Question

A 70-year-old man with a mechanical mitral valve replacement and chronic atrial fibrillation is reviewed. His INR has been stable on warfarin. Renal function is normal. What is the most appropriate long-term anticoagulation strategy?

Accepted Answer

Continue warfarin with target INR as per valve type

Answer

Cease warfarin and commence apixaban

Answer

Cease warfarin and commence rivaroxaban

Answer

Stop all anticoagulation and use aspirin alone

Answer

Change to low molecular weight heparin injections indefinitely

Practice question

A 70-year-old man with a mechanical mitral valve replacement and chronic atrial fibrillation is reviewed. His INR has been stable on warfarin. Renal function is normal. What is the most appropriate long-term anticoagulation strategy?