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Remnant Lipoprotein Cholesterol and Incident Coronary Heart Disease: the Jackson Heart and Framingham Offspring Cohort Studies
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نویسنده
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joshi p.h. ,khokhar a.a. ,massaro j.m. ,lirette s.t. ,griswold m.e. ,martin s.s. ,blaha m.j. ,kulkarni k.r. ,correa a. ,d'agostino r.b. ,jones s.r. ,toth p.p.
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منبع
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journal of the american heart association - 2016 - دوره : 5 - شماره : 5
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چکیده
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Background: remnant lipoproteins (rlps),the triglyceride-enriched precursors to low-density lipoprotein,are an emerging risk factor for coronary heart disease (chd). we sought to determine the association of rlp cholesterol (rlp-c) levels with incident chd in 2 diverse,prospective,longitudinal observational us cohorts. methods and results: we analyzed cholesterol levels from serum lipoprotein samples separated via density gradient ultracentrifugation in 4114 us black participants (mean age 53.8 years,64% women) from the jackson heart study and a random sample of 818 predominantly white participants (mean age 57.3 years,52% women) from the framingham offspring cohort study. multivariable-adjusted hazard ratios (hrs) for rlp-c (the sum of very low-density lipoprotein3 cholesterol and intermediate-density lipoprotein cholesterol) were derived to estimate associations with incident chd events consisting of myocardial infarction,chd death,and revascularizations for each cohort separately and as a combined population. there were 146 chd events in the combined population. after adjustments for age,sex,body mass index,smoking,blood pressure,diabetes,and lipid-lowering therapy for the combined population,rlp-c (hr 1.23 per 1-sd increase,95% ci 1.06-1.42,p<0.01) and intermediate-density lipoprotein cholesterol (hr 1.26 per 1-sd increase,95% ci 1.08-1.47,p<0.01) predicted chd during an 8-year follow-up. associations were attenuated by high-density lipoprotein cholesterol and ultimately lost significance with inclusion of real low-density lipoprotein cholesterol,which excludes lp(a) and idl cholesterol fractions. similar associations were seen in multivariable analyses within each cohort. conclusion: rlp-c levels are predictive of incident chd in this diverse group of primary prevention subjects. interventions aimed at reducing rlp-c to prevent chd warrant further intensive investigation. © 2016 the authors. published on behalf of the american heart association,inc.,by wiley blackwell.
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کلیدواژه
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Coronary heart disease; Lipids; Primary prevention; Remnant lipoprotein cholesterol; Triglycerides
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آدرس
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johns hopkins ciccarone center for the prevention of heart disease,baltimore,md,united states,division of cardiology,university of texas southwestern medical center,dallas,tx, United States, royal brompton and harefield nhs trust,london, United Kingdom, department of biostatistics,boston university school of public health,boston,ma, United States, center of biostatistics and bioinformatics,university of mississippi medical center,jackson,ms,united states,jackson heart study,university of mississippi medical center,jackson,ms, United States, center of biostatistics and bioinformatics,university of mississippi medical center,jackson,ms,united states,jackson heart study,university of mississippi medical center,jackson,ms, United States, johns hopkins ciccarone center for the prevention of heart disease,baltimore,md, United States, johns hopkins ciccarone center for the prevention of heart disease,baltimore,md, United States, atherotech diagnostics laboratory,birmingham,al, United States, jackson heart study,university of mississippi medical center,jackson,ms, United States, department of biostatistics,boston university school of public health,boston,ma, United States, johns hopkins ciccarone center for the prevention of heart disease,baltimore,md, United States, johns hopkins ciccarone center for the prevention of heart disease,baltimore,md,united states,cgh medical center,sterling,il,united states,university of illinois school of medicine,peoria,il, United States
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Authors
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