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Drug-eluting stents

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Drug-eluting stents (DES) are stents used in coronary arteries that are covered in drugs which battle restenosis, or the re-narrowing of the arteries caused by the growth of cells around the stent.[1] A DES is composed of three elements:

  • Type of stent that carries the drug coating
  • Method by which the drug is delivered (eluted) by the coating to the arterial wall (polymeric or other)
  • The drug itself


  1. "Coronary Artery Disease - Other Treatment." Heart Disease Health Center. May 29, 2007. Accessed on March 31, 2008.