biostudies-literaturePeek NEuropean Union’s Horizon 2020European Union's Horizon 20204616-4626https://www.ebi.ac.uk/biostudies/studies/S-EPMC11560274biostudies-literatureUnknown45(43)<h4>Background and aims</h4>Risk stratification of sudden cardiac death after myocardial infarction and prevention by defibrillator rely on left ventricular ejection fraction (LVEF). Improved risk stratification across the whole LVEF range is required for decision-making on defibrillator implantation.<h4>Methods</h4>The analysis pooled 20 data sets with 140 204 post-myocardial infarction patients containing information on demographics, medical history, clinical characteristics, biomarkers, electrocardiography, echocardiography, and cardiac magnetic resonance imaging. Separate analyses were performed in patients (i) carrying a primary prevention cardioverter-defibrillator with LVEF ≤ 35% [implantable cardioverter-defibrillator (ICD) patients], (ii) without cardioverter-defibrillator with LVEuropean heart journalSudden cardiac death after myocardial infarction: individual participant data from pooled cohorts.PMC11560274No. 847999Mont LSchwartz PJElders PLeyva FHindricks GJunttila JZabel Mvan der Geest RJMarijon ESchmidt GJarkovsky JSprague DLeigh JMerino JLLongato EKiviniemi AWilde ATijssen JGPTomaselli GFTaleb YJouven XPeek NFusini LCook NBraunschweig FShamloo ASBoveda SVerstraelen TGale CPKautzner JManca APontone GSuleiman Mde Chillou CWu KCTfelt-Hansen JWillems RThiele HPester JKutyifa VLeclercq CFaxen JMartin GPMiller CANielsen JCRoca ILee DCLenarczyk RMaeng MJenkins DADagres NTan HLVinayagamoorthy MBarthel POlsen TOlesen KKWTaborsky MSticherling CAkbarov AJohansen JBMarschall UKapacee ZOng MParkes LMAlbert CFriede TfalseSudden cardiac death after myocardial infarction: individual participant data from pooled cohorts.<h4>Background and aims</h4>Risk stratification of sudden cardiac death after myocardial infarction and prevention by defibrillator rely on left ventricular ejection fraction (LVEF). Improved risk stratification across the whole LVEF range is required for decision-making on defibrillator implantation.<h4>Methods</h4>The analysis pooled 20 data sets with 140 204 post-myocardial infarction patients containing information on demographics, medical history, clinical characteristics, biomarkers, electrocardiography, echocardiography, and cardiac magnetic resonance imaging. Separate analyses were performed in patients (i) carrying a primary prevention cardioverter-defibrillator with LVEF ≤ 35% [implantable cardioverter-defibrillator (ICD) patients], (ii) without cardioverter-defibrillator with LV2024-01-01T00:00:00Z2024 Nov2025-04-04T00:38:30.056Z2025-04-04T00:38:30.056ZS-EPMC115602743937824510.1093/eurheartj/ehae326