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Coronary stents (CS) are expandable tubular metallic devices that are inserted into coronary arteries that have stenosis due to an underlying atherosclerosis disease. This revascularization procedure is known as percutaneous coronary intervention (PCI) or coronary angioplasty with stent placement. The Coronary Stents was first developed in the 1980s and has since evolved in terms of shape, structure, and material used within them. In the pre-stent era, balloon angioplasty was the mainstay of coronary revascularization, in which an inflatable balloon-tipped catheter was inserted percutaneously through an arterial entry site in the extremity and advanced into the coronary arteries. When the balloon arrived at the coronaries, it was inflated to compress the atherosclerotic plaque against the vascular wall and restore blood flow to the myocardium.

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