Journal
INTERNATIONAL JOURNAL OF CARDIOLOGY
Volume 261, Issue -, Pages 189-195Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.ijcard.2018.03.008
Keywords
Menopause; Postmenopausal women; Endogenous sex hormones; NT-pro-BNP; Natriuretic peptides
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Funding
- Nestle Nutrition (Nestec Ltd.)
- Metagenics Inc.
- AXA
- Erasmus Mundus Western Balkans (ERAWEB)
- European Commission
- VENI grant from Netherlands Organization for Health Research and Development (ZonMw) [91616079]
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Background: Amino-terminal pro-B-type natriuretic peptide (NT-proBNP) has a well-documented prognostic value for cardiovascular disease and sex-hormones are suggested to modulate NT-proBNP levels. Objective: To examine whether endogenous sex-hormones and sex hormone-binding globulin (SHBG) are associated with NT-proBNP levels in postmenopausal women free of clinical cardiovascular diseases. Methods: Total estradiol (E-2), total testosterone (TT), androstenedione (AD), dehydroepiandrosterone (DHEA), dehydroepiandrosterone sulfate (DHEAS), sex hormone-binding globulin (SHBG) and NT-proBNP were assessed in 4112 postmenopausal women free of cardiovascular diseases from the prospective population-based Rotterdam Study. Free androgen index (FAI) was calculated as ratio of TT to SHBG concentration. TT, AD, DHEA(S), SHBG, FAI and NT-proBNP were natural log transformed. Regression coefficients and 95% Confidence Intervals (CI) were calculated using multivariable linear regression models adjusting for confounders. Results: In models adjusted for multiple confounders (age, reproductive, life style and cardiovascular risk factors) higher SHBG (per 1 SD increase, beta = 0.15, 95% CI = 0.12, 0.18), and lower levels of TT (per 1 SD increase, beta = -0.05, 95% CI = -0.08,-0.02), FAI (per 1 SD increase, beta = -0.13, 95% CI=-0.15, -0.09), DHEAS (per 1 SD increase, beta=-0.06, 95% CI=-0.09, -0.04) and DHEA (per 1 SD increase, beta=-0.06, 95% CI=-0.09, -0.04) were associated with higher levels of NT-proBNP. However, no consistent associationwas found between E2 and AD and NT-proBNP levels. Additionally, stratification by BMI did not affect any of observed associations. Conclusion: Our findings support the hypothesis that higher androgens might be associated with lower natriuretic peptide levels in postmenopausal women. (C) 2018 Elsevier B.V. All rights reserved.
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