Assessing bioresorbable coronary devices Methods and parameters

Bioresorbable vascular scaffolds (BRS) represent a novel approach to provide transient vessel support to drugdelivery capability without the long-term limitations of metallic drug-eluting stents (DES). The technology has the potential to overcome many of the safety concerns associated with metallic DES and possibly even convey further clinical benefit. In particular, the BRS are designed to provide short-term lumen support, and after being completely bioresorbed, eliminate the permanent caging typical of metallic DES. However, this technology has required new imaging modalities and methodologies for its assessment because the design, degradation rate, loss of mechanical property, and drug deliverability may affect its safety and efficacy. We provide an overview of all existing Methods for assessing bioresorbable devices, from noninvasive to invasive, from light to sound based, and from morphological to functional parameters. (J Am Coll Cardiol Img 2014;7:1130-48)

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