• Paolo Prandoni, Sally Temraz, and Ali Taher.
• Department of Medicine, Vascular Medicine Unit, University of Padua, Padua, Italy. Electronic address: paoloprandoni@tin.it.
• Semin. Hematol. 2014 Apr 1; 51 (2): 121-30.

AbstractHospitalized medical and surgical patients encompass a group of patients in whom venous thromboembolism (VTE) poses a major concern on morbidity and mortality. Recently, direct oral anticoagulants for the prevention of VTE have been developed to overcome the drawbacks of the food/drug interactions and the need for frequent laboratory monitoring and dose adjustments associated with the use of vitamin K antagonists and the inconvenience of the subcutaneous administration of low-molecular-weight heparins and fondaparinux. The novel oral anticoagulants that have been tested in major clinical trials for VTE prevention in medical and surgical patients are the thrombin inhibitor dabigatran and the factor Xa inhibitors apixaban, rivaroxaban, and edoxaban, which will be the focus of this review. While the new drugs proved to be highly effective and safe in the prevention of VTE following major orthopedic surgery, they failed to show a favorable benefit-to-risk profile in hospitalized medical patients receiving extended anticoagulation beyond the hospital stay.Copyright © 2014 Elsevier Inc. All rights reserved.

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