PO-674-01 PROXIMITY OF TRANSCATHETER PULMONARY VALVE PROSTHESES TO ANATOMICAL VENTRICULAR TACHYCARDIA ISTHMUSES IN REPAIRED TETRALOGY OF FALLOT

Abstract

Transcatheter pulmonary valve replacement (TPVR) is the preferred treatment for patients with repaired Tetralogy of Fallot (rTOF) and dysfunctional RV-to-pulmonary artery conduits or surgical bioprosthetic pulmonary valves. With the introduction of the Medtronic Harmony TPV, TPVR candidacy has expanded to include patients with native RV outflow tracts (RVOTs). rTOF patients are at risk for sudden death from ventricular tachycardia (VT), most often using critical RVOT anatomic isthmuses (AI) in the area where TPVs are deployed.