Gene Test Improves Coumadin (Warfarin) Use for Stroke Prevention in Atrial Fibrillation (AF)

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Genetic tests that show high or low sensitivity to blood thinner (anticoagulant) drugs like warfarin (Coumadin) not only improve dosing accuracy but also reduce hospitalization by 31 percent, according to a new study just presented at the American College of Cardiology scientific sessions. Coumadin is often prescribed for people who have afib to prevent blood clots that can cause strokes.

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