Early in a coronary artery bypass operation, during vein harvesting from the legs (left of image) and the establishment of cardiopulmonary bypass by placement of an aortic cannula (bottom of image). The perfusionist and heart-lung machine are on the upper right. The patient's head (not seen) is at the bottom.
The great saphenous vein and landmarks along its course
René Gerónimo Favaloro was an Argentine cardiac surgeon and educator best known for his pioneering work on coronary artery bypass surgery using the great saphenous vein.
Superficial veins draining into the great saphenous and femoral vein.
Three coronary artery bypass grafts, a LIMA to LAD and two saphenous vein grafts – one to the right coronary artery system and one to the obtuse marginal system.
Superficial veins of lower limb. Superficial dissection. Anterior view.
Illustration depicting single, double, triple, and quadruple bypass
Great saphenous vein. Deep dissection. Anterior view.
Illustration of a typical coronary artery bypass surgery. A vein from the leg is removed and grafted to the coronary artery to bypass a blockage.
Illustration depicting veins of the leg including great saphenous vein (anterior view).
Coronary artery bypass surgery during mobilization (freeing) of the right coronary artery from its surrounding tissue, adipose tissue (yellow). The tube visible at the bottom is the aortic cannula (returns blood from the HLM). The tube above it (obscured by the surgeon on the right) is the venous cannula (receives blood from the body). The patient's heart is stopped and the aorta is cross-clamped. The patient's head (not seen) is at the bottom.
Heart bypass patient showing almost invisible residual scarring. Left: days after operation. Middle: chest scar, two years later. Right: leg scar from harvested vein, two years later.
Illustration depicting coronary artery bypass surgery (double bypass)
Illustration of Single bypass
Illustration of Double bypass
Illustration of Triple bypass
Illustration of Quadruple bypass

In the other, a great saphenous vein is removed from a leg; one end is attached to the aorta or one of its major branches, and the other end is attached to the obstructed artery immediately after the obstruction to restore blood flow.

- Coronary artery bypass surgery

The vein is often removed by cardiac surgeons and used for autotransplantation in coronary artery bypass operations, when arterial grafts are not available or many grafts are required, such as in a triple bypass or quadruple bypass.

- Great saphenous vein
Early in a coronary artery bypass operation, during vein harvesting from the legs (left of image) and the establishment of cardiopulmonary bypass by placement of an aortic cannula (bottom of image). The perfusionist and heart-lung machine are on the upper right. The patient's head (not seen) is at the bottom.

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