Parathyroid hormone and cardiovascular disease events: A systematic review and meta-analysis of prospective studies.

A.J. van Ballegooijen, I. Reinders, M. Visser, I.A. Brouwer

Research output: Contribution to JournalReview articleAcademicpeer-review


Background Parathyroid hormone (PTH) excess might play a role in cardiovascular health. We therefore conducted a systematic review and meta-analysis to evaluate the association between PTH and cardiovascular disease (CVD) events, and intermediate outcomes. Methods We conducted a systematic and comprehensive database search using MEDLINE and Embase between 1947 and October 2012. We included English-language prospective studies that reported risk estimates for PTH and CVD events, and intermediate outcomes. The characteristics of study populations, exposure, and outcomes of total CVD events, fatal and non-fatal CVD events were reported, and a quality assessment was conducted. Results were extracted for the highest versus lowest PTH concentrations, and meta-analyses were carried out using random effects models. Results The systematic literature search yielded 5770 articles, and 15 studies were included. Study duration ranged between 2 and 14 years. All studies were performed primarily in whites with a mean age between 55 and 75 years. The meta-analyses included 12 studies, of which 10 investigated total CVD events; 7, fatal CVD events; and 3, non-fatal CVD events. PTH excess indicated an increased risk for total CVD events: pooled HR (95% CI), 1.45 (1.24-1.71). The results for fatal CVD events and non-fatal CVD events were: HR 1.50 (1.18-1.91) and HR 1.48 (1.14-1.92). Heterogeneity was moderately present; however, sensitivity analyses for follow-up duration, prior CVD, or PTH as dichotomous values showed similar results. Conclusions The meta-analysis indicates that higher PTH concentrations are associated with increased risk of CVD events. © 2013, Mosby, Inc. All rights reserved.
Original languageEnglish
Pages (from-to)655-664
JournalThe American Heart Journal
Issue number5
Early online date26 Mar 2013
Publication statusPublished - 2013


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