Erythropoietin-associated hypertensive posterior leukoencephalopathy

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Abstract
Human recombinant erythropoietin is used to treat chronic anemia in patients with end-stage renal failure. Erythropoietin causes hypertension, and hypertensive encephalopathy has been associated with its use. We describe six dialysis-dependent, chronic renal failure patients who developed hypertension, headache, and seizures while on erythropoietin. Four of the six patients had posterior white matter changes on neuroimaging. The encephalopathy was managed by prompt antihypertensive and anticonvulsant treatment and by discontinuation of erythropoietin. Hypertensive posterior leukoencephalopathy is associated with erythropoietin use.