Results from the SCAAR study, presented at the ESC Congress 2011 today, showed that Percutaneous Coronary Intervention (PCI) with “new generation” Drug Eluting Stents, was associated with a 38% lower risk of clinically meaningful restenosis and a 50% lower risk of stent thrombosis compared to old generation DES. Although many trials and studies support the overall early and mid-term safety and efficacy of first-generation drug-eluting stents, there has been concern on their long-term safety, especially regarding the potential risk of late stent thrombosis as well as late restenosis.