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Warfarin, Aspirin, or Both?

Arch Intern Med. 1998;158:1487-1491.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

IN THE PAST DECADE, definitive evidence has emerged from multiple randomized clinical trials that establishes adjusted-dose oral anticoagulants (target international normalized ratio of prothrombin time [INR], approximately 2.0-3.0) as highly effective and safe therapy for prevention of stroke in patients with atrial fibrillation.¹ Since 1992, several authoritative groups, including the American College of Chest Physicians, American Heart Association, and American College of Physicians have strongly and repeatedly recommended that most patients with atrial fibrillation be prescribed adjusted-dose warfarin sodium therapy.^2-5 Despite compelling data and definitive recommendations, most of these patients are not receiving oral anticoagulation therapy. Although aspirin is less effective than warfarin for stroke prevention in these patients, it continues to be commonly prescribed, and a substantial number of eligible patients with atrial fibrillation receive no antithrombotic therapy.^6-7

Underuse of warfarin for patients with atrial fibrillation has been attributed to numerous factors, including physician reluctance to prescribe a medication . . . [Full Text of this Article]

IS LOW-INTENSITY, FIXED-DOSE WARFARIN EFFECTIVE FOR STROKE PREVENTION?


DOES ASPIRIN IMPROVE THE EFFICACY OF LOW-INTENSITY, FIXED-DOSE WARFARIN?

WHICH PATIENTS ARE APPROPRIATE CANDIDATES FOR ASPIRIN THERAPY?

CHOICE OF ANTITHROMBOTIC THERAPY FOR PATIENTS WITH ATRIAL FIBRILLATION

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