Why the study?
To evaluate the prognosis and risk of death in patients with ischemic stroke according to the timing of an AF diagnosis.
Does the timing of atrial fibrillation diagnosis affect all-cause mortality in patients with incident ischemic stroke?
Population
1,489 individuals with incident ischemic stroke from the Penn AF Free study
Comparison
Sinus rhythm vs known AF vs AF diagnosed after stroke (≤6 months or >6 months)
Design
Inception cohort study
Follow-up
Median 4.9 years
Authors
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AF detection soon after stroke signals higher mortality; observational data leaves open whether timing guides targeted interventions.
Does the timing of atrial fibrillation diagnosis affect all-cause mortality in patients with incident ischemic stroke?
Atrial fibrillation diagnosed within 6 months after an ischemic stroke is associated with a significantly higher risk of all-cause mortality compared to stroke patients without AF, independent of comorbidities and antithrombotic use.
Bhatla et al. (2021) studied this question.
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