Bioresorbable scaffolds for the treatment of in-stent restenosis.

Percutaneous coronary intervention with bare-metal stents or drug-eluting stents can decrease clinical event rates compared with simple balloon angioplasty. However, stent implantation is often associated with subsequent restenosis. Bioresorbable coronary scaffolds provide short-term vessel scaffolding with drug delivery capability and are designed to avoid the long-term limitations of metallic stents such as late stent thrombosis and in-stent restenosis. To the best of our knowledge, we report the first case series of successful treatment of in-stent restenosis using bioresorbable scaffolds.