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Risk of Recurrent Venous Thromboembolism After an Initial Episode: Risk Stratification and Implications for Long-term
Vineet Agrawal1, Esther S H Kim2
1Division of Cardiology, Department of Medicine, Heart and Vascular Institute, Vanderbilt University Medical Center, 1215 Ave South Medical Center East, 5th Floor, South Tower, Nashville, TN, 37232-8802, USA.
Purpose Of Review:
Venous thromboembolism (VTE) is a common condition with significant associated morbidity and mortality. Recurrent VTE after an initial episode is a preventable medical condition. The following review discusses data supporting recurrence risk estimates after an initial VTE episode as well as treatment strategies to mitigate risk of recurrent VTE.
Recent Findings:
This review particularly highlights methods for stratifying the risk of recurrent VTE and recent studies that have evaluated direct oral anticoagulants for the prevention of recurrent VTE. Risk assessment for VTE recurrence should guide anticoagulation duration. In patients who present with unprovoked VTE events, there remains a high risk of recurrence that is significantly mitigated with extended duration anticoagulation with either a vitamin K antagonist or direct oral anticoagulant.
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