[et2o]

Nowadays they usually use the internal mammary artery. But if they did harvest the RA I don't think it would be possible to inject, let alone spasm :)

[robbiep]

That’s entirely dependent on anatomy, and if you need more than 2 grafts you will almost always take a radial, which is particularly common given the high and increasing rates of diabetes in CABG patients, which produces diffuse disease VS couple primary site blockages. Saphenous vein also a common target