Assessment of TRanscathetEr and Surgical Aortic BiOprosthetic Valve Thrombosis and Its TrEatment With Anticoagulation

Patients with prosthetic valve abnormalities suggestive of thrombus will be administered anticoagulation therapy with Vitamin K antagonists (Warfarin) for 3 months with goal INR 2-3, followed by repeat contrast CT of the chest and transthoracic imaging. Repeat imaging following 3 months of anticoagulation therapy is performed to evaluate the response to anticoagulation therapy.