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Cerebral edema is a major cause of brain damage and contributes significantly to the mortality of ischemic strokes and traumatic brain injuries. [4] [9] As cerebral edema is present with many common cerebral pathologies, the epidemiology of the disease is not easily defined. [1]
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 ...
High-altitude cerebral edema (HACE) is a medical condition in which the brain swells with fluid because of the physiological effects of traveling to a high altitude. It generally appears in patients who have acute mountain sickness and involves disorientation, lethargy, and nausea among other symptoms.
Instead, it is most commonly associated with hemorrhage of small vessels in the cerebral cortex. [2] The strongest risk factor for intraparenchymal hemorrhage associated with cerebral amyloid angiopathy is old age, and cerebral amyloid angiopathy is most frequently seen in patients who already have, or will soon be diagnosed with, dementia. [3]
ICP correlates with intraocular pressure (IOP) but seems to lack the accuracy necessary for close management of intracranial pressure in the acute post-traumatic period. [7] Papilledema (swelling of the optic disc) can be a reliable sign of elevated ICP. Unlike other conditions that may result in the swelling of the optic disc, it is in the ...
Lee's death was officially ruled the result of cerebral edema — swelling of the brain. While a normal human brain is about 3 pounds, Lee's was reportedly closer to 3½ pounds.
According to the over-regulation conception, brain vessels spasm in response to acute hypertension, which results in cerebral ischemia and cytotoxic edema. [14] [15] According to the autoregulation breakthrough conception, cerebral arterioles are forced to dilate, leading to vasogenic edema. [12] Cerebral edema can be generalized or focal ...
The oedema surrounding the haemorrhage would rapidly increase in size in the first 48 hours, and reached its maximum extent at day 14. The bigger the size of the haematoma, the larger its surrounding oedema. [31] Brain oedema formation is due to the breakdown of red blood cells, where haemoglobin and other contents of red blood cells are released.