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Coronary stent technology: a narrative review

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Percutaneous coronary intervention (PCI) is the most commonly performed therapeutic procedure in the contemporary management of significant coronary disease.1 In Australia, 170 PCI procedures per 100 000 population are performed through 4.3 PCI centres per million population.2 In 2015, over 47 000 procedures were performed nationally. Interventional technology has advanced drastically, from balloon angioplasty, to bare metal and drug-eluting stents, through to the recent development of fully bioresorbable stent scaffolds. Increasingly sophisticated platforms have sought to improve on the outcomes of the preceding generation of devices by refining their design, structure, and component materials. This review discusses the evolution of PCI technology, the efficacy and safety of currently available devices, and the rationale for new generation platforms. A list of acronyms used is provided in Box 1 and a brief historical summary of coronary stent technology is given in Box 2.

This narrative review used a PubMed search of original and review articles from 1970 to 2016, as well as specialist society publications and guidelines from the European Society of Cardiology, American College of Cardiology, and the Cardiac Society of Australia and New Zealand to formulate an evidence-based overview of contemporary stent technology, as applied…