title: Reply to Demirkol et al.
authors.affiliation: Department of Anesthesiology, Heart Center Freiburg University, Bad Krozingen, Germany cornelius.keyl@universitaets-herzzentrum.de.
authors.forename: Cornelius
authors.initials: C
authors.lastname: Keyl
authors.affiliation: Department of Cardiology and Angiology II, Heart Center Freiburg University, Bad Krozingen, Germany.
authors.forename: Jens
authors.initials: J
authors.lastname: Schneider
authors.affiliation: Department of Cardiovascular Surgery, Heart Center Freiburg University, Bad Krozingen, Germany.
authors.forename: Matthias
authors.initials: M
authors.lastname: Siepe
authors.affiliation: Department of Cardiology and Angiology II, Heart Center Freiburg University, Bad Krozingen, Germany.
authors.forename: Nikolaus
authors.initials: N
authors.lastname: Jander
keywords: Aortic valve replacement; Right ventricular function; Three-dimensional echocardiography; Transcatheter aortic valve implantation