Journal of the American College of Cardiology · 2017
Biomarker-Based Risk Model to Predict Cardiovascular Mortality in Patients With Stable Coronary Disease.
СтатьяМногоцентровое исследованиеРандомизированное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Lindholm Daniel, Lindbäck Johan, Armstrong Paul W, Budaj Andrzej, Cannon Christopher P, Granger Christopher B, Hagström Emil, Held Claes, Koenig Wolfgang, Östlund Ollie, Stewart Ralph A H, Soffer Joseph, White Harvey D, de Winter Robbert J, Steg Philippe Gabriel, Siegbahn Agneta, Kleber Marcus E, Dressel Alexander, Grammer Tanja B, März Winfried, Wallentin Lars
Аннотация
BACKGROUND: Currently, there is no generally accepted model to predict outcomes in stable coronary heart disease (CHD).
OBJECTIVES: This study evaluated and compared the prognostic value of biomarkers and clinical variables to develop a biomarker-based prediction model in patients with stable CHD.
METHODS: In a prospective, randomized trial cohort of 13,164 patients with stable CHD, we analyzed several candidate biomarkers and clinical variables and used multivariable Cox regression to develop a clinical prediction model based on the most important markers. The primary outcome was cardiovascular (CV) death, but model performance was also explored for other key outcomes. It was internally bootstrap validated, and externally validated in 1,547 patients in another study.
RESULTS: During a median follow-up of 3.7 years, there were 591 cases of CV death. The 3 most important biomarkers were N-terminal pro-B-type natriuretic peptide (NT-proBNP), high-sensitivity cardiac troponin T (hs-cTnT), and low-density lipoprotein cholesterol, where NT-proBNP and hs-cTnT had greater prognostic value than any other biomarker or clinical variable. The final prediction model included age (A), biomarkers (B) (NT-proBNP, hs-cTnT, and low-density lipoprotein cholesterol), and clinical variables (C) (smoking, diabetes mellitus, and peripheral arterial disease). This "ABC-CHD" model had high discriminatory ability for CV death (c-index 0.81 in derivation cohort, 0.78 in validation cohort), with adequate calibration in both cohorts.
CONCLUSIONS: This model provided a robust tool for the prediction of CV death in patients with stable CHD. As it is based on a small number of readily available biomarkers and clinical factors, it can be widely employed to complement clinical assessment and guide management based on CV risk. (The Stabilization of Atherosclerotic Plaque by Initiation of Darapladib Therapy Trial [STABILITY]; NCT00799903).
OBJECTIVES: This study evaluated and compared the prognostic value of biomarkers and clinical variables to develop a biomarker-based prediction model in patients with stable CHD.
METHODS: In a prospective, randomized trial cohort of 13,164 patients with stable CHD, we analyzed several candidate biomarkers and clinical variables and used multivariable Cox regression to develop a clinical prediction model based on the most important markers. The primary outcome was cardiovascular (CV) death, but model performance was also explored for other key outcomes. It was internally bootstrap validated, and externally validated in 1,547 patients in another study.
RESULTS: During a median follow-up of 3.7 years, there were 591 cases of CV death. The 3 most important biomarkers were N-terminal pro-B-type natriuretic peptide (NT-proBNP), high-sensitivity cardiac troponin T (hs-cTnT), and low-density lipoprotein cholesterol, where NT-proBNP and hs-cTnT had greater prognostic value than any other biomarker or clinical variable. The final prediction model included age (A), biomarkers (B) (NT-proBNP, hs-cTnT, and low-density lipoprotein cholesterol), and clinical variables (C) (smoking, diabetes mellitus, and peripheral arterial disease). This "ABC-CHD" model had high discriminatory ability for CV death (c-index 0.81 in derivation cohort, 0.78 in validation cohort), with adequate calibration in both cohorts.
CONCLUSIONS: This model provided a robust tool for the prediction of CV death in patients with stable CHD. As it is based on a small number of readily available biomarkers and clinical factors, it can be widely employed to complement clinical assessment and guide management based on CV risk. (The Stabilization of Atherosclerotic Plaque by Initiation of Darapladib Therapy Trial [STABILITY]; NCT00799903).
Предметные рубрики MeSH
AgedBenzaldehydesBiomarkersCoronary DiseaseFemaleFollow-Up StudiesGlobal HealthHumansMaleMiddle AgedNatriuretic Peptide, BrainOximesPeptide FragmentsPhospholipase A2 InhibitorsPrognosisProspective StudiesRisk AssessmentRisk FactorsSecondary PreventionSurvival RateTroponin TBiphenyl CompoundsDiethylaminesPyrimidinonesSulfides