[Comment] Biodegradable polymer drug-eluting stents: caveat emptor

Percutaneous coronary intervention is one of the most widely done medical procedures worldwide. The success of this therapy has been largely dependent on the development of coronary stents, which enabled the procedure to become safer and more effective than balloon angioplasty alone.1 Drug-eluting stents, in particular, were a breakthrough technology. They facilitated the treatment of more complex disease patterns, previously not well managed by percutaneous intervention, because of a high rate of restenosis.

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