Great saphenous vein
Saphenous Vein Graft : When undergoing a coronary heart bypass surgery, a graft of a healthy vessel is used for rerouting the blood flow around the blocked vessel on the heart. A portion of the great saphenous vein is commonly used for this purpose and is preferred over an artificial vessel because it has a longer patency. The vein graft is taken from the patient's leg in the knee region and used to connect coronary arteries and restore blood flow to the heart. It is a life saving procedure.
Coronary Artery Bypass Surgery
Also called: Bypass surgery, CABG, Coronary artery bypass graft
In coronary artery disease (CAD), the arteries that supply blood and oxygen to your heart muscle grow hardened and narrowed. You may try treatments such as lifestyle changes, medicines, and angioplasty, a procedure to open the arteries. If these treatments don't help, you may need coronary artery bypass surgery.
The surgery creates a new path for blood to flow to the heart. The surgeon takes a healthy piece of vein from the leg or artery from the chest or wrist. Then the surgeon attaches it to the coronary artery, just above and below the narrowed area or blockage. This allows blood to bypass (get around) the blockage. Sometimes people need more than one bypass.
The results of the surgery usually are excellent. Many people remain symptom-free for many years. You may need surgery again if blockages form in the grafted arteries or veins or in arteries that weren't blocked before. Lifestyle changes and medicines may help prevent arteries from becoming clogged again.
NIH: National Heart, Lung, and Blood Institute
The great saphenous vein (GSV), previously also called the long saphenous vein, is a large, subcutaneous, superficial vein of the leg. It is the longest vein in the body running along the length of the leg.
The terms "saphaina" (Greek, meaning "manifest," "to be clearly seen") and "safoon" (Hebrew, meaning "hidden/covered") as well as "safin" (Arabic, "سافن" meaning "deep/embedded") have been claimed as the origin for the word "saphenous."
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