Question

A 70-year-old woman with a history of unprovoked proximal deep vein thrombosis completed 3 months of anticoagulation with a direct oral anticoagulant. She has no major bleeding risk factors. According to Thrombosis Canada, which statement best reflects the recommended duration of anticoagulation?

Accepted Answer

Continue anticoagulation indefinitely at therapeutic dose unless bleeding risk becomes high

Answer

Stop anticoagulation after 3 months because treatment is complete

Answer

Switch to low-dose aspirin after 3 months and stop anticoagulation

Answer

Give a further 3 months of anticoagulation then stop regardless of risk factors

Answer

Stop anticoagulation now and restart only if a recurrence occurs

Practice question

A 70-year-old woman with a history of unprovoked proximal deep vein thrombosis completed 3 months of anticoagulation with a direct oral anticoagulant. She has no major bleeding risk factors. According to Thrombosis Canada, which statement best reflects the recommended duration of anticoagulation?