Heart failure following STEMI: a contemporary cohort study of incidence and prognostic factors

Johannes M. I. H. Gho, Pieter G. Postema, Maartje Conijn, Nienke Bruinsma, Jonas S. S. G. de Jong, Connie R. Bezzina, Arthur A. M. Wilde, Folkert W. Asselbergs

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Abstract

The aim of the current study was to determine the contemporary incidence, risk factors and prognosis of heart failure (HF) after ST-elevation myocardial infarction (STEMI). We used the Arrhythmia Genetics in the Netherlands observational cohort study to identify patients with a first STEMI from 2001 onwards (n=1459). HF during follow-up was defined as hospitalisation for HF or an outpatient clinic visit for HF. Cox regression was performed to estimate the relationship between baseline covariates and the onset of HF. Follow-up was completed for 1360 (93.2%) patients with an overall median follow-up time of 6.7 years, 1232 (90.6%) of these patients had undergone primary percutaneous coronary intervention (PCI). A total of 85 patients (6.3%) developed HF during follow-up. HF cases were significantly older at their index MI (59.9 vs 57.2 years, P <0.001) and more commonly had a history of atrial fibrillation (6.1% vs 1.4%, P=0.001) than controls without HF. The crude incidence rate of HF after STEMI was 9.7 (95% CI 7.7 to 11.8) per 1000 person-years. In multivariable analysis, peak creatine kinase MB (CK-MB) levels (HR 1.11 per 100 U/L (95% CI 1.11 to 1.22)) and a left anterior descending artery (LAD) culprit lesion (HR 2.88 (95% CI 1.53 to 5.40)) were risk factors associated with HF. We found a relatively low long-term contemporary incidence of HF after a first STEMI in the current PCI era in comparison with other reports. Higher CK-MB levels and a LAD culprit lesion at index STEMI were important risk factors for the development of HF after STEMI. NCT03007199; Results
Original languageEnglish
Article numbere000551
JournalOpen Heart
Volume4
Issue number2
DOIs
Publication statusPublished - 2017

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