“…Other options include femoral or axillary artery cannulation for cardiopulmonary bypass, 68,83 intraluminal balloon catheter as a substitute for external clamps, 84 avoidance of proximal graft anastomoses on the ascending aorta, 85 and CABG performed during deep hypothermic circulatory arrest. 86 Extended procedures such as ascending aorta endarterectomy, 87 patch aortoplasty, and graft replacement of the ascending aorta 88,89 have also been described.…”