Coronary artery stent
Coronary Artery Stent
A Coronary Artery Stent (pronunciation: /kəˈrɒnəri ˈɑːrtəri stɛnt/) is a small, mesh-like device made of metal, usually stainless steel or cobalt alloy, that is placed in the coronary arteries to keep them open in the treatment of coronary heart disease. It is used in a procedure called a Percutaneous Coronary Intervention (PCI), also known as coronary angioplasty.
Etymology
The term "Coronary" comes from the Latin coronarius, meaning "crown" or "wreath", due to the way the coronary arteries encircle the heart. "Artery" is derived from the Greek artēria, meaning "windpipe, artery". The term "Stent" is named after Charles Thomas Stent, a British dentist who developed a material to create molds of oral cavities in the mid-19th century. The medical usage of the term "stent" to refer to tubular supports for tubular structures in the body began in the 20th century.
Related Terms
- Coronary Arteries: The blood vessels that supply oxygen and nutrients to the heart muscle.
- Coronary Heart Disease: A disease in which a waxy substance called plaque builds up inside the coronary arteries.
- Angioplasty: A procedure to restore blood flow through the artery.
- Restenosis: The re-narrowing of a blood vessel after it has been treated with angioplasty.
- Drug-Eluting Stent: A coronary artery stent that slowly releases a drug to block cell proliferation.
See Also
External links
- Medical encyclopedia article on Coronary artery stent
- Wikipedia's article - Coronary artery stent
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