Longer Warfarin Therapy After Bioprosthetic Aortic Valve Replacement May Be Beneficial

Three months of warfarin is the usual standard of care following bioprosthetic aortic valve replacement (AVR),  although the supporting evidence base for this practice is limited. Now a large new registry study published in JAMA suggests that more prolonged warfarin therapy may be beneficial. Danish researchers identified 4,075 patients who underwent bioprosthetic AVR. As expected,…

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