A case report: intravalvular regurgitation during percutaneous valve-in-ring implantation due to eccentric bulging of a balloon-expandable valve in a patient with severe right heart failure

摘要

Severely reduced right heart function and high operative risk are major challenges in the treatment of tricuspid regurgitation (TR) as both can lead to low cardiac output heart failure (LCO-Hf). Alternative methods and criteria for patient selection are actively being sought.