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Coronary artery bypass surgery
Surgical procedure to restore normal blood flow to an obstructed coronary artery
"Heart bypass" redirects here.
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For the technique to take over the function of the heart and lungs during surgery, see Cardiopulmonary bypass.
Medical intervention
Coronary artery bypass surgery, also known as coronary artery bypass graft (CABG, pronounced "cabbage"), is a surgical procedure to treat coronary artery disease (CAD), the buildup of plaques in the arteries of the heart.
It can relieve chest pain caused by CAD, slow the progression of CAD, and increase life expectancy. It aims to bypass narrowings in heart arteries by using arteries or veins harvested from other parts of the body, thus restoring adequate blood supply to the previously ischemic (deprived of blood) heart.
There are two main approaches. The first uses a cardiopulmonary bypass machine, a machine which takes over the functions of the heart and lungs during surgery by circulating blood a