IR Playbook pp 219-227 | Cite as


  • Brian C. Gardner
  • Saher S. SabriEmail author


Abdominal aortic aneurysms are characterized by an abnormal expansion of the arterial wall due to weakening. The leading risk factors for abdominal aortic aneurysm are smoking history, advanced age, and male gender. If left untreated, there is an increased risk of rupture, especially after reaching more than 5.5 cm in diameter. Most infrarenal abdominal aortic aneurysms are treated with endografts. The most common complication encountered with endografts is an endoleak, a term which defines the persistence of blood flow within the aneurysm sac. Endoleaks can be recognized at the time of endograft deployment with digital subtraction angiography or on follow-up surveillance examinations. CT angiography is the most commonly performed imaging follow-up, but duplex ultrasound and MRI can also be used. If an endoleak leads to continued aneurysm sac enlargement, it should be treated.


Abdominal aortic aneurysm Endoleak Endograft Endotension 


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© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Department of Radiology and Medical ImagingUniversity of Virginia Health SystemCharlottesvilleUSA

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