The study will enroll up to 200 patients at up to 6 sites. Patients will be enrolled upon meeting entrance criteria, including obtaining written informed consent. Eligible patients must be clinically indicated for coronary artery bypass grafting (CABG) using autologous saphenous vein grafts (SVG). The study is a prospective, randomized, repeated measure controlled trial based on each patient receiving one control SVG and one external Saphenous Vein Support (eSVS) Mesh treated SVG. Each patient will be their own control.