• Kei Yamamoto, Kenichi Sakakura, Yusuke Adachi, Yousuke Taniguchi, and Hiroshi Wada.
• Division of Cardiovascular Medicine, Saitama Medical Center, Jichi Medical University, Saitama, Japan. Electronic address: kei_the_chopper@hotmail.com.
• J Cardiol. 2017 Jun 1; 69 (6): 823-829.

BackgroundThe optimal strategy for diffuse right coronary artery (RCA) stenosis remains unclear.ObjectiveThe objective of this study was to compare the mid-term outcomes of "complete full-metal jacket (c-FMJ) stenting strategy" with "incomplete full-metal jacket (i-FMJ) stenting strategy" for the diffuse long RCA lesion using drug-eluting stents (DES).MethodsBetween July 2007 and October 2015, 121 patients underwent percutaneous coronary intervention (PCI) for diffuse RCA lesions using DES. Fifty-three patients underwent c-FMJ PCI, whereas 68 patients underwent i-FMJ. Thirty patients received angiographical follow-up in the c-FMJ group, while 34 patients received angiographical follow-up in the i-FMJ group. The primary endpoint was major adverse cardiac events (MACE): cardiac death, stent thrombosis (ST), target lesion revascularization (TLR), and target vessel revascularization (TVR).ResultsThe incidence of MACE was significantly lower in the c-FMJ group (13.3%) as compared to the i-FMJ group (41.2%) (p=0.013). There was no cardiac death in either group. The incidence of ST was comparable between the i-FMJ group (2.9%) and c-FMJ group (3.3%) (p=1.00), while TLR was significantly less in the c-FMJ group (6.7%) compared to the i-FMJ group (32.4%) (p=0.011).ConclusionsThe mid-term MACE was significantly less in the c-FMJ group than in the i-FMJ group, indicating that c-FMJ stenting was a favorable strategy for the diffuse long RCA lesion.Copyright © 2016 Japanese College of Cardiology. Published by Elsevier Ltd. All rights reserved.

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