Coronary artery bypass graft
Coronary Artery Bypass Graft
Coronary artery bypass graft (pronounced: kuh-ROH-nuh-ree AR-teh-ree BY-pass graft), often abbreviated as CABG (pronounced: CABG), is a type of surgery that improves blood flow to the heart. It's used for individuals who have severe coronary heart disease (CHD), a condition in which a substance called plaque builds up in the coronary arteries.
Etymology
The term "coronary" comes from the Latin corona, meaning crown, referring to the way the coronary arteries encircle the heart. "Artery" is derived from the Greek arteria, meaning a windpipe or artery, while "bypass" comes from the English term meaning to avoid or go around something. "Graft" is derived from the Old Norse graft, meaning to implant.
Procedure
During a 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 path for oxygen-rich blood to flow to the heart muscle.
Related Terms
- Angioplasty: A procedure to restore blood flow through the artery.
- Stent: A small, mesh tube that’s used to treat narrow or weak arteries.
- Atherosclerosis: A disease in which plaque builds up inside your arteries.
- Myocardial infarction: Commonly known as a heart attack, occurs when blood flow decreases or stops to a part of the heart.
External links
- Medical encyclopedia article on Coronary artery bypass graft
- Wikipedia's article - Coronary artery bypass graft
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