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Coronary Artery Bypass Surgery for Coronary Artery Disease
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Healthwise
- A coronary artery is blocked
Coronary artery bypass grafting (CABG) surgery reroutes blood around blocked arteries, increasing blood flow to the heart muscle tissue.
- The sternum is cut
The surgeon makes a vertical incision in the skin and muscle in the middle of the chest and then cuts through the breastbone (sternum).
- The heart is exposed
The surgeon spreads the rib cage with a retractor to expose the heart and then cuts through the lining that protects the heart (pericardium).
- Blood flow is rerouted
To reroute blood flow around the diseased blood vessel, surgeons typically use a portion of the saphenous vein in the leg or an internal mammary artery.
- Oxygen-rich blood flows to heart muscle
Regardless of which type of blood vessel is used, oxygen-rich blood from the aorta is rerouted around the blocked section of the coronary artery to feed the heart muscle.
Last Updated:
May 10, 2010- Medical Review:
- E. Gregory Thompson, MD - Internal Medicine
John A. McPherson, MD, FACC, FSCAI - Cardiology
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