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dc.contributor.authorGafane, L.F.
dc.contributor.authorSchutte, R.
dc.contributor.authorKruger, I.M.
dc.contributor.authorSchutte, A.E.
dc.identifier.citationGafane, L.F. et al. 2015. Large artery stiffness and carotid intima–media thickness in relation to markers of calcium and bone mineral metabolism in African women older than 46 years. Journal of human hypertension, 29:152-158. []en_US
dc.identifier.issn1476-5527 (Online)
dc.description.abstractVascular calcification and cardiovascular diseases have been associated with altered bone metabolism. We explored the relationships of arterial pressures and carotid intima-media thickness (CIMT) with parathyroid hormone, 25-hydroxycholecalciferol and their ratio (PTH:25(OH)D$_3$) as well as a marker of bone resorption (CTX) in lean and overweight/obese African women. A population of 434 African women older than 46 years was divided into lean and overweight/obese groups. We assessed brachial blood pressure, central pulse pressure (cPP) and CIMT, and determined PTH, 25(OH)D$_3$ and CTX concentrations. Overweight/obese women had elevated PTH and PTH:25(OH)D3 compared with lean women (both P<0.001), whereas lean women had higher CTX (P<0.001). Single, partial and multiple regression analyses indicated that, in lean women CIMT was independently associated with PTH:25(OH)D$_3$ (R$^2$=0.22; β=0.26; P=0.003), whereas in obese women cPP was associated with both PTH:25(OH)D3 (R$^2$=0.20; β=0.17; P=0.017) and CTX (R$^2$=0.20; β=0.17; P=0.025). In conclusion, we found that in African women with increased adiposity, cPP (as a surrogate measure of arterial stiffness), was positively associated with alterations in bone metabolism and calciotropic hormones, whereas CIMT of lean women was positively associated with PTH:25(OH)D$_3$. Our results suggest that alterations in bone and calcium metabolism may contribute to arterial calcification in older African women.en_US
dc.publisherNature Publishing Groupen_US
dc.titleLarge artery stiffness and carotid intima-media thickness in relation to markers of calcium and bone mineral metabolism in African women older than 46 yearsen_US
dc.contributor.researchID24341185 - Gafane, Lebo Francina
dc.contributor.researchID12079642 - Kruger, Iolanthé Marike
dc.contributor.researchID10922180 - Schutte, Aletta Elisabeth
dc.contributor.researchID12201405 - Schutte, Rudolph

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