Key result
In patients with acute myocardial infarction treated with primary PCI, atrial fibrillation was not an independent predictor of long-term all-cause mortality (HR 1.15; 95% CI 0.67-1.88; P=0.588).
Why the study?
Does the presence of atrial fibrillation impact in-hospital and long-term mortalities in patients with acute myocardial infarction undergoing primary PCI?
Cohort (n=694)
Does the presence of atrial fibrillation impact in-hospital and long-term mortalities in patients with acute myocardial infarction undergoing primary PCI?
Hazard Ratio: 1.15 (95% CI 0.67–1.88)
Absolute Event Rate: 30.3% vs 22.1%
p-value: p=0.588
Although atrial fibrillation is a common complication in AMI patients undergoing primary PCI and is associated with a more complicated clinical course, it is not an independent predictor of in-hospital or long-term mortality after adjusting for baseline confounders.
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AF should not independently alter post-PCI risk stratification in AMI; leaves open whether rhythm-specific interventions modify outcomes after confounder adjustment.
Tateyama et al. (2014) conducted a cohort in acute myocardial infarction (n=694). Atrial fibrillation vs. No atrial fibrillation was evaluated on long-term all-cause mortality (HR 1.15, 95% CI 0.67-1.88, p=0.588). In patients with acute myocardial infarction treated with primary PCI, atrial fibrillation was not an independent predictor of long-term all-cause mortality (HR 1.15; 95% CI 0.67-1.88; P=0.588).
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