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Atherectomy;; calcification;; cardiovascular intervention;; clinical trial;; coronary;; ELUTING STENT IMPLANTATION;; SPEED ROTATIONAL ATHERECTOMY;; SINGLE-CENTER;; EXPERIENCE;; ANGIOGRAPHIC FOLLOW-UP;; ARTERY-DISEASE;; INTRAVASCULAR;; ULTRASOUND;; BALLOON ANGIOPLASTY;; CLINICAL-OUTCOMES;; COMPLEX LESIONS;; INTERVENTION;; Cardiac & Cardiovascular Systems
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Full-Text Articles in Medicine and Health Sciences
Pivotal Trial To Evaluate The Safety And Efficacy Of The Orbital Atherectomy System In Treating De Novo, Severely Calcified Coronary Lesions (Orbit Ii), J. W. Chambers, R. L. Feldman, S. I. Himmelstein, R. Bhatheja, A. E. Villa, K. C. Patel, J. A. Puma, P. Makam, B. D. Bertolet, G. Y. Nseir, +10 Additional Authors
Pivotal Trial To Evaluate The Safety And Efficacy Of The Orbital Atherectomy System In Treating De Novo, Severely Calcified Coronary Lesions (Orbit Ii), J. W. Chambers, R. L. Feldman, S. I. Himmelstein, R. Bhatheja, A. E. Villa, K. C. Patel, J. A. Puma, P. Makam, B. D. Bertolet, G. Y. Nseir, +10 Additional Authors
Journal Articles
Objectives The ORBIT II (Evaluate the Safety and Efficacy of OAS in Treating Severely Calcified Coronary Lesions) trial evaluated the safety and efficacy of the coronary Orbital Atherectomy System (OAS) to prepare de novo, severely calcified coronary lesions for stent placement. Background Despite advances in interventional techniques, treatment of calcified coronary lesions remains a challenge. Stent placement in these lesions may result in stent underexpansion, malapposition, and procedural complications. Methods ORBIT II is a prospective, multicenter, nonblinded clinical trial that enrolled 443 consecutive patients with severely calcified coronary lesions at 49 U.S. sites from May 25, 2010, to November 26, …