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State of the art: evolving concepts in the treatment of heavily calcified and undilatable coronary stenoses - from debulking to plaque modification, a 40-year-long journey Two-year outcomes after treatment of severely calcified coronary lesions with the orbital atherectomy system and the impact of stent types: Insight from the ORBIT II trial Chronic Total Occlusion Interventions: Update on Current Tips and Tricks Clinical Characteristics and Long-Term Outcomes of Rotational Atherectomy-J2T Multicenter Registry One-Year Outcomes of Orbital Atherectomy of Long, Diffusely Calcified Coronary Artery Lesions Orbital atherectomy for treating de novo, severely calcified coronary lesions: 3-year results of the pivotal ORBIT II trial Multicenter Registry of Real-World Patients With Severely Calcified Coronary Lesions Undergoing Orbital Atherectomy: 1-Year Outcomes Outcomes After Orbital Atherectomy of Severely Calcified Left Main Lesions: Analysis of the ORBIT II Study North American Expert Review of Rotational Atherectomy Pivotal trial to evaluate the safety and efficacy of the orbital atherectomy system in treating de novo, severely calcified coronary lesions (ORBIT II)
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Original Research2018 Apr 27.[Epub ahead of print]

JOURNAL：Cardiovasc Revasc Med. Article Link

Long-term clinical outcomes of permanent polymer everolimus-eluting stent implantation following rotational atherectomy for severely calcified de novo coronary lesions: Results of a 22-center study (Tokyo-MD PCI Study)

Otaki Y, Ashikaga T, Tokyo-MD PCI Study Investigators. Keywords: Calcified coronary lesion; Everolimus-eluting stent; Hemodialysis; Rotational atherectomy

ABSTRACT

BACKGROUND - Long-term clinical outcomes of permanent polymer everolimus-eluting stent (PP-EES) implantation after rotational atherectomy (RA) have not been fully evaluated. We sought to investigate the long-term clinical outcomes of PP-EES implantation after RA and assess the impact of hemodialysis on this treatment strategy.


METHODS - Patients who underwent percutaneous coronary intervention (PCI) with PP-EES at 22 institutions between January 2010 and December 2011 were enrolled in this multicenter, observational trial. From a total of 1918 registered patients, 113 patients with 115 de-novo lesions who underwent PCI with PP-EES following RA were retrospectively analyzed. The primary endpoint was a major adverse cardiac event (MACE) defined as the composite of cardiac death, non-fatal myocardial infarction (MI), and clinically driven target lesion revascularization (TLR).

RESULTS - Long-term follow-up was available for 112 patients (99.1%). The median follow-up period was 2.9 (interquartile range 1.9-3.6) years. The mean age of the patients was 72.3 ± 8.8 years and 64 patients (56.6%) had chronic kidney disease (≥stage 3, 42 on hemodialysis). The cumulative incidences of MACE, non-fatal MI, and TLR were 22.1%, 5.3%, and 10.6%, respectively. Cox's proportional hazards analysis showed that the independent predictors of TLR were hemodialysis and chronic total occlusion. (HR, 14.1; 95% CI, 1.74-155.5; p = 0.01, HR, 9.01; 95% CI, 1.34-62.5; p = 0.02).

CONCLUSIONS - PP-EES implantation after lesion modification by RA is considered to be a feasible treatment strategy for heavily calcified lesions. Hemodialysis and chronic total occlusion appeared to be associated with TLR.

Copyright © 2018 Elsevier Inc. All rights reserved.
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