We highlight the increased thromboembolic risk with coexisting AF and type 2 diabetes. We recommend that further studies be done to evaluate the potential benefits of anticoagulation for all patients who have both and the potential for non-vitamin K oral anticoagulants to have greater benefits than risks over vitamin K antagonists.
Venous thromboembolism (VTE), which includes both deep vein thrombosis and pulmonary embolism (PE), is a very common disorder with high risk for recurrence and is associated with significant morbidity and mortality. The non-vitamin K oral anticoagulants (NOACs), which include dabigatran, rivaroxaban, apixaban, and edoxaban, have been shown to be noninferior to conventional anticoagulant therapy for the prevention of recurrent VTE and are associated with more favorable bleeding risk. Evidence from the treatment of VTE with traditional therapy (low molecular weight heparin and vitamin K antagonists) implies that extended or indefinite treatment reduces risk of recurrence. Recently, mounting evidence suggests a role for the extended use of NOACs to reduce the risk of VTE recurrence. This review summarizes the existing evidence for the extended use of NOACs in the treatment of VTE from phase III extension studies with dabigatran, rivaroxaban, and apixaban. Additionally, it examines and discusses the major society guidelines and how these recommendations may change physician practices in the near future.
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