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DictionarySeeencephalopathyhypoxic encephalopathy
hypoxic encephalopathy[hī′päk·sik en‚sef·ə′läp·ə‚thē] (medicine) Brain damage syndrome caused by hypoxia. hypoxic encephalopathy
encephalopathy [en-sef″ah-lop´ah-the] any degenerative disease of the brain.AIDS encephalopathy HIV encephalopathy.anoxic encephalopathy hypoxic encephalopathy.biliary encephalopathy (bilirubin encephalopathy) kernicterus.bovine spongiform encephalopathy a prion disease of adult cattle in the British Isles with neurologic symptoms. It is transmitted by feed containing protein in the form of meat and bone meal derived from infected animals. The etiologic agent is also the cause of new variant Creutzfeldt-Jakob disease. Called also mad cow disease.boxer's encephalopathy (boxer's traumatic encephalopathy) a syndrome due to cumulative head blows absorbed in the boxing ring, characterized by slowing of mental function, occasional bouts of confusion, and scattered memory loss. It may progress to the more serious boxer's dementia. See also postconcussional syndrome.dialysis encephalopathy a degenerative disease of the brain associated with longterm use of hemodialysis, marked by speech disorders and constant myoclonic jerks, progressing to global dementia.hepatic encephalopathy a condition, usually occurring secondary to advanced liver disease, marked by disturbances of consciousness that may progress to deep coma (hepatic coma), psychiatric changes of varying degree, flapping tremor, and fetor hepaticus.HIV encephalopathy (HIV-related encephalopathy) a progressive primary encephalopathy caused by infection with virus" >human immunodeficiency virus type I, manifested by a variety of cognitive, motor, and behavioral abnormalities. Called also AIDS encephalopathy.hypernatremic encephalopathy a severe hemorrhagic encephalopathy induced by the hyperosmolarity accompanying hypernatremia and dehydration.hypertensive encephalopathy a complex of cerebral phenomena such as headache, convulsions, and coma that occur in the course of malignant hypertension.hypoxic encephalopathy encephalopathy caused by hypoxia from either decreased rate of blood flow or decreased oxygen content of arterial blood; mild cases cause temporary intellectual, visual, and motor disturbances, and severe cases can cause permanent brain damage within five minutes. Called also anoxic encephalopathy.lead encephalopathy brain disease caused by lead poisoning.mitochondrial encephalopathy encephalopathy associated with mitochondrial abnormalities, such as melas syndrome" >melas syndrome and merrf syndrome" >merrf syndrome.portal-systemic encephalopathy (portasystemic encephalopathy) hepatic encephalopathy.progressive subcortical encephalopathy Schilder's disease.subacute spongiform encephalopathy (transmissible spongiform encephalopathy) prion disease.traumatic encephalopathy 1. boxer's encephalopathy.2. postconcussional syndrome.Wernicke's encephalopathy a neurological disorder characterized by confusion, apathy, drowsiness, ataxia of gait, nystagmus, and ophthalmoplegia; it is due to thiamine deficiency, usually from chronic alcohol abuse. It is almost invariably accompanied by or followed by korsakoff's syndrome and frequently accompanied by other nutritional polyneuropathies. See also wernicke-korsakoff syndrome.hypoxic encephalopathyNeurological damage due to deprivation of oxygen or blood or of both to the brain for several minutes. The damage may range from a transient loss of short-term memory to persistent vegetative coma. Many conditions can result in an oxygen deficiency in the brain, including carbon monoxide inhalation, cardiac arrest, hypotensive episodes of any kind, e.g., any form of shock, near-drowning, and suffocation. If patients are not rapidly revived and oxygenation restored, the hippocampus, and later the other cerebral structures, may be permanently injured and the patient may suffer irreversible brain damage. Synonym: hypoxic-ischemic encephalopathySee also: encephalopathy |