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Article Abstract
Background: Percutaneous coronary intervention (PCI) for coronary bifurcation lesions using the 2-stent strategy remains a challenging procedure for interventionalists because of the higher incidence of in-stent restenosis (ISR) and adverse events. ISR predictors in patients treated with newer-generation everolimus-eluting stents (EES) and the 2-stent strategy remain unknown. Hence, we aimed to evaluate the 1-year clinical and angiographic outcomes of non-left main trunk (LMT) bifurcation lesions treated with the 2-stent strategy using newer-generation EES.
Methods and results: The study sample consisted of 262 non-LMT bifurcation lesions treated using culotte or T-stenting with EES between 2010 and 2018. One-year post-procedural angiographic and clinical examinations were conducted in 208 (79.4%) and 260 (99.2%) lesions, respectively. The primary outcome measure was the 1-year post-procedural ISR rate, which was found to be 15.9%. Independent predictors of 1-year post-procedural ISR were long side branch lesions (adjusted odds ratio [aOR] 2.31; 95% confidence interval [CI] 1.02-5.23; P=0.04) and 3-link EES implantation (aOR 2.45; 95% CI 1.07-5.61; P=0.03). The 1-year cumulative incidence of target lesion revascularization was 3.5%.
Conclusions: The 1-year clinical outcomes of non-LMT bifurcation lesions treated with the 2-stent strategy using EES were acceptable. Long side branch lesions and lesions treated with 3-link EES were independent predictors of 1-year post-procedural ISR.
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| http://dx.doi.org/10.1253/circj.CJ-20-1281 | DOI Listing |
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