brain herniation


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brain herniation

Pressure-induced prolapse of part of the brain into adjacent spaces, which occurs when the brain is under high pressure.
 
Clinical findings
Coma, paralysis, unilateral dilated pupil.
 
Aetiology
Head injury, primary or metastatic brain tumour, bacterial meningitis, brain abscess.
 
Types
Cerebellar herniation, uncal (temporal) herniation, transtentorial herniation.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

brain herniation

Neurology A pressure-induced prolapse of part of the brain into adjacent spaces, which occurs when the brain is under very high pressure Clinical Coma, paralysis, unilateral dilated pupil Etiology Head injury, 1º or metastatic brain tumor, bacterial meningitis, brain abscess Types Cerebellar herniation, uncal–temporal herniation, transtentorial herniation of the brain
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The only patients in the study who had brain herniations were two patients who had severe mass effect on CT, and did not receive lumbar punctures.
Sinking flap syndrome was found in 17.94% cases whereas external brain herniation, CSF leak, hydrocephalus, expansion of contusion, subdural hygromas were found in 5.1%, 2.56%, 5.1% , 10.3%, 10.3% cases respectively.
Cerebral edema and a transtentorial brain herniation syndrome associated with pandemic swine influenza A (H1N1) virus infection.
Factors associated with brain herniation in the treatment of diabetic ketoacidosis.
The cause of death was cerebral edema with brain herniation due to acute hyponatremia (ISMP Canada, 2009).
These patients may present with less severe symptoms and have a lower risk of brain herniation. However, in severely hyponatraemic patients with lethargy, delirium, seizures or respiratory failure due to neurogenic pulmonary oedema, some authors also recommend an initial more rapid rise in sodium levels (i.e.
Surgical evacuation of a supratentorial intracerebral hematoma is not usually recommended, although in certain selected patients with developing brain herniation or very high intracranial pressure, surgery may be helpful.
Surgical evacuation of a supratentorial intracerebral hematoma is not recommended in most circumstances, although in certain selected patients with developing brain herniation or very high intracranial pressure, surgery may be helpful.
On September 26, he had onset of cerebral edema and subsequent brain herniation. Life support was withdrawn, and the patient died on September 27.
The inmate died of "brain herniation" caused by a brain tumor which resulted from metastasis of the testicular cancer in the inmate's brain, but the court held that the cancer did not spread to the inmate's brain because of a short delay in initiating chemotherapy.
Lumbar puncture may cause herniation in patients with intracranial pressure, because a sudden release of pressure can result in brain herniation. As the intracranial pressure increases, the patient becomes stuporous, reacting only to loud auditory or painful stimuli.
She had suffered headaches since she was seven, but doctors only diagnosed her condition as a hind brain herniation in January after her mother, Mrs Liz Dunthorne, spotted the symptoms.