Coronary angioplasty (AN-jee-oh-plas-tee) is a procedure used to open blocked or narrowed coronary (heart) arteries. The procedure improves blood flow to the heart muscle.
Over time, a fatty substance called plaque (plak) can build up in your arteries, causing them to harden and narrow. This condition is called atherosclerosis (ath-er-o-skler-O-sis).
Atherosclerosis can affect any artery in the body. When atherosclerosis affects the coronary arteries, the condition is called coronary heart disease (CHD) or coronary artery disease.
Angioplasty can restore blood flow to the heart if the coronary arteries have become narrowed or blocked because of CHD.
Angioplasty is a common medical procedure. It may be used to:
Angioplasty is done on more than 1 million people a year in the United States. Serious complications don't occur often. However, they can happen no matter how careful your doctor is or how well he or she does the procedure.
Research on angioplasty is ongoing to make it safer and more effective, to prevent treated arteries from narrowing again, and to make the procedure an option for more people.
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