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[Intracranial pressure changes during sleep in man].

M Ogashiwa, K Takeuchi

    No to Shinkei = Brain and Nerve
    |February 1, 1983
    PubMed
    Summary

    Continuous intracranial pressure (ICP) monitoring during REM sleep is crucial for diagnosing normal pressure hydrocephalus (NPH) and postoperative complications. Elevated ICP during REM sleep may indicate a need for surgical intervention in NPH patients.

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    Area of Science:

    • Neurosurgery
    • Neurology
    • Sleep Medicine

    Context:

    • Intracranial pressure (ICP) monitoring is vital for managing intracranial pathology.
    • The relationship between REM sleep and ICP requires further investigation, particularly in postoperative patients and those with normal pressure hydrocephalus (NPH).

    Purpose:

    • To investigate the correlation between REM sleep and ICP fluctuations in NPH and postoperative patients.
    • To assess the diagnostic and prognostic significance of ICP monitoring during sleep.

    Summary:

    • ICP was monitored in 7 NPH and 6 postoperative patients using Brock's method, with simultaneous polygraphic recordings.
    • Increased ICP correlated with REM sleep in 3 postoperative cases; anesthetic effects may have influenced ICP in others.
    • NPH patients showed varied ICP responses during REM sleep, with irregular ICP linked to positive surgical outcomes.

    Impact:

    • ICP monitoring during REM sleep can aid in surgical decision-making for NPH.
    • Findings suggest that ICP augmentation during REM sleep is linked to increased cerebral blood flow and impaired CSF absorption.
    • This study highlights the importance of considering sleep stages in ICP assessment and management.

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