Blood pool MR angiography of aortic stent-graft endoleak.
case_series · Level IV
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Abstract
The purpose of our research was to investigate the value of a blood pool contrast agent in detecting endoleaks on MR angiography after endoluminal stent-graft repair of infrarenal aortic aneurysms. Blood pool MR angiography using Ferumoxytol reveals more aortic stent-graft endoleaks than does CT angiography and depicts more endoleaks 24 hr after administration than during the immediate arterial phase because of a 50-fold increase in the volume of enhancement in the aneurysmal sac outside the stent-graft.
Medical subject headings
- Aortic Aneurysm, Abdominal
- Aortography
- Blood Vessel Prosthesis
- Contrast Media
- Iron
- Magnetic Resonance Angiography
- Oxides
- Postoperative Complications
- Stents