Comparison of warfarin and aspirin for symptomatic intracranial arterial stenosis.

Abstract

BACKGROUND Atherosclerotic intracranial arterial stenosis is an important cause of stroke. Warfarin is commonly used in preference to aspirin for this disorder, but these therapies have not been compared in a randomized trial. METHODS We randomly assigned patients with transient ischemic attack or stroke caused by angiographically verified 50 to 99… (More)

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