Although relatively uncommon, isolated iliac artery aneurysms are associated with significant risk of rupture and death. Clinical presentation can be confusing and ultrasound or CT imaging is paramount in establishing the diagnosis and anatomical extent of disease. Important considerations prior to intervention include determination of proximal neck, involvement of the internal iliac artery, and status of the contralateral internal iliac artery. Endovascular repair has evolved as the first choice treatment option for patients with anatomically suitable iliac artery aneurysms. In uncommon circumstances when endovascular treatment may result in significant pelvic ischemia or the primary symptoms are related to extrinsic compression of adjacent structures, surgical repair may be the preferred option.
Endovascular techniques including angioplasty, stenting, and endoluminal stent grafts represent important therapeutic options for the treatment of vascular disease. Technologic advances have allowed for the treatment of aneurysmal disease as well as extra-cranial carotid disease that previously required surgical methods. The success of various endovascular therapies varies based on anatomic location and extent of disease. The clinical results in different arterial segments are increasingly recognized in the published literature. The aortoiliac arterial bed appears to respond most favorably, with less favorable results observed in the infra-inguinal and infrapopliteal locations. There is increasing evidence that stent-supported carotid angioplasty using cerebral protection will play an important future role in the treatment of carotid artery stenosis. Less invasive techniques to treat abdominal aortic aneurysms with endoluminal stent grafts have dramatically changed the available therapeutic options. Improved devices and delivery systems will likely increase the number of patients who can be successfully treated in this manner. The evolution of endovascular therapies will continue to change the way we treat vascular disease.
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