Subclinical valve thrombosis after transcatheter aortic valve intervention (TAVI) has emerged as a challenge to the standardization of antithrombotic therapy after valve implantation. Results of the randomized ATLANTIS trial, presented also today, May 15, as a Late Breaking Clinical Trial at ACC 2021, showed no superiority of apixaban over standard of care after transcatheter aortic valve intervention, irrespective of the baseline need for anticoagulants. In his Focused Clinical Research Session, Gilles Montalescot, MD, PhD, Professor of Cardiology at the Pitié-Salpêtrière Hospital, Paris, presented the 4D-CT substudy results to assess the incidence and implications of CT-proven valve thrombosis. Continue reading →