A 49-year-old man with asymptomatic chronic aneurysmal dissection was admitted to our hospital. He had undergone ascending aortic replacement for type A aortic dissection 7 months before. We performed descending aortic replacement for chronic aneurysmal dissection. Renal dysfunction appeared 1 day after the operation. Contrast-enhanced computed tomography indicated that the true lumen was severely compressed by a false lumen, and that the origins of the renal artery were occluded. We performed emergency endovascular stent placement to dilate the true lumen. Immediately after this procedure, renal ischemia improved. The postoperative course was uneventful. An endovascular approach using bare stent can be a treatment option that is less invasive and prompter for a patient with renal ischemia resulting from aortic dissection.
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