Healthy Years - Warfarin better than aspirin in preventing strokes in elderly
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The clot-prevention drug warfarin (Coumadin) is more effective than aspirin in preventing strokes among older adults with an abnormal heartbeat known as atrial fibrillation, according to a study in the Aug. 11 issue of The Lancet. The study included 973 patients, average age 81, and represents the largest investigation of its kind ever conducted. During a period of 2.7 years, those who took warfarin had 50 percent fewer strokes than those who took aspirin. Prior to this study, doctors have been reluctant to prescribe warfarin because of the risk of excessive bleeding. However, the study also revealed that the risk was the same in both the warfarin and aspirin groups. The authors say the findings establish that warfarin is the most effective way to prevent strokes among people in this age group with atrial fibrillation.
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