title: Long -term results of transradial rotational atherectomy for heavily calcified coronary artery lesions.
abstract: Percutaneous coronary intervention (PCI) for the heavily calcified coronary lesions remains a challenge, and the periprocedural complication rates of the transfemoral approach are high. This study was conducted to investigate the feasibility and long-term results of the transradial approach for rotational atherectomy (RA) prior to stent implantation via the transradial approach in patients with heavily calcified coronary artery lesions.
  
  
  
  RA followed by stent implantation via the transradial approach was performed in 47 patients with severely calcified coronary artery lesions in this retrospectively case-control study. The success rate of the procedure and the 3-year follow-up (36±7.5 months) results were analyzed.
  
  
  
  RA with subsequent stent implantation or balloon angioplasty procedures were successfully performed in all cases. 6F guiding catheters were used in 45 cases, and 7F catheters were used in 2 patients. Rotablation was performed with a 1.25-mm burr in 29 cases, a 1.25-mm burr followed by a 1.5-mm burr in 17 patients, and a 1.75-mm burr in 1 patient. Percutaneous transluminal coronary angioplasty after RA was performed, followed by stent implantation in all 47 patients. Restenosis was found in 7 cases (7/38) at 13 months (13±3.6) and in 13 cases (13/28) at 36 months (36±7.5) after the procedure; 3 patients died during the 3-year follow-up. The post-procedure cumulative 3-year event-free survival rate was 78%.
  
  
  
  RA prior to stent implantation via the transradial approach is feasible and safe, the success rate is high, and long-term outcome is satisfactory in patients with heavily calcified lesions of the coronary artery.
authors.affiliation: Department of Cardiology, Xinhua Hospital, Shanghai Jiaotong University, Shanghai-China.
authors.forename: Mantian
authors.initials: M
authors.lastname: Chen
authors.affiliation: Department of Cardiology, Rongcheng Hospital, Shandong Province-China.
authors.forename: Linqing
authors.initials: L
authors.lastname: Shang
authors.affiliation: Department of Cardiology, Xinhua Hospital, Shanghai Jiaotong University, Shanghai-China.
authors.forename: Qing
authors.initials: Q
authors.lastname: Zhou
authors.affiliation: Department of Cardiology, Xinhua Hospital, Shanghai Jiaotong University, Shanghai-China.
authors.forename: Shu
authors.initials: S
authors.lastname: Meng
authors.affiliation: Department of Cardiology, Xinhua Hospital, Shanghai Jiaotong University, Shanghai-China.
authors.forename: Yacheng
authors.initials: Y
authors.lastname: Zhang
authors.affiliation: Department of Cardiology, Zhongda Hospital, Southeast University, Nanjing-China.
authors.forename: Yi
authors.initials: Y
authors.lastname: Feng
authors.affiliation: Department of Cardiology, Xinhua Hospital, Shanghai Jiaotong University, Shanghai-China. shencx@sjtu.edu.cn.
authors.forename: Chengxing
authors.initials: C
authors.lastname: Shen
authors.affiliation: Department of Cardiology, Zhongda Hospital, Southeast University, Nanjing-China.
authors.forename: Genshan
authors.initials: G
authors.lastname: Ma
mesh_terms: D017225:Atherectomy, Coronary / Q000379:methods*; D016022:Case-Control Studies; D017023:Coronary Angiography; D003324:Coronary Artery Disease / Q000628:therapy*; D054855:Drug-Eluting Stents; D006801:Humans; D062645:Percutaneous Coronary Intervention; D012189:Retrospective Studies; D016896:Treatment Outcome