Original Title: Ballon-Expandable Trancatheter Aortic valve Replacement in Patients whit Extreme Aortic Valve Calcification. Reference: Yigal Abramowitz, et al. Catetherization and Cardiovascular Intervention 2016;87:117-1179.   Courtesy of Dr. Carlos Fava.   Transcatheter aortic valve replacement (TAVI) emerged as a valid option to treat high risk inoperable patients. A group of these patients presents extreme valve…