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  • Title: Metabolic encephalopathy as a complication of renal failure: mechanisms and mediators.
    Author: Fraser CL, Arieff AI.
    Journal: New Horiz; 1994 Nov; 2(4):518-26. PubMed ID: 7804801.
    Abstract:
    Among patients with end-stage renal disease, nervous system dysfunction remains a major cause of disability. Patients with chronic renal failure who have not yet received dialysis may develop symptoms ranging from mild sensorial clouding to delirium and coma. Dialysis itself is associated with at least three distinct disorders of the CNS: dialysis disequilibrium syndrome; dialysis dementia; and progressive intellectual dysfunction. Peripheral neuropathy is also a major cause of disability in uremic subjects. It is believed that aluminum contributes to the pathogenesis of dialysis dementia. Biochemically, brain calcium is elevated in patients with renal failure, probably because of actions of parathyroid hormone on the brain. The diagnosis of dialysis disequilibrium syndrome, intellectual dysfunction, dialysis dementia, and uremic neuropathy can be made by the characteristic clinical pictures of these syndromes and the exclusion of other causes of nervous system dysfunction.
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