| Usefulness of LDL-C-Related Parameters to Predict Cardiovascular Risk and Effect of Pravastatin in Mild-to-Moderate Hypercholesterolemia. | |
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MedLine Citation:
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PMID: 22129522 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Aim: Low-density lipoprotein cholesterol (LDL-C), the ratio of LDL-C to high-density lipoprotein cholesterol (HDL-C; LDL-C/HDL-C), and non-HDL-C were evaluated to determine their ability to predict cardiovascular disease (CVD) risk with pravastatin treatment.Methods: We conducted a large-scale randomized primary prevention trial in Japan (MEGA Study), in which we randomly allocated 7832 mild hypercholesterolemic patients to diet alone (n= 3966) and diet plus pravastatin groups (n= 3866) and followed them for an average of 5 years. We compared baseline levels and the CVD incidence in the diet alone group, and time-dependent receiver operating characteristic curves in the overall population. To determine the best parameter for predicting the efficacy of pravastatin, the diet plus pravastatin group was divided into tertiles to compare lipid parameters and CVD incidence versus the diet alone group.Results: Significantly graded correlations were found between CVD and LDL-C/HDL-C and non-HDL-C. Significantly more CVD events were associated with LDL-C/HDL-C > 186 mg/dL and LDL-C/HDL-C > 2.9. Furthermore, LDL-C/HDL-C or non-HDL-C was more predictive than LDL-C. By measuring LDL-C/HDL-C or non-HDL-C, we allocated 32% of the diet plus pravastatin group into a different risk category. The lowest significant incidence of CVD was found in patients with LDL-C 119.8-133.4 mg/dL, LDL-C/HDL-C < 1.9, and non-HDL-C 145.2-160.8 mg/dL.Conclusion: Non-HDL-C and LDL-C/HDL-C have a greater ability to predict CVD risk in mild-to-moderate hypercholesterolemic Japanese individuals than LDL-C, and are more useful to evaluate the effect of pravastatin; however, these parameters should be interpreted independently when assessing CVD risk. |
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Authors:
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Kyoichi Mizuno; Noriaki Nakaya; Tamio Teramoto; Shinji Yokoyama; Yasuo Ohashi; Akio Ueki; Soichiro Takahashi; Yukio Kubota; Haruo Nakamura |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-11-30 |
Journal Detail:
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Title: Journal of atherosclerosis and thrombosis Volume: - ISSN: 1880-3873 ISO Abbreviation: - Publication Date: 2011 Nov |
Date Detail:
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Created Date: 2011-12-1 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9506298 Medline TA: J Atheroscler Thromb Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Medicine, Nippon Medical School. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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