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Compared with metallic drug-eluting stents, bioresorbable vascular scaffolds (BVS) offer the potential to improve long-term outcomes of percutaneous coronary intervention. Whether or not these devices are as safe and effective as drug-eluting stents within the first year after implantation is unknown. We did a patient-level, pooled meta-analysis of four randomised trials in which 3389 patients...
Randomized trials have demonstrated progressive improvements in clinical and angiographic measures of restenosis with technologic iterations from balloon angioplasty to bare-metal stents and subsequently to drug-eluting stents (DES). However, the permanent presence of a metal stent prevents coronary vasomotion, autoregulation, and adaptive coronary remodeling. The limitations imposed by a permanent...
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