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Heart Health

Ask the doctors: Why do I need to take blood thinners after a valve replacement?

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h0313b16207249628397I thought one of the reasons to receive a heart valve made from cow tissue was that you don't have to take blood thinners. Now my doctor is telling me that I will need to take warfarin [Coumadin] for several months after I have my aortic valve replaced. Has the thinking changed?

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