DHEA-S levels and cardiovascular disease mortality in postmenopausal women: results from the National Institutes of Health--National Heart, Lung, and Blood Institute (NHLBI)-sponsored Women's Ischemia Syndrome Evaluation (WISE).

Abstract

CONTEXT Dehydroepiandrosterone sulfate (DHEA-S), a major circulating sex steroid prohormone, declines with age. Low levels have been associated with increased cardiovascular disease (CVD) risk and all-cause mortality, although these results have not been consistently replicated, particularly in women. OBJECTIVE Our objective was to examine the association of circulating DHEA-S levels, CVD, and mortality risk among postmenopausal women with suspected myocardial ischemia. DESIGN In the Women's Ischemia Syndrome Evaluation, 270 postmenopausal women underwent coronary angiography and blood hormone levels for suspected ischemia and were followed annually. The primary outcome of interest was CVD mortality; secondary analyses included all-cause mortality and nonfatal CVD events (myocardial infarction, stroke, and congestive heart failure) and angiographic obstructive coronary artery disease (CAD). RESULTS Women in the lowest DHEA-S tertile had higher CVD mortality (17% 6-yr mortality rate vs. 8%; log-rank P = 0.011), and all-cause mortality (21 vs. 10%; P = 0.011) compared with women with higher DHEA-S levels. The increased CVD mortality risk [hazard ratio (HR) = 2.55; 95% confidence interval (CI) = 1.19-5.45] remained unchanged after adjustment for multiple CVD risk factors (HR = 2.43; 95% CI = 1.06-5.56) but became nonsignificant when further adjusting for the presence or severity of angiographic obstructive CAD (HR = 1.99; 95% CI = 0.87-4.59). Results were similar for all-cause mortality. Lower DHEA-S levels were only marginally but not independently associated with obstructive CAD. CONCLUSIONS Among postmenopausal women with coronary risk factors undergoing coronary angiography for suspected myocardial ischemia, lower DHEA-S levels were linked with higher CVD mortality and all-cause mortality. Our study provides valuable feasibility data useful for future investigations and possible mechanistic pathways.

DOI: 10.1210/jc.2010-0143
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@article{Shufelt2010DHEASLA, title={DHEA-S levels and cardiovascular disease mortality in postmenopausal women: results from the National Institutes of Health--National Heart, Lung, and Blood Institute (NHLBI)-sponsored Women's Ischemia Syndrome Evaluation (WISE).}, author={Chrisandra L. Shufelt and Philip M Bretsky and Cristina Maria Almeida and BD Johnson and Leslee J . Shaw and Ricardo Azziz and Glenn David Braunstein and Carl J . Pepine and Vera A. Bittner and Diane A. Vido and Frank Z. Stanczyk and Cathleen Noel Bairey Merz}, journal={The Journal of clinical endocrinology and metabolism}, year={2010}, volume={95 11}, pages={4985-92} }