Lipoprotein Particle Profiles Compared With Standard Lipids in the Association With Subclinical Aortic Valve Calcification in Apparently Healthy Japanese Men
Open Access
- 25 June 2021
- journal article
- research article
- Published by Japanese Circulation Society in Circulation Journal
- Vol. 85 (7), 1076-1082
- https://doi.org/10.1253/circj.cj-20-1090
Abstract
Background:Risk factors for atherosclerotic disease including dyslipidemia have been shown to be associated with aortic valve calcification (AVC). Nuclear magnetic resonance (NMR)-measured lipoprotein particles, low-density and high-density lipoprotein particles (LDL-p, HDL-p) in particular, have emerged as novel markers of atherosclerotic disease; however, whether NMR-measured particles are associated with AVC remains to be determined. This study aimed to examine the association between NMR-based lipoprotein particle measurements and standard lipids with AVC. The primary variables of interest were LDL-p (nmol/L), HDL-p (μmol/L), LDL-cholesterol, and HDL-cholesterol (both in mg/dL). Methods and Results:A community-based random sample of Japanese men aged 40–79 years examined in 2006–2008, in Shiga, Japan was studied. Presence of AVC was defined as an Agatston score >0. Lipoprotein particles were measured using NMR spectroscopy. In the main analysis, multivariable-adjusted odds ratios (ORs) and 95% confidence intervals (95% CIs) for the prevalence of AVC across the higher quartiles of lipids in reference to the lowest ones were obtained. Of 874 participants analyzed, 153 men had AVC. Multivariable-adjusted ORs of prevalent AVC for the highest vs. the lowest quartile were significantly elevated for LDL-p (OR, 2.20; 95% CI: 1.23–3.93) and LDL-cholesterol (OR, 2.16; 95% CI: 1.23–3.78). In contrast, neither HDL-p nor HDL-cholesterol was associated with AVC. Conclusions:The association of prevalent AVC with NMR-based LDL-p was comparable to that with LDL-cholesterol.Keywords
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