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Endovascular aneurysm repair (EVAR) of abdominal aortic aneurysms has been challenged by a number of groups, and the shortcomings of this procedure have been documented in the scientific literature. However, patients and physicians continue to pursue this procedure as a viable means of treating...
At the present time, patients who have undergone endovascular aneurysm repair require lifelong surveillance. The purpose of this surveillance is threefold. First, has there been any change in the position of the endograft? Secondly, what is the status of the aneurysm sac? Thirdly, is there an...
A variety of structural defects or failures have appeared in the majority of commercially developed stentgrafts for endoluminal abdominal aortic aneurysm (AAA) repair. Some have resulted in device withdrawal; others have been dealt with by device modification. Newer devices have been designed to...
Endovascular aneurysm repair (EVAR) has undergone a tremendous evolution in the nearly 15 years since it was first described. Continual refinement of the technology and techniques associated with EVAR and the respectable short-term results of this procedure led the United States Food and Drug...
The feasibility of endovascular aortic aneurysm repair (EVAR) in any individual patient remains inherently dependent on the anatomy of the aorta and iliac arteries. There is a great deal of evidence in the literature that poor anatomic patient selection for EVAR will increase the risk of both...
The primary goal of endovascular treatment of abdominal aortic aneurysms (AAA) is prevention of death from rupture. Even in the absence of an endoleak, the AAA may continue to enlarge. The pathogenesis of this phenomenon remains unclear. Therefore, surveillance after endovascular AAA treatment...
Migration is a late-term complication of endovascular aneurysm repair (EVAR) evidenced by downward slippage of the endograft. The etiology of migration may be inherent to problems with endograft fixation, although aortic neck dilation may also play a role. Devices with active fixation (ie, hooks...
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