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Coronary Artery Bypass Grafting (CABG)

Coronary artery bypass grafting (CABG) is a type of surgery that improves blood flow to the heart.  It's used for people who have severe coronary artery disease caused by the build-up of plaque inside the coronary arteries. During CABG, a healthy artery or vein from the body is connected, or grafted, to the blocked coronary artery. The grafted artery or vein bypasses (that is, goes around) the blocked portion of the coronary artery. This creates a new passage, and oxygen-rich blood is routed around the blockage to the heart muscle.