Cylindrical prosthetic valves for the tricuspid position: prospects and limitations

Tricuspid valve (TV) replacement for primary regurgitation is a relatively rare procedure. Bioprosthetic valves are generally preferred because they do not require anticoagulant therapy and tend to degenerate more slowly in the tricuspid position than in the mitral or aortic positions; however, their durability remains limited, particularly in young patients. In contrast, mechanical prosthetic valves require rigorous anticoagulant therapy due to low blood flow in the right heart chambers. Prosthesis selection is especially challenging in cases of infective endocarditis with fibrous annular abscess. The aim of this study is to analyze experimental data on cylinder valves and to review the first clinical experiences reported worldwide. The development of new prosthesis models using inert and more durable materials may address current limitations of TV implants, optimize surgical techniques, and improve patient quality of life in the long-term.