Catheterization and cardiovascular interventions : official journal of the Society for Cardiac Angiography & Interventions · 2019
Long-term (5-year) clinical evaluation of the Resolute zotarolimus-eluting coronary stent: The RESOLUTE US clinical trial.
СтатьяМногоцентровое исследованиеНаблюдательное исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Kirtane Ajay J, Yeung Alan C, Ball Michael, Carr Jeffrey, O'Shaughnessy Charles, Mauri Laura, Liu Minglei, Leon Martin B
Аннотация
OBJECTIVES: To assess the long-term safety and efficacy of the Resolute zotarolimus-eluting stent (R-ZES).
BACKGROUND: The R-ZES has been associated with low rates of adverse events over short-intermediate term follow-up. However, reliable assessment of the safety and efficacy of any implanted device requires long-term evaluation.
METHODS: The RESOLUTE US trial was a prospective, observational study conducted at 116 U.S. sites and enrolled patients with de novo coronary lesions. Patients were followed clinically for 5 years with independent event adjudication and data monitoring.
RESULTS: A total of 1,402 patients (1,573 lesions) were enrolled; 34% had diabetes mellitus and 75% had ACC type B2/C lesions. The 5-year rate of target lesion failure (TLF) was 12.3%, target lesion revascularization was 6.5%, target vessel myocardial infarction was 3.2%, and cardiac death was 4.1%. Dual antiplatelet therapy usage was 94% at 1 year and 47% at 5 years, with a 0.1% and 0.5% respective incidence of definite or probable stent thrombosis. The 5-year rate of TLF was 16.9% among patients with diabetes mellitus and 14.7% in patients with at least one small (≤2.5 mm) vessel treated. Covariates independently associated with 5-year TLF in multivariable analysis included diabetes mellitus (odds ratio [OR] 1.89, p < .001), prior coronary artery bypass grafting (OR 2.28, p < .001), prior myocardial infarction (OR 1.85, p = .002), and smaller reference vessel diameter (OR 1.75, p = .004).
CONCLUSIONS: Results from the fully adjudicated and monitored RESOLUTE US trial demonstrate long-term 5-year safety and efficacy of the R-ZES stent among a relatively low-risk population of patients, including a 0.5% rate of stent thrombosis at 5 years.
BACKGROUND: The R-ZES has been associated with low rates of adverse events over short-intermediate term follow-up. However, reliable assessment of the safety and efficacy of any implanted device requires long-term evaluation.
METHODS: The RESOLUTE US trial was a prospective, observational study conducted at 116 U.S. sites and enrolled patients with de novo coronary lesions. Patients were followed clinically for 5 years with independent event adjudication and data monitoring.
RESULTS: A total of 1,402 patients (1,573 lesions) were enrolled; 34% had diabetes mellitus and 75% had ACC type B2/C lesions. The 5-year rate of target lesion failure (TLF) was 12.3%, target lesion revascularization was 6.5%, target vessel myocardial infarction was 3.2%, and cardiac death was 4.1%. Dual antiplatelet therapy usage was 94% at 1 year and 47% at 5 years, with a 0.1% and 0.5% respective incidence of definite or probable stent thrombosis. The 5-year rate of TLF was 16.9% among patients with diabetes mellitus and 14.7% in patients with at least one small (≤2.5 mm) vessel treated. Covariates independently associated with 5-year TLF in multivariable analysis included diabetes mellitus (odds ratio [OR] 1.89, p < .001), prior coronary artery bypass grafting (OR 2.28, p < .001), prior myocardial infarction (OR 1.85, p = .002), and smaller reference vessel diameter (OR 1.75, p = .004).
CONCLUSIONS: Results from the fully adjudicated and monitored RESOLUTE US trial demonstrate long-term 5-year safety and efficacy of the R-ZES stent among a relatively low-risk population of patients, including a 0.5% rate of stent thrombosis at 5 years.