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Cerebral edema is a potentially life-threatening complication of severely decreased sodium ion concentration in the blood (hyponatremia). [17] Ionic brain edema can also occur around the sites of brain hemorrhages, infarcts, or contusions due to a local plasma osmolality pressure gradient when compared to the high osmolality in the affected tissue.
The presence of brain hemorrhage and cytotoxic edema (brain edema with concomittant brain tissue damage) is also associated with a poor prognosis. [2] If PRES was caused by pre-eclampsia or eclampsia the prognosis is better than in PRES due to other causes. [1] [2]
Then intracellular sodium and osmolarity increase, and there is an influx of water that causes cellular swelling. [9] [19] After the failure of the ATPase pumps, free radicals form and cause damage that complicates the edema. [13] Evidence against cytotoxic edema includes the high levels of hypoxemia (low bloodstream oxygen) needed to cause it ...
The main cause of the neurological disorders is believed to be demyelination of the cerebral hemispheres, though there is currently no widely accepted consensus on why. The most commonly accepted theories for the cause of demyelination include hypoxia and cerebral edema due to carbon monoxide toxicity, drug overdose, or cerebral blood vessel ...
Toxic encephalopathy is a neurologic disorder caused by exposure to neurotoxic organic solvents such as toluene, following exposure to heavy metals such as manganese, as a side effect of melarsoprol treatment for African trypanosomiasis, adverse effects to prescription drugs, or exposure to extreme concentrations of any natural toxin such as cyanotoxins found in shellfish or freshwater ...
The cause of death: cerebral edema, a swelling of the brain brought on after Lee had taken too much aspirin." It also mentioned that toward the end of his life, Lee had suffered "several public ...
Related: 8-Year-Old Boy's Dream of Skydiving Finally Comes True After Lazy Eye Led to Terminal Cancer Diagnosis (Exclusive) Campbell was diagnosed with medulloblastoma, a type of brain tumor that ...
Cerebral edema is mainly classified into cytotoxic edema, vasogenic edema and interstitial edema. Cytotoxic edema affects both the white and gray matter and results from the swelling of cellular elements such as neurons, glia and endothelial cells. Vasogenic edema affects white matter and results from blood brain barrier (BBB) breakdown ...