Long-Term Comparison of Platinum Chromium Everolimus-Eluting Stent vs. Cobalt Chromium Zotarolimus-Eluting Stent ― 3-Year Outcomes From the HOST–ASSURE Randomized Clinical Trial ―
- Affiliated Author(s)
- 허승호
- Alternative Author(s)
- Hur, Seung Ho
- Journal Title
- Circulation Journal
- ISSN
- 1347-4820
- Issued Date
- 2019
- Keyword
- Clinical outcome; Cobalt chromium-based zotarolimus-eluting stent; Drug-eluting stent; Percutaneous coronary intervention; Platinum chromium-based everolimus-eluting stent
- Abstract
- Background:
There are limited data on the long-term outcome of platinum chromium-based everolimus-eluting stents (PtCr-EES) vs. cobalt chromium-based zotarolimus-eluting stents (CoCr-ZES).
Methods and Results;
A total of 3,755 patients undergoing percutaneous coronary intervention (PCI) were randomized 2:1 to PtCr- EES or CoCr-ZES, and 96.0% of patients completed the 3-year clinical follow-up. The primary outcome was target lesion failure (TLF), defined as a composite of cardiac death, target vessel-related myocardial infarction (MI), and clinically-driven target lesion revascularization (TLR). At 3 years, TLF occurred in 5.3% and in 5.4% of the PtCr-EES and CoCr-ZES groups, respectively (hazard ratio 0.978; 95% confidence interval 0.730–1.310, P=0.919). There were no significant differences in the individual components of TLF. Routine angiographic follow-up was performed in 38.9% of the total patients. In a landmark analysis of the subgroup that had follow-up angiography, the clinically-driven TLR rate of CoCr-ZES was significantly higher than PtCr-EES group during the angiography follow-up period (P=0.009). Overall definite and probable stent thrombosis rates were very low in both groups (0.5% vs. 0.6%, P=0.677).
Conclusions:
PtCr-EES and CoCr-ZES had similar and excellent long-term outcomes in both efficacy and safety after PCI in an all-comer population.
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