Renal artery stenosis has long been recognized as a cause of hypertension and end-stage renal disease. Renovascular disease is implicated as the underlying cause in 1 to 5 percent of patients with hypertension and 5 to 15 percent of patients with end-stage renal disease entering dialysis programs each year. A large autopsy study has shown a renal artery steno-sis incidence of 10 percent in patients with diabetes mellitus in combination with hypertension, 22 percent in patients with abdominal aortic aneurysm (AAA), and 45 percent in patients with peripheral vascular disease. The availability of cost-effective treatment options, including per-cutaneous transluminal angioplasty and surgical revascularization, have motivated the search for a non-invasive, cost-effective screening modality. Magnetic resonance imaging has been considered promising by many investigators due to its non-invasiveness. In addition, as previously indicated, paramagnetic contrast agents are free of nephrotoxicity.
KeywordsRenal Artery Abdominal Aortic Aneurysm Abdominal Aortic Aneurysm Renal Artery Stenosis Left Renal Artery
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