A difficult but successful cross-over using a Snare catheter to secure the 18 F arterial puncture. Implications for the TAVI daily practice. (1st April 2015) - Latsios, George; Toutouzas, Konstantinos; Synetos, Andreas; Drakopoulou, Maria; Mastrokostopoulos, Antonios; Stathogiannis, Konstantinos; Papaioannou, Spyridon; Trantalis, George; Kaitozis, Odysseas; Tousoulis, Dimitris