Following a 100 percent initial success rate with 13 patients, Prof. Chaim Lotan, head of Hadassah’s Heart Institute, and Prof. Haim Danenberg, Director of Interventional Cardiology, have received the prestigious certification to perform Tanscatheter Aortic Valve Implantation (TAVI). Hadassah is the first center in Israel to be authorized to perform this revolutionary procedure, a noninvasive alternative to surgical replacement of a calcified aortic valve.