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Related Experiment Videos

Cerebral ventricular volume during hyponatraemia.

G Decaux1, M Szyper, A Grivegnée

  • 1Department of Internal Medicine, Saint-Pierre University Hospital, Brussels, Belgium.

Journal of Neurology, Neurosurgery, and Psychiatry
|May 1, 1983
PubMed
Summary
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Chronic hyponatremia can cause brain swelling, particularly in patients experiencing seizures. Ventricular volume changes indicate that brain edema may be a factor in these neurologic symptoms.

Area of Science:

  • Neurology
  • Nephrology
  • Internal Medicine

Background:

  • Chronic hyponatremia is a condition characterized by low sodium levels in the blood.
  • Neurologic manifestations are common in chronic hyponatremia, but their underlying causes are not fully understood.
  • Brain edema (swelling) is a potential complication of electrolyte imbalances.

Purpose of the Study:

  • To investigate whether brain edema contributes to the neurologic symptoms observed in chronic hyponatremia.
  • To assess changes in cerebral ventricular volume as an indicator of brain edema before and after correcting hyponatremia.

Main Methods:

  • Eight patients with chronic hyponatremia and central nervous system manifestations were studied.
  • Cerebral ventricular volume was measured using neuroimaging techniques.

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  • Measurements were taken before and after the correction of hyponatremia.

    • Main Results:

    • A significant change in cerebral ventricular size was observed in three out of eight patients.
    • These three patients were the ones who experienced seizures.
    • The findings suggest a correlation between seizures, brain edema, and hyponatremia.

    Conclusions:

    • Brain edema may play a role in the neurologic manifestations of chronic hyponatremia, particularly in patients with seizures.
    • Cerebral ventricular volume changes can serve as an indicator for brain edema in this context.
    • Further research is warranted to elucidate the precise mechanisms linking hyponatremia, brain edema, and neurologic symptoms.