Overview Endothelial Function in Lower Extremity Bypass Grafts Status: Completed Trial end date: 2009-12-01 Target enrollment: Participant gender: Summary This study will determine whether or not saphenous vein [arterial] bypass grafts in the leg relax in response to increases in blood flow. Phase: N/A Details Lead Sponsor: Brigham and Women's HospitalTreatments: omega-N-Methylarginine