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Apolipoprotein CIII predicts cardiovascular events in patients with coronary artery disease: a prospective observational study.

ABSTRACT: BACKGROUND:Apolipoprotein CIII (apoCIII) is associated with triglyceride-rich lipoprotein metabolism and has emerged as independent marker for risk of cardiovascular disease. The objective was to test whether apoCIII is regulated postprandially and whether apoCIII concentrations in native and chylomicron-free serum predict future cardiovascular events in patients with stable coronary artery disease (CAD). METHODS:ApoCIII concentrations were measured in native and chylomicron-free serum in the fasting state and after a standardized oral fat load test in 195 patients with stable CAD. Clinical follow-up was 48?months. Chylomicron-free serum was prepared by ultracentrifugation (18,000?rpm, 3?h). The log-rank test and Cox regression analyses were used to investigate the association of apoCIII with recurrent cardiovascular events. RESULTS:Of the 195 patients included, 92 had a cardiovascular event, and 103 did not. 97% were treated with a statin. No significant changes in apoCIII concentration were observed after the oral fat load test. The apoCIII concentration was associated with event-free survival independent of conventional risk factors. This association reached statistical significance only for apoCIII concentration measured in chylomicron-free serum (hazard ratio [95% confidence interval] for apoCIII above the mean: postprandial: 1.67 (1.06-2.29), P?=?0.028, fasting: 2.09 (1.32-3.32), P?=?0.002), but not for apoCIII concentration measured in native serum (postprandial: 1.47 [0.89-2.43], P?=?0.133, fasting: 1.56 [0.95-2.58], P?=?0.081). The effects were independent of other risk factors. CONCLUSIONS:ApoCIII concentrations in chylomicron-free serum are independently associated with event-free survival in patients with CAD both in fasting and postprandial state. This findings support considering apoCIII for risk assessment and attempting to test the hypothesis that lowering apoCIII reduces residual cardiovascular risk. TAKE HOME MESSAGE:Apolipoprotein CIII concentration measured in chylomicron-free serum predicts recurrent cardiovascular events in patients with stable coronary artery disease. TRIAL REGISTRATION:The trial which included the participants of this study was registered at https://clinicaltrials.gov (NCT00628524) on March 5, 2008.

SUBMITTER: Katzmann JL

PROVIDER: S-EPMC7260843 | biostudies-literature | 2020 May

REPOSITORIES: biostudies-literature

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Apolipoprotein CIII predicts cardiovascular events in patients with coronary artery disease: a prospective observational study.

Katzmann Julius L JL Werner Christian M CM Stojakovic Tatjana T März Winfried W Scharnagl Hubert H Laufs Ulrich U

Lipids in health and disease 20200530 1

<h4>Background</h4>Apolipoprotein CIII (apoCIII) is associated with triglyceride-rich lipoprotein metabolism and has emerged as independent marker for risk of cardiovascular disease. The objective was to test whether apoCIII is regulated postprandially and whether apoCIII concentrations in native and chylomicron-free serum predict future cardiovascular events in patients with stable coronary artery disease (CAD).<h4>Methods</h4>ApoCIII concentrations were measured in native and chylomicron-free ...[more]

PMID: 32473635

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Project description:BackgroundGrowth differentiation factor 15 (GDF-15) has been explored as a potential biomarker for various inflammatory diseases and cardiovascular events. This study aimed to assess the predictive role of GDF-15 levels in cardiovascular events and all-cause mortality, considering traditional risk factors and other biomarkers.MethodsA prospective study was conducted and 3699 patients with stable coronary artery disease (CAD) were enrolled into the research. Baseline GDF-15 levels were measured. Median follow-up was 3.1 years during the study. We analyzed clinical variables and several biomarkers. Multivariable Cox regression analysis was performed to evaluate prognostic performance of GDF-15 levels in predicting myocardial infarction (MI), heart failure, stroke, cardiovascular death, and non-cardiovascular death.ResultsBaseline GDF-15 levels for 3699 patients were grouped by quartile (≤ 1153, 1153-1888, 1888-3043, > 3043 ng/L). Higher GDF-15 levels were associated with older age, male gender, history of hypertension, and elevated levels of N-terminal pro B-type natriuretic peptide (NT-pro BNP), soluble suppression of tumorigenesis-2 (sST2), and creatine (each with P < 0.001). Adjusting for established risk factors and biomarkers in Cox proportional hazards models, a 1 standard deviation (SD) increase in GDF-15 was associated with elevated risk of clinical events [hazard ratio (HR) = 2.18, 95% confidence interval (CI): (1.52-3.11)], including: MI [HR = 2.83 95% CI: (1.03-7.74)], heart failure [HR = 2.71 95% CI: (1.18-6.23)], cardiovascular and non-cardiovascular death [HR = 2.48, 95% CI (1.49-4.11)] during the median follow up of 3.1 years.ConclusionsHigher levels of GDF-15 consistently provides prognostic information for cardiovascular events and all cause death, independent of clinical risk factors and other biomarkers. GDF-15 could be considered as a valuable addition to future risk prediction model in secondary prevention for predicting clinical events in patient with stable CAD.

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Apolipoprotein CIII predicts cardiovascular events in patients with coronary artery disease: a prospective observational study.

Publications

Apolipoprotein CIII predicts cardiovascular events in patients with coronary artery disease: a prospective observational study.

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