Stroke prevention by aspirin or warfarin for atrial fibrillation

James M. Kitchens, MD Toronto General Hospital Toronto, Ontario

Either warfarin or aspirin reduces the risk of ischemic stroke and systemic embolism in patients with nonrheumatic atrial fibrillation.

Randomized Controlled Trial
2 effects
1.3 years
1330 subjects

Reported Outcomes

VariablesOutcomeEffectLatency

Aspirin Manufactured risk & protective factor
Aspirin
Manufactured

Stroke Brain outcome
Stroke
Brain

Strong Decrease

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Aspirin Manufactured risk & protective factor
Aspirin
Manufactured

Mortality Musculoskeletal outcome
Mortality
Musculoskeletal

Strong Decrease

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