Courtesy of Dr. Carlos Fava. Provitional ventricular assist devices are increasingly used in high-risk angioplasties, particularly those involving unprotected left main coronary artery (LMCA) with defective ventricular functioning. However, so far its true role has not been well-studied.   This study analyzed 127 consecutive patients in the USpella registry from 2008 to 2015. These subjects underwent high-risk…