科研之友
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摘要
non-dialytic chronic renal failure is a contraindication related to the endovascular treatment of abdominal aortic aneurysms. the use of alternative contrast agents, such as gadolinium, provides good-quality images and is associated with nephrotoxicity. we report a case of endovascular treatment of an abdominal aortic aneurysm guided by color-flow doppler ultrasonography. an 82-year-old male patient, with abdominal aortic aneurysm (55 mm in diameter) and creatinine clearance of 17 ml/min, underwent implantation of modular bifurcated aortic stent-graft, using that imaging method associated with radioscopy. iodinated contrast was not used. the immediate result and 1- and 6-month controls showed complete aneurysm exclusion. renal function is still unaltered. we conclude that the stent-graft implantation guided by color-flow doppler ultrasonography in patients with nonterminal chronic renal failure and with favorable anatomy is a feasible and safe method.
