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Very Early Subclinical Valve Thrombosis After Transcatheter Aortic Valve Replacement.

A 69-year-old woman with a history of coronary artery bypass grafting, preserved ejection fraction, and severe symptomatic aortic stenosis was deemed intermediate risk for surgical aortic valve replacement at our institution. The patient and her family expressed a strong desire for transcatheter therapy compared with open surgery, and she, therefore, underwent uncomplicated transfemoral transcatheter aortic valve replacement with a 23-mm Edwards Sapien 3 valve. Post-dilation of the valve was performed for mild paravalvular leak with reduction in the paravalvular leak to trace. Intraprocedural ACT was 252 seconds, and a clopidogrel load was administered …