Ximelagatran vs Low-Molecular-Weight Heparin and Warfarin for the Treatment of Deep Vein Thrombosis

Abstract
Current therapy for patients with acute venous thromboembolism consists of 5 to 7 days of unfractionated heparin or low-molecular-weight heparin, overlapped with and followed by long-term oral anticoagulation with a vitamin K antagonist such as warfarin. Heparins must be given parenterally, and their administration requires considerable health care resources. Warfarin has an unpredictable dose response, interacts with many drugs, and can be affected by changes in diet; thus, continued coagulation monitoring and dose adjustment are necessary.1,2

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