Coronary interventions

Double-layer bare metal stents in the treatment of coronary artery aneurysm: experience and outcomes in nine patients

EuroIntervention 2019;15:644-646. DOI: 10.4244/EIJ-D-18-01093

Shubin Qiao¹, MD, PhD; Jiang Xiaowei¹, MD; Jingang Cui¹, MD, PhD; Jia Li¹, MD, PhD; Jiansong Yuan¹, MD, PhD; Shengwen Liu¹, MD, PhD; Ljian Gao¹, MD, PhD; Jie Zhao¹, MD, PhD; Hao Chen², MD; Jingtao Ma³, MD

1. State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China; 2. Shijiazhuang First Hospital, Hebei, China; 3. Fourth Hospital, Hebei Medical University, Hebei, China

Introduction

A coronary artery aneurysm (CAA), defined as a localised dilation of a coronary artery segment >1.5 times the adjacent normal coronary diameter, can often pose significant diagnostic and management challenges1. Although various percutaneous treatment modalities have been described, controversies remain regarding the indication and the optimal choice of treatment2. Covered stents used in the repair of CAAs have demonstrated excellent angiographic results. However, their inflexibility, propensity to restenosis, and side branch occlusion may limit their utility and durability in patients with CAA3.

Using double layers of stents may provide adequate coverage of the neck of the ...

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