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Am Heart J. 2013 May;165(5):655-64, 664.e1-5. doi: 10.1016/j.ahj.2013.02.014. Epub 2013 Mar 26.

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

Author information

1
Department of Health Sciences and the EMGO+ Institute for Health and Care Research, Faculty of Earth and Life Sciences, VU University Amsterdam, The Netherlands. hanne.van.ballegooijen@vu.nl

Abstract

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.

PMID:
23622902
DOI:
10.1016/j.ahj.2013.02.014
[Indexed for MEDLINE]

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