Drug-eluting stent
Drug-eluting stent
A Drug-eluting stent (pronunciation: /drʌɡ iːˈluːtɪŋ stɛnt/) is a type of medical device used in interventional cardiology to open narrowed arteries.
Etymology
The term "Drug-eluting stent" is derived from the English words "drug", "elute" and "stent". "Drug" is a substance used for medical treatment, "elute" means to extract one material from another, usually by means of a solvent, and "stent" is a tube inserted into a blocked passageway to keep it open.
Definition
A Drug-eluting stent is a stent (a small mesh tube) that's used to treat narrowed or weakened arteries in the body. It has a coating that slowly releases a drug to block cell proliferation, which prevents restenosis, a condition where an artery that has been opened by angioplasty closes again.
Related Terms
- Angioplasty: A procedure to restore blood flow through the artery.
- Restenosis: The reoccurrence of stenosis, a narrowing of a blood vessel, leading to restricted blood flow.
- Stent: A small, mesh tube that acts as a scaffold to support the inside of your artery.
- Interventional cardiology: A branch of cardiology that deals specifically with the catheter-based treatment of heart diseases.
See Also
External links
- Medical encyclopedia article on Drug-eluting stent
- Wikipedia's article - Drug-eluting stent
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