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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.
An intraparenchymal bleed (bottom arrow) with surrounding edema (top arrow) Pediatric stroke is a stroke that occurs in children or adolescents. Stroke affects an estimated 2.5 to 13 per 100,000 children annually. [1] The signs and symptoms of stroke in children, infants, and newborns are different from those in adults.
The symptoms depend on the cause of the blockage, the person's age, and how much brain tissue has been damaged by the swelling. [11] In infants with hydrocephalus, CSF builds up in the central nervous system (CNS), causing the fontanelle (soft spot) to bulge and the head to be larger than
In the past, treatment options were limited to supportive medical therapy. [15] Currently, neonatal encephalopathy is treated using hypothermia therapy. [16] This has been shown to reduce brain damage, reduce future disability, and improve survival. [17] Hypothermia therapy is also sometimes termed hypothermic neural rescue therapy.
In the presence of second-impact syndrome, the mortality rate is at best 50% when diffuse cerebral swelling occurs. [44] In part due to the poor documentation of the initial injury and continuing symptoms in recorded cases, [23] some professionals think that the condition is over-diagnosed, [1] and some doubt the validity of the diagnosis ...
An increase in pressure, most commonly due to head injury leading to intracranial hematoma or cerebral edema, can crush brain tissue, shift brain structures, contribute to hydrocephalus, cause brain herniation, and restrict blood supply to the brain. [13] It is a cause of reflex bradycardia. [14]
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The diagnosis is usually made by a brain scan , in which areas of swelling can be identified. The treatment for PRES is supportive: removal of the cause or causes and treatment of any of the complications, such as anticonvulsants for seizures. PRES may be complicated by intracranial hemorrhage, but this is relatively rare. The majority of ...