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Updated: Feb 1, 2026

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Cerebral Edema and Elevated Intracranial Pressure.

Matthew A Koenig

    Continuum (Minneapolis, Minn.)
    |December 6, 2018
    PubMed
    Summary

    Effective management of elevated intracranial pressure (ICP) and cerebral edema requires tailored treatments. Corticosteroids are not advised for traumatic brain injury, and advanced therapies like hypothermia and decompressive craniectomy are reserved for refractory cases.

    Area of Science:

    • Neurocritical care
    • Neurosurgery
    • Neurology

    Background:

    • Cerebral edema, elevated intracranial pressure (ICP), and cerebral herniation are critical neurocritical care concerns.
    • Understanding the distinct pathophysiology of these conditions is key to effective management.

    Purpose of the Study:

    • To review current management strategies for cerebral edema, elevated ICP, and cerebral herniation syndromes.
    • To provide guidance on the appropriate use of medical and surgical interventions in neurocritical care.

    Main Methods:

    • Review of current literature and clinical trial data on managing cerebral edema and ICP.
    • Discussion of treatment protocols, including first-line, second-line, and third-line interventions.
    • Emphasis on tailored treatment based on patient characteristics and underlying pathology.

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    Main Results:

    • Corticosteroids are effective for vasogenic edema around tumors but contraindicated in traumatic cerebral edema.
    • Mannitol and hypertonic saline require careful consideration of intravascular volume status.
    • A tiered treatment protocol is recommended for elevated ICP in comatose traumatic brain injury patients, aiming for ICP ≤ 22 mm Hg.
    • Third-line treatments (anesthetics, hypothermia, decompressive craniectomy) are reserved for refractory ICP elevation and have shown limited efficacy as early neuroprotective strategies.
    • Bedside pupillometry and recognition of herniation signs are crucial for monitoring.

    Conclusions:

    • Treatment decisions for elevated ICP, cerebral edema, and herniation must be based on specific pathophysiological processes.
    • Focal lesions often require surgical decompression, while global injuries necessitate comprehensive medical and surgical management protocols.