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lüll Imaging techniques for detection and management of endoleaks after endovascular aortic aneurysm repair Stavropoulos SW; Charagundla SRRadiology 2007[Jun]; 243 (3): 641-55Endovascular aortic aneurysm repair (EVAR) is evolving into a viable alternative to open surgical repair for many patients with abdominal and thoracic aortic aneurysms. Endoleak development is a complication of EVAR and represents one of the limitations of this procedure. Endoleaks represent blood flow outside the stent-graft lumen but within the aneurysm sac. Lifelong imaging surveillance of patients after EVAR is critical to detect endoleaks for the patient's benefit and to determine the long-term performance of the stent-graft. Although computed tomographic angiography is the most commonly used examination for imaging surveillance, magnetic resonance angiography, ultrasonography, and digital subtraction angiography all have a role in endoleak detection and management. This review will focus on imaging techniques used for endoleak detection and the role imaging surveillance plays in the overall care of the post-EVAR patient.|Aortic Aneurysm/complications/*diagnosis/*surgery[MESH]|Blood Vessel Prosthesis/*adverse effects[MESH]|Cardiovascular Surgical Procedures/adverse effects[MESH]|Diagnostic Imaging/*methods[MESH]|Humans[MESH]|Postoperative Complications/*diagnosis/etiology/*therapy[MESH]|Practice Guidelines as Topic[MESH]|Practice Patterns, Physicians'[MESH]|Stents/*adverse effects[MESH] |