Gao Hanxiang, Hu Ye, Li Qi, Yao Suyu, Zhang Zheng, Bai Ming
Department of Cardiology, First Hospital of Lanzhou University, Lanzhou, Gansu, China.
Medicine (Baltimore). 2019 Aug;98(35):e16612. doi: 10.1097/MD.0000000000016612.
Spontaneous coronary artery dissection (SCAD) is a rare, complex disease, and nowadays poorly understood. The overall incidence of SCAD ranges from 0.28% to 1.1% in angiographic studies. Therefore, the true incidence of SCAD is most likely underestimated due to asymptomatic or sudden cardiac death before diagnosis. Stent fracture (SF) is a multifactorial issue. Longer vessel remodeled by 2 stents can be more prone to have SF due to higher radial force.
In this paper we report a 48-year-old man with chest pain for 2 years.
Elective coronary angiography revealed a linear dissection in obtuse marginal branch (OM).
He underwent percutaneous coronary intervention (PCI) with the guidance of intravascular ultrasound (IVUS).
Then SF was revealed 9 months later.
This is the first case report of SF after coronary intervention therapy in SCAD patients.
自发性冠状动脉夹层（SCAD）是一种罕见的复杂疾病，目前人们对其了解甚少。血管造影研究显示，SCAD的总体发病率在0.28%至1.1%之间。因此，由于在诊断前出现无症状或心源性猝死，SCAD的真实发病率很可能被低估。支架断裂（SF）是一个多因素问题。由于较高的径向力，用2个支架重塑的较长血管更容易发生SF。
在本文中，我们报告了一名48岁胸痛2年的男性患者。
选择性冠状动脉造影显示钝缘支（OM）有线性夹层。
他在血管内超声（IVUS）引导下接受了经皮冠状动脉介入治疗（PCI）。
9个月后发现支架断裂。
这是SCAD患者冠状动脉介入治疗后发生支架断裂的首例病例报告。
