Spinal cord infarction following therapeutic renal artery embolization

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Abstract
A patient with dialysis cachexia became paraparetic within hours of therapeutic renal artery embolization. At autopsy, emboli of absorbable gelatin sponge filled spinal arteries, accompanied by spinal cord infarcts. The renal arteries of patients with end-stage renal disease are smaller than normal because of intimal fibrosis associated with prolonged dialysis. Embolic material can reflux more readily in these patients than in patients with renal tumors.

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