Contrast-Enhanced Ultrasound in the Follow-Up of Endoleaks after Endovascular Aortic Repair (EVAR)

Author:

Rübenthaler Johannes1,Zimmermann Hanna1,Armbruster Marco1,Müller-Peltzer Katharina1,Bogner Florian2,Reiser Maximilian1,Clevert Dirk-André1

Affiliation:

1. Department of Clinical Radiology, Ludwig-Maximilians-University of Munich-Großhadern Campus, Munich, Germany

2. Institute of German L anguage and Literature I, University of Cologne, Germany

Abstract

AbstractEndovascular aortic repair (EVAR) has become established in the treatment of abdominal aortic aneurysms and shows potential benefits such as a low perioperative morbidity and a short hospitalization duration. The follow-up after EVAR primarily consists of lifelong postinterventional imaging of the aneurysm size in order to detect complications such as endoleaks or stent dislocation. Computed tomography angiography, an imaging modality that uses ionizing radiation and that relies on a contrast medium which is dependent on thyroid and renal function, is widely used for follow-up. Meanwhile, contrast-enhanced ultrasound (CEUS) has been established as a viable, fast and cost-effective imaging alternative for the follow-up and the detection of endoleaks after EVAR with the additional benefit of being a real-time non-ionizing radiation examination and having comparable or even superior diagnostic performance. This review describes the use of CEUS for follow-up after EVAR and describes the most common pathologies.

Publisher

Georg Thieme Verlag KG

Subject

Radiology Nuclear Medicine and imaging

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