ABSTRACT
Introduction Recently, transcatheter therapy has expanded the treatment options for patients with heart valve disease. Several interventional concepts have been suggested for the treatment of severe tricuspid regurgitation (TR) and are currently in dierent developmental stages.1-4 Transcatheter prosthetic valve implantation into the caval veins is one of these concepts that has been extensively evaluated preclinically and also applied for compassionate treatment in human patients.5,6 is chapter reviews the pathophysiologic background and current evidence of caval valve implantation and examines the potential role of this approach for interventional treatment of severe TR.
