Letter by Philip Regarding Articles, “Clinical and Hemodynamic Outcomes up to 7 Years After Transcatheter Pulmonary Valve Replacement in the US Melody Valve Investigational Device Exemption Trial” and “Pediatric Transcatheter Valve Replacement: Guests at Our Own Table?”

I read with much interest the recent article and editorial by Cheatham et al1 and Petit2 in Circulation evaluating the long-term outcomes after transcatheter pulmonary valve implantation in 171 patients. In 148 patients who received the transcatheter pulmonary valve, 32 patients underwent right ventricular outflow tract reintervention for obstruction (n=27, with stent fracture in 22), endocarditis (n=3, 2 with stenosis and 1 with pulmonary regurgitation), or right ventricular dysfunction (n=2). Their work is in keeping with the current research efforts that have reorientated from establishing …