Coronary artery bypass surgery - Definition

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Definition


Coronary artery bypass surgery is a surgical procedure that allows coronary arteries, that supply the heart, to be treated when they are blocked. This case is called artery stenosis. These blockages are caused by many different conditions that are often linked, such as high cholesterol, smoking, obesity, moving blood clot, and limit the amount of oxygen reaching the heart muscle, which leads to cell death. Coronary artery bypass surgery consists in extracting a section of a healthy blood vessel from the patient, or using a synthetic tube, to graft onto the blocked vessel in order to bypass the blockage and reestablish blood supply to the cells. This can prevent myocardial infarction and its many associated heart complications following stenosis detection by coronary catheterization.