Why the study?
New-onset atrial fibrillation (NOAF) complicating acute myocardial infarction has been associated with poor survival, but its clinical implication on heart failure is not well characterized.
Does new-onset atrial fibrillation complicating acute myocardial infarction increase the risk of heart failure hospitalization in adult AMI patients?
Population
2075 adult AMI patients discharged alive from a registry in Shanghai
Comparison
Patients with NOAF vs sinus rhythm
Design
Registry-based observational cohort study
Follow-up
Median 2.7 years
Key result
New-onset atrial fibrillation complicating acute myocardial infarction was significantly associated with an increased risk of heart failure hospitalization (HR 3.14; 95% CI 2.30-4.28; P<0.001).
Authors
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Signals need for vigilant HF monitoring in AMI patients with new-onset AF; extends prior associations but remains hypothesis-generating.
Cohort (n=2,075)
Does new-onset atrial fibrillation complicating acute myocardial infarction increase the risk of heart failure hospitalization in adult AMI patients?
Effect estimate: HR 3.14 (95% CI 2.30-4.28)
Absolute Event Rate: 18.4% vs 2.8%
p-value: p=<0.001
Luo et al. (2020) conducted a cohort in Acute myocardial infarction (n=2,075). New-onset atrial fibrillation (NOAF) vs. Sinus rhythm was evaluated on Heart failure hospitalization (HR 3.14, 95% CI 2.30-4.28, p=<0.001). New-onset atrial fibrillation complicating acute myocardial infarction was significantly associated with an increased risk of heart failure hospitalization (HR 3.14; 95% CI 2.30-4.28; P<0.001).