What are the AHA/ASA guidelines for antithrombotic therapy in transient ischemic attack (TIA) with aortic valve disease?

Updated: Dec 03, 2018
  • Author: Ashish Nanda, MD; Chief Editor: Andrew K Chang, MD, MS  more...
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Answer

In aortic valve disease, antiplatelet therapy may be considered. For patients with mechanical prosthetic valves, oral anticoagulation with warfarin (target INR, 2.5-3.5) is recommended. For those who experience TIAs despite therapeutic INR, aspirin 75-100 mg/day can be added to the regimen. Patients with bioprosthetic valves and no other source of thromboembolism who experience TIAs can be considered for oral anticoagulation with warfarin (target INR, 2-3).


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