Heart bypass surgery
Heart bypass surgery
Heart bypass surgery, also known as Coronary artery bypass grafting (pronounced koh-ROH-nuh-ree AR-teh-ree BY-pass GRAF-ting), or CABG (pronounced CAB-gee), is a surgical procedure that improves blood flow to the heart. It's used for individuals who have severe coronary heart disease (CHD), a condition in which a waxy substance called plaque builds up inside the coronary arteries.
Etymology
The term "bypass" refers to the method of circumventing the blocked section of a coronary artery, creating a new pathway for blood flow. The word "grafting" refers to the technique of attaching a new piece of blood vessel to the coronary artery.
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
- Coronary artery: The main blood vessel that supplies the heart with blood, oxygen, and nutrients.
- Coronary heart disease: A disease in which a waxy substance called plaque builds up inside the coronary arteries.
- Graft: In heart bypass surgery, a graft refers to a segment of blood vessel taken from another part of the body and used to reroute blood around a blocked or narrowed artery.
- Plaque: A deposit of fatty (and other) substances in the inner lining of the artery wall. It is the main cause of coronary heart disease and other coronary artery diseases.
External links
- Medical encyclopedia article on Heart bypass surgery
- Wikipedia's article - Heart bypass surgery
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