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Net Clinical Benefit for Oral Anticoagulation, Aspirin, or No Therapy in Nonvalvular Atrial Fibrillation Patients With 1 Additional Risk Factor of the CHA 2 DS 2 -VASc Score (Beyond Sex)
Whether to anticoagulate patients with atrial fibrillation (AF) and 1 stroke risk factor (i.e., CHA2DS2-VASc [congestive heart failure, hypertension, age>75 years, diabetes mellitus, stroke, vascular disease, age 65–75 years, and female sex] score = 1 in men, or 2 in women) is controversial, but many studies report ischemic stroke rates of>1.5% per year, even with 1 stroke risk factor (1). We estimated the net clinical benefit (NCB) of aspirin or warfarin compared with no antithrombotic therapy among such patients on the basis of a nationwide Danish cohort, with incident AF diagnosed between 1998 and 2012 (2). Men w...
Source: Journal of the American College of Cardiology - July 20, 2015 Category: Cardiology Source Type: research

Oral Anticoagulation, Aspirin, or No Therapy in Patients With Nonvalvular AF With 0 or 1 Stroke Risk Factor Based on the CHA 2 DS 2 -VASc Score
ConclusionsLow-risk patients (CHA2DS2-VASc = 0 [male], 1 [female]) have a truly low risk for stroke and bleeding. With 1 additional stroke risk factor (CHA2DS2-VASc = 1 [male], = 2 [female]), there was a significant increase in event rates (particularly mortality) if nonanticoagulated.
Source: Journal of the American College of Cardiology - April 6, 2015 Category: Cardiology Source Type: research