<unk>  is a procedure used to open blocked or narrowed blood vessels that supply blood to the heart. These blood vessels are called the coronary arteries. The procedure improves blood flow to the heart muscle. Over time, a fatty substance called plaque can build up in your arteries, causing them to harden and narrow. This condition is called atherosclerosis. 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.<unk>  can restore blood flow to the heart if the coronary arteries have become narrowed or blocked because of CHD. A coronary artery stent is a small, metal mesh tube that expands inside a coronary artery. A stent is often placed during or immediately after<unk> . It helps prevent the artery from closing up again. A drug-eluting stent has medicine embedded in it that helps prevent the artery from closing.
Percutaneous coronary intervention
Staged PCI
Hybrid coronary revascularization
Coronary artery bypass surgery
Drug eluting stent
Percutaneous mitral balloon commissurotomy
Intracoronary pharmacotherapy
Pericardial window