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REVIEWS  THE FUTURE OF SFA TREATMENT: NEW TECHNOLOGIES 

The Journal of Cardiovascular Surgery 2010 February;51(1):121-4

Copyright © 2010 EDIZIONI MINERVA MEDICA

lingua: Inglese

Are bio-absorbable stents the future of SFA treatment?

Peeters P. 2, Keirse K. 2, Verbist J. 2, Deloose K. 1, Bosiers M. 1

1 Department of Cardiovascular and Thoracic Surgery, Imelda Hospital, Bonheiden, Belgium; 2 Department of Vascular Surgery, AZ St-Blasius, Dendermonde, Belgium


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Several limitations inherent to the implantation of a metallic device, such as the occurrence of in-stent re-stenosis, in an arterial lumen intiutively explain the interest for developing bio-absorbable stents. Two main types of bio-absorbable stents currently exist: polymer stents and metallic stents. To date, no studies with bio-absorbable stents have been conducted in the superficial femoral artery (SFA). Because of their strut thickness and lack of radial force, polymer stents are no good candidates for endovascular use. Absorbable metal stents (AMS) do have the potential to perform well for artery treatment, although current evidence from in-human coronary and infrapopliteal studies yield unsatisfactory results. Drastic technological improvements are mandatory before AMS can be considered for every day practice. Yet, it is our belief that further development of other metal and non-metal bio-absorbable stents, with or without drug-coating, may lead to the creation of the ultimate SFA stent.

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