Intracranial hypertension

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Intracranial hypertension, commonly abbreviated IH, IICP or raised intracranial pressure (ICP), is elevation of the pressure in the cranium greater than 20 cmH2O.

ICP is normally 7–15 mm Hg; at 20–25 mm Hg, the upper limit of normal, treatment to reduce ICP may be needed.

Intracranial Hypertension Etiology.

Intracranial hypertension clinical features

Intracranial hypertension diagnosis.

Intracranial hypertension is the largest cause of death in young patients with severe traumatic brain injury ¹⁾.

Autonomic impairment after acute traumatic brain injury has been associated independently with both increased morbidity and mortality. Links between autonomic impairment and increased intracranial pressure or impaired cerebral autoregulation have been described as well. However, relationships between autonomic impairment, intracranial pressure, impaired cerebral autoregulation, and outcome remain poorly explored.

If intracranial pressure gets too high, it can lead to deadly brain herniation, in which parts of the brain are squeezed past structures in the skull.

see Intracranial hypertension treatment.