A multicentre European registry to evaluate the Direct Flow Medical transcatheter aortic valve system for the treatment of patients with severe aortic stenosis

Christoph K. Naber1*, MD; Stylianos A. Pyxaras1, MD; Hüseyin Ince2,3, MD; Peter Frambach4, MD; Antonio Colombo5, MD; Christian Butter6, MD; Fernando Gatto7, MD; Ulrich Hink8, MD; Georg Nickenig9, MD; Giuseppe Bruschi10, MD; Guus Brueren11, MD; Didier Tchétché12, MD; Peter Den Heijer13, MD; Wolfgang Schillinger14, MD; Smita Scholtz15, MD; Jan Van der Heyden16, MD, PhD; Thierry Lefèvre17, MD; Martine Gilard18, MD; Karl-Heinz Kuck19