Abstract
This report describes a 61-year-old man with the spinal cord symptom and intermittent claudication. Computed tomography (CT) revealed aortic coarctation with development of many collateral arteries caused an anterior spinal artery steal syndrome. Surgical repair was performed by extra-anatomic bypass. Furthermore, it did not process the collateral arteries with the danger. The postoperative CT revealed that the retrograde bloodstream from spinal cord wasdecreases and the aneurysms of the collateral vessels wave shrinked. Intermittent claudication was completely disappeared, but the spinal cord symptom of the upper extremitieswas still remained.