- Atrial fibrillation and heart failure significantly impact stroke risk.
- Risk decreased from 32% to 8% over time for HF patients without prior myocardial infarction.
- Stroke rates were higher among HF patients regardless of anticoagulant treatment.
- Oral anticoagulant use increased during the study period.
- Continued risk reassessment is essential for optimizing stroke prevention strategies.
Source: JAHA
