S19-419 Systems, Devices, and Methods to Prevent Auto and Xeno Graft Failure Coronary artery bypass grafting (CABG) surgery is performed on nearly half a million patients with multivessel or diffuse coronary artery disease each year in the United States. Abhay Ramachandra Alison Marsden Jay Humphrey Jack Boyd Hanjay Wang Michael Paulsen Joshua Pickering Muhammad Khan