Why is the saphenous vein used for cabg?

Its yours! As surgeons, we always prefer to use the patient's own tissue rather than something foreign, as it is more resistent to infection.
Saphenous vein. the reason this vein is being used, if it is normal, is because this vein of the lower extremity is not needed for vein blood flow return back towards the heart. This makes it suitable to replace and artery of the heart with this vein and allow the vein to then become functioning like an artery.
Its length. The great saphenous vein is used for CABG because of its length and size and because you can live without it. There are limitations to its use though. If it has become abnormal because of having varicose veins, it isn't used. Nowadays, stents are often used where veins used to be required or arteries from inside the chest or the wrist are used instead.

Related Questions

How is the saphenous vein commonly used for CABG graft?

Not most common. The internal mammary artery is the best graft for coronary artery bypass grafting (cabg), saphenous vein used for backup. One of the best operations ever invented, the left internal mammary artery to coronary artery bypass graft is the gold standard by which almost any vascular operation is compared to with a patency of over 90% at 10 years. There is almost no operation with a patency that high. Read more...
Not sure. what you're asking. it's used quite commonly. it is harvested using an endoscopic or open technique. usually, one end is connected to the aorta, the other end is connected to the coronary artery past the blockage. . Read more...
CAB and Saphenous. The saphenous vein is the usual vein used for coronary artery bypass for several reasons. It is easily accessible under the skin. It is long and usually of adequate diameter. It is technically easy to remove and thee are saphenous veins in both legs. Also, removing the saphenous vein does not cause any untoward effects. Read more...