Health & Medical Heart Diseases

Types of Stents and Their Uses: Coronary Artery Stents

Types of Stents and Their Uses: Coronary Artery Stents
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Innovations in Heart Stents continued...


In December 2006, the FDA held a public meeting on the issue of late in-stent thrombosis. While concluding that more information was needed, the agency stated that drug-eluting stents, when used as directed, were not associated with an increased risk of heart attack or death. Subsequent research studies confirmed the safety and effectiveness of drug-eluting stents, prompting the continued development of new stent technologies.

The global market for coronary stents is projected to increase to $5.6 billion by 2020, according to the consulting firm GlobalData.

Many new second- and third-generation stent designs are under development, in clinical trials, or have been approved for use outside the U.S. These include:
  • A stent with a covering that delivers an anti-restenosis drug over a period of several months and then essentially becomes a bare-metal stent
  • A stent that is absorbed by the body and disappears after it has done its work
  • A stent which uses a bio-engineered coating to quickly create a thin, all-natural layer inside the artery

Other technologies under development include platinum-coated stainless steel stents, diamond carbon-coated stents, and gene therapy/antibody-coated stents.


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