Emil Hagström1, Stefan K James2, Maria Bertilsson3, Richard C Becker4, Anders Himmelmann5, Steen Husted6, Hugo A Katus7, Philippe Gabriel Steg8, Robert F Storey9, Agneta Siegbahn10, Lars Wallentin2. 1. Department of Medical Sciences, Cardiology, Uppsala University, Uppsala, Sweden Uppsala Clinical Research Center, Uppsala, Sweden emil.hagstrom@ucr.uu.se. 2. Department of Medical Sciences, Cardiology, Uppsala University, Uppsala, Sweden Uppsala Clinical Research Center, Uppsala, Sweden. 3. Uppsala Clinical Research Center, Uppsala, Sweden. 4. Division of Cardiovascular Health and Disease, Heart, Lung and Vascular Institute, University of Cincinnati College of Medicine, OH, USA. 5. AstraZeneca Research and Development, Mölndal, Sweden. 6. Medical Department, Hospital Unit West, Herning/Holstebro, Denmark. 7. Medizinishe Klinik, Universitätsklinikum Heidelberg, Heidelberg, Germany. 8. INSERM-Unité 1148, Paris, France Assistance Publique-Hôpitaux de Paris, Département Hospitalo-Universitaire FIRE, Hôpital Bichat, Paris, France Université Paris-Diderot, Sorbonne-Paris Cité, Paris, France NHLI Imperial College, ICMS, Royal Brompton Hospital, London, UK. 9. Department of Cardiovascular Science, University of Sheffield, Sheffield, UK. 10. Uppsala Clinical Research Center, Uppsala, Sweden Department of Medical Sciences, Clinical Chemistry, Uppsala University, Uppsala, Sweden.
Abstract
AIMS: Growth differentiation factor-15 (GDF-15) predicts death and composite cardiovascular (CV) events in patients with acute coronary syndrome (ACS). We investigated the independent associations between GDF-15 levels and major bleeding, the extent of coronary lesions and individual CV events in patients with ACS. METHODS AND RESULTS:Growth differentiation factor-15 was analysed at baseline ( ITALIC! n = 16 876) in patients with ACS randomized toticagrelor or clopidogrel in the PLATO (PLATelet inhibition and patient Outcomes) trial. Growth differentiation factor-15 levels were related to extent of coronary artery disease (CAD) and to all types of non-coronary artery bypass grafting (CABG)-related major bleeding, spontaneous myocardial infarction (MI), stroke, and death during 12-month follow-up. In Cox proportional hazards models adjusting for established risk factors for CV disease and prognostic biomarkers (N-terminal pro B-type natriuretic peptide, cystatin C, high-sensitive C-reactive protein, and high-sensitive troponin T), 1 SD increase in ln GDF-15 was associated with increased risk of major bleeding with a hazard ratio (HR) 1.37 (95% confidence interval: 1.25-1.51) and with a similar increase in risk across different bleeding locations. For the same increase in ln GDF-15, the HR for the composite of CV death, spontaneous MI, and stroke was 1.29 (1.21-1.37), CV death 1.41 (1.30-1.53), all-cause death 1.41 (1.31-1.53), spontaneous MI 1.15 (1.05-1.26), and stroke 1.19 (1.01-1.42). The ITALIC! C-statistic improved for the prediction of CV death and non-CABG-related major bleeding when adding GDF-15 to established risk factors. CONCLUSIONS: In patients with ACS, higher levels of GDF-15 are associated with raised risks of all types of major non-CABG-related bleeding, spontaneous MI, and stroke as well as CV and total mortality and seem to improve risk stratification for CV-mortality and major bleeding beyond established risk factors. CLINICAL TRIAL REGISTRATION: www.clinicaltrials.gov; NCT00391872. Published on behalf of the European Society of Cardiology. All rights reserved.
RCT Entities:
AIMS: Growth differentiation factor-15 (GDF-15) predicts death and composite cardiovascular (CV) events in patients with acute coronary syndrome (ACS). We investigated the independent associations between GDF-15 levels and major bleeding, the extent of coronary lesions and individual CV events in patients with ACS. METHODS AND RESULTS:Growth differentiation factor-15 was analysed at baseline ( ITALIC! n = 16 876) in patients with ACS randomized to ticagrelor or clopidogrel in the PLATO (PLATelet inhibition and patient Outcomes) trial. Growth differentiation factor-15 levels were related to extent of coronary artery disease (CAD) and to all types of non-coronary artery bypass grafting (CABG)-related major bleeding, spontaneous myocardial infarction (MI), stroke, and death during 12-month follow-up. In Cox proportional hazards models adjusting for established risk factors for CV disease and prognostic biomarkers (N-terminal pro B-type natriuretic peptide, cystatin C, high-sensitive C-reactive protein, and high-sensitive troponin T), 1 SD increase in ln GDF-15 was associated with increased risk of major bleeding with a hazard ratio (HR) 1.37 (95% confidence interval: 1.25-1.51) and with a similar increase in risk across different bleeding locations. For the same increase in ln GDF-15, the HR for the composite of CV death, spontaneous MI, and stroke was 1.29 (1.21-1.37), CV death 1.41 (1.30-1.53), all-cause death 1.41 (1.31-1.53), spontaneous MI 1.15 (1.05-1.26), and stroke 1.19 (1.01-1.42). The ITALIC! C-statistic improved for the prediction of CV death and non-CABG-related major bleeding when adding GDF-15 to established risk factors. CONCLUSIONS: In patients with ACS, higher levels of GDF-15 are associated with raised risks of all types of major non-CABG-related bleeding, spontaneous MI, and stroke as well as CV and total mortality and seem to improve risk stratification for CV-mortality and major bleeding beyond established risk factors. CLINICAL TRIAL REGISTRATION: www.clinicaltrials.gov; NCT00391872. Published on behalf of the European Society of Cardiology. All rights reserved.
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