Custódio, PedroCarvalho, AntónioBico, Pedro2023-06-082023-06-082023http://hdl.handle.net/10400.26/45127The transcatheter bicaval valve system is an emerging therapeutic option for tricuspid regurgitation, consisting of 2 biological valves to prevent caval reflux. The experience with this device is still scarce, and to the best of our knowledge, this is the first case of thrombosis ever reported. (Level of Difficulty: Advanced.) (J Am Coll Cardiol Case Rep 2023;6:101609) © 2023 The Authors. Published by Elsevier on behalf of the American College of Cardiology Foundation. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).engthrombosistricuspid regurgitationtricuspid valvejournal article10.1016/j.jaccas.2022.08.025