Krucoff: Second-Generation Drug-Eluting Stents Better at Anti-Restenosis

The improvements in stent flexibility and biocompatibility have lead to the conclusion by Dr. Mitchell Krucoff that second-generation drug eluting-stents, such as Abbott's Xience stent, result in an improved ability to prevent restenosis following angioplasty and stent implantation. See an excerpt from India's (which also highlights the market potential for coronary stents in India):

Newer drug eluting stents (DES) are proving to be significantly more effective and safer compared to the 'first-generation' drug eluting stents. DES is developed to reduce incidents of re-blockage or restenosis which occur with bare metal stents and almost all trials showed a marked reduction in restenosis rates. The ideal drug eluting stent is one which demonstrates high efficacy while maintaining excellent safety profile. The latest stents made of polymer and steel are known for higher biocompatibility. These are thinner in appearance and more flexible. The lower doses of the drug are much preferred as a long treatment option for complex and difficult cases. Another big advantage is the negative side effects. The drug eluting stents reduced the need for a second intervention procedure by about 40 to 50 per cent compared to bare metal stents especially in complex cases where patients reported long blockages in diabetics and those having small blood vessels, according to Dr Mitchell Krucoff, interventional cardiology scientist and advisor to US FDA on medical devices. See more at link

See Worldwide Coronary Stent Market, 2008-2017.

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