Hypoattenuated Leaflet Thickening and Reduced Leaflet Motion After Transcatheter Tricuspid Valve Replacement
Hannah Kempton, Lukas Stolz, Thomas J. Stocker, Philipp M. Doldi, Ludwig T. Weckbach, Julia Novotny, Jaqueline G. da Rocha e Silva, Dario Grassini, Nicola Fink, Michael Näbauer, Steffen Maßberg, Jörg Hausleiter
Abstract
BACKGROUND: Reduced leaflet motion (RLM) induced by hypoattenuated leaflet thickening (HALT) is a known complication after bioprosthetic aortic valve replacement, associated with adverse outcomes. A similar phenomenon has been observed after transcatheter tricuspid valve replacement (TTVR) but remains unclassified. OBJECTIVES: The aim of this study was to introduce a grading system for valve thrombosis and dysfunction after TTVR and describe its clinical and echocardiographic associations. METHODS: severity (none, mild to moderate, and severe) and HALT (0°-4°) were developed. These were correlated with clinical and echocardiographic parameters at 30 days and up to 3 years. RESULTS: and anticoagulation strategy. CONCLUSIONS: remains unclear.