| 释义 |
mammary artery grafting mammary artery grafting A method of bypass for coronary narrowing used to overcome the strong tendency of vein grafts to become arterialized and eventually blocked by atherosclerosis and thrombosis. It has been found that grafts using one or both of the internal mammary arteries instead of a length of leg vein remain open longer and are far more resistant than veins to these dangerous disease changes. |