Neurologic injury after endovascular stent-graft and bilateral internal iliac artery embolization for infrarenal abdominal aortic aneurysm

The authors report a rare neurologic complication after the implantation of a bifurcated stent-graft for abdominal aortic aneurysm. The stent-graft wa s extended to both external iliac arteries after embolization of both inter nal iliac arteries. The patient subsequently had weakness and numbness of b oth lower limbs with bowel and bladder incontinence. He probably had ischem ic injury to the nerve roots or the lumbosacral plexus, which was related t o extensive occlusion of their supplying arteries. The mechanism of spinal cord and neurologic ischemia after aortic stent-graft implantation is discu ssed.