Journal
JOURNAL OF THE AMERICAN HEART ASSOCIATION
Volume 10, Issue 7, Pages -Publisher
WILEY
DOI: 10.1161/JAHA.120.018381
Keywords
apolipoprotein A‐ 1; coronary heart disease; myocardial infarction; prebeta‐ 1 HDL; reverse cholesterol transport
Categories
Funding
- National Institutes of Health (Bethesda, MA) [HL3120, HL50782, Hl50779, AA11205]
- Joseph Drown Foundation
- Campini Foundation
- Dhanem Foundation
- Foundation Leducq
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The study demonstrated a strong association between prebeta-1 HDL levels and a history of CHD or MI, independent of traditional risk factors. Addition of prebeta-1 HDL significantly improved the clinical assessment of the risk of CHD and MI.
Background We previously showed that levels of prebeta-1 high-density lipoprotein (HDL), the principal acceptor of cholesterol effluxed from cells, including artery wall macrophages, are positively associated with coronary heart disease (CHD) and myocardial infarction (MI) risk. Methods and Results In a multiethnic follow-up cohort of 1249 individuals from University of California-San Francisco clinics, we determined the degree to which prebeta-1 HDL levels, both absolute and percentage of apolipoprotein AI, are associated with CHD and history of MI. Independent, strong, positive associations were found. Meta-analysis revealed for the absolute prebeta-1 HDL for the top tertile versus the lowest, unadjusted odds ratios of 1.90 (95% CI, 1.40-2.58) for CHD and 1.79 (95% CI, 1.35-2.36) for MI. For CHD, adjusting for established risk factors, the top versus bottom tertiles, quintiles, and deciles yielded sizable odds ratios of 2.37 (95% CI, 1.74-3.25, P<0.001), 3.20 (95% CI, 2.07-4.94, P<0.001), and 4.00 (95% CI, 2.11-7.58, P<0.001), respectively. Men and women were analyzed separately in a combined data set of 2507 individuals. The odds ratios for CHD and MI risk were similar. Higher levels of prebeta-1 HDL were associated with all 5 metabolic syndrome features. Addition of prebeta-1 HDL to these 5 features resulted in significant improvements in risk-prediction models. Conclusions Analysis of 2507 subjects showed conclusively that levels of prebeta-1 HDL are strongly associated with a history of CHD or MI, independently of traditional risk factors. Addition of prebeta-1 HDL can significantly improve clinical assessment of risk of CHD and MI.
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