Abstract
Although Society for Vascular Surgery guidelines recommend computed tomography angiography (CTA) or ultrasound for surveillance after endovascular aortic repair, there is a lack of consensus regarding optimal timing and modalities. The differential costs, risks, and diagnostic utility of CTA, color duplex ultrasound (CDU), and contrast-enhanced ultrasound (CEU) merit a cost-effectiveness analysis to estimate the lifetime costs and outcomes of various strategies.
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