encephalopathy

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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 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 and 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
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.

en·ceph·a·lop·a·thy

(en-sef'ă-lop'ă-thē),
Any disorder of the brain.
[encephalo- + G. pathos, suffering]

encephalopathy

/en·ceph·a·lop·a·thy/ (en-sef″ah-lop´ah-the) any degenerative brain disease.
AIDS encephalopathy  HIV e.
anoxic encephalopathy  hypoxic e.
biliary encephalopathy , bilirubin encephalopathy kernicterus.
bovine spongiform encephalopathy  a transmissible spongiform encephalopathy of adult cattle, 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.
boxer's encephalopathy , boxer's traumatic encephalopathy slowing of mental function, confusion, and scattered memory loss due to continual head blows absorbed in the boxing ring.
dialysis encephalopathy  a degenerative disease of the brain associated with long-term use of hemodialysis, marked by speech disorders and constant myoclonic jerks, progressing to global dementia; it is due to high levels of aluminum in the dialysis fluid water or to aluminum-containing drugs used in treatment.
hepatic encephalopathy  a condition, usually occurring secondarily 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 AIDS encephalopathy; a progressive primary encephalopathy caused by human immunodeficiency virus type 1 infection, manifested by a variety of cognitive, motor, and behavioral abnormalities.
hypoxic encephalopathy  encephalopathy caused by hypoxia from decreased rate of blood flow or decreased oxygen in the blood; severe cases can cause permanent brain damage within five minutes.
hypoxic-ischemic encephalopathy  that resulting from fetal or perinatal asphyxia, characterized by feeding difficulties, lethargy, and convulsions.
lead encephalopathy  edema and central demyelination caused by excessive ingestion of lead compounds, particularly in young children.
myoclonic encephalopathy of childhood  a neurologic disorder of unknown etiology with onset between ages 1 and 3, characterized by myoclonus of trunk and limbs and by opsoclonus with ataxia of gait, and intention tremor; some cases have been associated with occult neuroblastoma.
subacute spongiform encephalopathy , transmissible spongiform encephalopathy prion disease.
Wernicke's encephalopathy  an inflammatory hemorrhagic form due to thiamine deficiency, usually associated with chronic alcoholism, with paralysis of the eye muscles, diplopia, nystagmus, ataxia, and usually accompanying or followed by Korsakoff's syndrome.

encephalopathy

(ĕn-sĕf′ə-lŏp′ə-thē)
n. pl. encephalopa·thies
Any of various diseases of the brain.

en·ceph′a·lo·path′ic (-lə-păth′ĭk) adj.

encephalopathy

[ensef′əlop′əthē]
Etymology: Gk, enkephalos + pathos, disease
any abnormal condition of the structure or function of brain tissues, especially chronic, destructive, or degenerative conditions, as Wernicke's encephalopathy or Schilder's disease.

encephalopathy

Neurology A metabolic, toxic, neoplastic, or degenerative disease of the brain. See Alcoholic encephalopathy, Bismuth encephalopathy, Bovine spongiform encephalopathy, Boxers' encephalopathy, Hepatic encephalopathy.

en·ceph·a·lop·a·thy

(en-sefă-lopă-thē)
1. Any disorder of the brain.
2. A disorder of the brain parenchyma, as distinct from a disorder of the meninges.
Synonym(s): cephalopathy, cerebropathy, encephalosis.
[encephalo- + G. pathos, suffering, disease]

encephalopathy

Any degenerative or other non-inflammatory disorder affecting the brain in a widespread manner.

Encephalopathy

A dysfunction of the brain. Hepatic encephalopathy is brain dysfunction that occurs because the liver isn't removing harmful substances from the blood.

en·ceph·a·lop·a·thy

, encephalopathia (en-sefă-lopă-thē, -lō-pathē-ă)
Any disorder of the brain.

encephalopathy

any degenerative disease of the brain.

biliary encephalopathy, bilirubin encephalopathy
kernicterus.
feline ischemic encephalopathy
an acute, ischemic cerebral necrosis causing various degrees of cerebral dysfunction including depression, ataxia, circling, behavioral changes, blindness and seizures.
hepatic encephalopathy
severe hepatic insufficiency may induce a syndrome of excitability, tremor, compulsive walking, head pressing, and apparent blindness, followed by coma and convulsions, a dummy syndrome. The probable pathogenesis of this hepatic encephalopathy is the accumulation of ammonia, because of the failure of the liver to metabolize it, and the development of a spongy degeneration of the brain as a direct result of the hyperammonemia. A similar pathogenesis is hypothesized for the genesis of a cerebrotoxicant in companion animals with congenital defects in hepatic vasculature. See also portacaval shunt, hepatitis.
hypernatremic encephalopathy
a severe hemorrhagic encephalopathy induced by the hyperosmolarity accompanying hypernatremia and dehydration.
lead encephalopathy
brain disease caused by lead poisoning.
encephalopathy-microphthalmia syndrome
an inherited disorder in hereford cattle with ocular and neurological defects and muscular dystrophy. Affected calves are blind and unable to stand.
portosystemic encephalopathy
hepatic encephalopathy.
transmissible mink encephalopathy
transmissible disease of mink which resembles scrapie in sheep. There is a very long incubation period, hyperirritability, biting, paralysis, coma and death. The scrapie agent is believed to be the cause.
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