Prognostic implications and predictive factors of subclinical leaflet thrombosis following valve-in-valve transcatheter aortic valve implantation.
HALT was frequently observed in patients who underwent ViV TAVI. Additionally, the presence of HALT correlated with a higher incidence of composite outcomes, including all-cause mortality, hospitalisation for HF, and stroke. Assessment of TRanscathetEr and Surgical Aortic BiOprosthetic VaLVe Dysfunction and Its TrEatment with Anticoagulation (RESOLVE; ClinicalTrials.gov: NCT02318342).