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Hyponatremia and hypernatremia

R M Friedler, A Koffler, K Kurokawa

    Clinical Nephrology
    |April 1, 1977
    PubMed
    Summary
    This summary is machine-generated.

    Serum sodium levels are regulated by water balance. Hyponatremia (low sodium) and hypernatremia (high sodium) result from imbalances in body water, affecting the central nervous system and requiring treatment by correcting water content.

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    Area of Science:

    • Nephrology
    • Endocrinology
    • Internal Medicine

    Background:

    • Serum sodium concentration is primarily regulated by the body's water balance.
    • Disruptions in water-sodium equilibrium lead to hyponatremia or hypernatremia.
    • These electrolyte imbalances can occur across a spectrum of body sodium levels and disease states.

    Purpose of the Study:

    • To explain the pathophysiology of hyponatremia and hypernatremia.
    • To describe the clinical manifestations of these serum sodium disorders.
    • To outline the treatment principles for correcting water balance abnormalities.

    Main Methods:

    • Review of physiological principles governing water and sodium balance.
    • Analysis of clinical presentations associated with hyponatremia and hypernatremia.

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  • Discussion of therapeutic strategies targeting body water content.

    • Main Results:

    • Hyponatremia is characterized by excess total body water relative to sodium, potentially causing brain edema.
    • Hypernatremia involves a relative decrease in body water compared to sodium, leading to brain dehydration and cerebrovascular hemorrhages.
    • Symptoms in both conditions stem from central nervous system disturbances.

    Conclusions:

    • Serum sodium disorders are fundamentally linked to water balance disturbances.
    • Central nervous system complications are significant in both hyponatremia and hypernatremia.
    • Treatment focuses on restoring normal body water content to resolve these conditions.