Abstract
Patients with aortic aneurysms and renal insufficiency are at an increased risk when conventional imaging modalities (contrast enhancing computed tomography and arteriography) are used for aortic endograft design. Magnetic resonance imaging (MRI) provides a nonionizing, noninvasive alternative to standard measurement techniques. Reliable diameter and length measurements can be obtained with MRI at a computer workstation without the use of iodinated radiologic contrast agents. The authors describe their experience with the use of magnetic resonance angiography as the sole imaging modality for aortic endograft design. Although not without limitations, MRI can be an effective measurement tool, particularly in patients who are at high risk of complications related to conventional imaging.
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