History and progress of endovascular treatment for abdominal aortic aneurysm / 中华消化外科杂志

ABSTRACT

The traditional treatment of abdominal aortic aneurysm was open surgery.In the 1990s,endovascular abdominal aortic aneurysm repair (EVAR) began to emerge.In the early stage,this kind of minimally invasive method was applied in highly selected patient cohort due to the limitation of anatomic conditions of patients,age of patients and shortage of available endovascular devices.The indications for open surgery which were used in this new kind of therapeutic modality also influenced the outcomes.As the technique became mature and the properties of endogarft were developed,endovascular treatment can be used to treat more complex pathologies and the results were improved.However,several challenges were rising,including dealing with complex proximal aneurismal neck,intra-and post-operative endoleak,abdominal aortic aneurysm compromising branched arteries and ruptured abdominal aortic aneurysm.To solve these problems,chimney technique,fenestrated stent,branched stent and the sandwich technique had been invented and developed.It is believed that endovascular treatment for abdominal aortic aneurysm could be applied more widely under vascular surgeons' efforts.