"Jonas F.","family":"Ludvigsson","sequence":"first","affiliation":[{"name":"Department of Pediatrics (J.F.L.), \u00d6rebro University Hospital, 701 85 \u00d6rebro, Sweden"},{"name":"Clinical Epidemiology Unit (J.F.L., A.E.), Department of Medicine, Karolinska Institutet, 171 76 Stockholm, Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Olle","family":"K\u00e4mpe","sequence":"first","affiliation":[{"name":"Department of Medical Sciences (O.K.), Uppsala University, University Hospital, 751 85 Uppsala, Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Benjamin","family":"Lebwohl","sequence":"first","affiliation":[{"name":"Celiac Disease Center (B.L., P.H.R.G.), and Division of Endocrinology,"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peter H. R.","family":"Green","sequence":"first","affiliation":[{"name":"Celiac Disease Center (B.L., P.H.R.G.), and Division of Endocrinology,"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shonni J.","family":"Silverberg","sequence":"first","affiliation":[{"name":"Department of Medicine (S.J.S.), Columbia University College of Physicians and Surgeons, New York, New York 10032"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anders","family":"Ekbom","sequence":"first","affiliation":[{"name":"Clinical Epidemiology Unit (J.F.L., A.E.), Department of Medicine, Karolinska Institutet, 171 76 Stockholm, Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"80","reference":[{"key":"2020071613131936600_B1","doi-asserted-by":"crossref","first-page":"1746","DOI":"10.1056\/NEJMcp032200","article-title":"Clinical practice. 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