Computed Tomographic Angiography (CTA) is highlighted as the preferred imaging modality for the comprehensive evaluation and surveillance of endovascular abdominal aortic stent-grafts.
CTA preference for EVAR surveillance remains hypothesis-generating; prospective comparative trials needed before practice change.
The treatment of aortic abdominal aneurysms with endovascular repair provides a treatment alternative for high-risk surgical candidates. Computed Tomographic Angiography (CTA) has become the preferred imaging modality for preoperative evaluation of abdominal aortic aneurysms, postoperative assessment of endovascular repair and complications, and long term surveillance. Accurate evaluation of these devices and identification of endoleaks and other complications by the radiologist is critical to assuring successful outcomes.
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Yee et al. (2004) studied this question.
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