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IMPORTANCE: No-touch saphenous vein harvesting preserves perivascular tissue and may improve graft patency after coronary artery bypass grafting (CABG), but whether it reduces long-term clinical events remains uncertain.OBJECTIVE: To compare 7-year clinical outcomes after no-touch vs conventional saphenous vein harvesting in patients undergoing CABG.DESIGN, SETTING, AND PARTICIPANTS: This is a pre
