Short- and long-term benefits of drug-eluting stents compared to bare metal stents even in treatment for large coronary arteries

Heart and Vessels
Taiji YoshidaKenshi Hayashi

Abstract

Although drug-eluting stents (DES) for percutaneous coronary intervention (PCI) have dramatically reduced the incidence of in-stent restenosis, their deployment for large-size coronary lesions is still controversial because of problems such as late in-stent thrombosis and late catch-up in DES. We aimed to evaluate the long-term outcome beyond 2 years of bare metal stents (BMS) as compared with DES in large vessels. Consecutive 228 patients who underwent PCI with large-size stents (>3.5 mm in diameter) in our hospital were enrolled in this study. The end points of this study are target lesion revascularization (TLR) and occurrence of major adverse cardiac events (MACE) for subject patients. We analyzed 183 patients (152 men, mean age 65.8 ± 10.5 years) whose outcome could be followed up for at least 2 years. At the first 8-month follow-up, clinically driven TLR rate was significantly higher in patients who received BMS than those who received DES (17.2 vs. 2.2 %, p < 0.05), although the rate of TLR was not different between the 2 groups beyond 8 months. Thus, overall rate of TLR was higher in BMS than in DES (22.7 vs. 5.4 %, p < 0.05). Under these conditions, the higher rate of TLR for BMS was observed in simple as well as compl...Continue Reading

References

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