Outcome of patients after emergency conversion from transcatheter aortic valve implantation to surgery

Ralph Hein1, MD; Mohamed Abdel-Wahab2, MD; Horst Sievert3, MD; Karl-Heinz Kuck4, MD; Matthias Voehringer5, MD; Rainer Hambrecht6, MD; Stefan Sack7, MD; Karl E. Hauptmann8, MD; Jochen Senges9, MD; Ralf Zahn10, MD, Harald Mudra1*, MD; German Transcatheter Aortic Valve Interventions Registry Investigators