Dr. Attizzani has become a world leader in optimal practices and the minimalist approach (procedure performed under local anestesia only) for transcatheter aortic valve replacement, or TAVR. His extensive experience includes implant and oversight of more than 1,300 transcatheter heart valves. He travels all over the U.S. teaching physicians how to optimally implant these devices. In addition, Dr. Attizzani's expertise has led him to help launch the use of transcatheter heart valve interventions in Japan where he continues to proctor physicians.