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Previous Volume 334:1138-1139 April 25, 1996 Number 17 Next

	Since this article has no abstract, we have provided an extract of the first 100 words of the full text and any section headings.

	Full Text Purchase this article Add to Personal Archive Add to Citation Manager Notify a Friend E-mail When Cited Related Article by Barnett, H. J.M. Related Article by Bronner, L. L.

To the Editor: In their comprehensive and extensive review of the primary prevention of stroke (Nov. 23 issue),¹ Bronner et al. do not mention atrial fibrillation as a risk factor for ischemic stroke. Data from the Framingham Study² indicate that nonrheumatic atrial fibrillation is associated with a nearly fivefold increase in the risk of ischemic stroke, and the risk increases at a rate of 5 to 7 percent per year. Cerebral infarction eventually occurs in up to 35 percent of patients with atrial fibrillation.

Four prospective studies of the primary prevention of stroke in patients with nonvalvular atrial fibrillation^3,4,5,6 have . . . [Full Text of this Article]

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