The study is a prospective, non-randomized, multi-center clinical study to assess the safety and effectiveness of pulmonic implantation of the SAPIEN THV in patients with dysfunctional RVOT conduits requiring treatment for moderate or severe pulmonary regurgitation (PR) by transthoracic echocardiography (TTE) and/or RVOT conduit obstruction with a mean gradient of ≥ 35 mmHg by TTE.
