| Low-density lipoprotein particle number predicts coronary artery calcification in asymptomatic adults at intermediate risk of cardiovascular disease. | |
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MedLine Citation:
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PMID: 21981843 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND: Clinicians require more discriminating measures of cardiovascular risk than those currently used in most clinical settings. A promising avenue of research concerns the relationship of low-density lipoprotein (LDL) subfractions to subclinical atherosclerosis. OBJECTIVE: To assess cross-sectional associations between subfractions of LDL cholesterol and coronary artery calcification (CAC). METHODS: The study sample comprised 284 asymptomatic clinic patients who were at intermediate risk of cardiovascular disease, aged 40-69 years, who were not taking a statin or niacin. Lipoprotein subclass measures were obtained by the use of proton nuclear magnetic resonance spectroscopy. CAC was assessed with computed tomography angiography (CTA). The analyses modeled the presence or absence of CAC. RESULTS: Total LDL particle number (LDL-P) had a stronger association with CAC than the traditional lipoprotein measures. Patients in the highest tercile of total LDL-P (1935-3560 nmol/L) were 3.7 times more likely to exhibit coronary artery calcification as those in the lowest tercile (620-1530 nmol/L). The independent effects of small LDL-P remained significant after adjustment for LDL-cholesterol, high-density lipoprotein (HDL), triglycerides, non-HDL, and large LDL-P. HDL and non-HDL were not significant, independent predictors of CAC. CONCLUSION: Small LDL-P was a strong, independent predictor of the presence of CAC. Large prospective studies are needed to examine the effect of LDL particle number and size on coronary artery calcification. |
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Authors:
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Kimberly Buff Prado; Suzanne Shugg; Jeffrey R Backstrand |
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Publication Detail:
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Type: Journal Article Date: 2011-07-18 |
Journal Detail:
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Title: Journal of clinical lipidology Volume: 5 ISSN: 1933-2874 ISO Abbreviation: J Clin Lipidol Publication Date: 2011 Sep-Oct |
Date Detail:
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Created Date: 2011-10-10 Completed Date: 2012-02-03 Revised Date: 2012-04-10 |
Medline Journal Info:
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Nlm Unique ID: 101300157 Medline TA: J Clin Lipidol Country: United States |
Other Details:
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Languages: eng Pagination: 408-13 Citation Subset: IM |
Copyright Information:
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Copyright © 2011 National Lipid Association. Published by Elsevier Inc. All rights reserved. |
Affiliation:
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MSN and ASBN Programs, School of Nursing, University of Medicine and Dentistry of New Jersey, Newark, USA. buffprkl@umdnj.edu |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Angiography Calcinosis / blood, diagnosis* Cardiovascular Diseases / blood*, diagnosis Coronary Vessels Cross-Sectional Studies Female Humans Lipoproteins, LDL / blood* Male Middle Aged Predictive Value of Tests Risk Factors Tomography, X-Ray Computed |
| Chemical | |
Reg. No./Substance:
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0/Lipoproteins, LDL |
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