We read with interest the article by Ming Fam et al1 entitled “Everolimus-eluting bioresorbable vascular scaffolds for treatment of complex chronic total occlusions”, published recently in your journal. This study suggests the feasibility of bioresorbable vascular scaffold (BVS) implantation in complex coronary chronic total occlusion (CTO) with both good immediate angiographic results and six-month clinical outcome. We however have some comments to make.
It would have been interesting to have had a follow-up angiography in the patients. Indeed, angiographic in-stent restenosis, including total reocclusion, often remains clinically silent in patients after percutaneous coronary intervention (PCI) for CTO2-4. ...
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