Practice Point

Nature Clinical Practice Neurology (2007) 3, 252-253
doi:10.1038/ncpneuro0450  
Received 20 November 2006 | Accepted 5 February 2007 | Published online: 6 March 2007

Antithrombotic treatment and stroke severity in patients with atrial fibrillation

Natan M Bornstein* and Eitan Auriel

Correspondence *Department of Neurology, Tel Aviv Sourasky Medical Center, 6 Weizmann St, 64239 Tel Aviv, Israel

Email
 strokeun@tasmc.health.gov.il

This article has no abstract so we have provided the first paragraph of the full text.

AF is the most common cardiac arrhythmia—affecting more than two million people in the US1—and an important independent risk factor for ischemic stroke.2 Anticoagulation therapy with adjusted-dose warfarin has been shown to reduce the risk of stroke in patients with AF by about 40%, relative to aspirin, regardless of whether the stroke is primary or secondary.3 The effects of warfarin treatment on stroke severity and mortality among patients with AF are, however, less clear.

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