title: Compressed valve in a calcified right ventricular outflow tract.
authors.affiliation: Department of Congenital Cardiac Defects, Institute of Cardiology, Warsaw, Poland.
authors.forename: Elżbieta Katarzyna
authors.initials: EK
authors.lastname: Biernacka
authors.affiliation: Department of Coronary and Structural Heart Diseases, Institute of Cardiology, Warsaw, Poland.
authors.forename: Marcin
authors.initials: M
authors.lastname: Demkow
authors.affiliation: Department of Cardiosurgery and Transplantology, Institute of Cardiology, Warsaw, Poland.
authors.forename: Mariusz
authors.initials: M
authors.lastname: Kuśmierczyk
authors.affiliation: Department of Coronary and Structural Heart Diseases, Institute of Cardiology, Warsaw, Poland.
authors.forename: Witold
authors.initials: W
authors.lastname: Rużyłło
keywords: congenital heart disease; transcatheter valve implantation