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Death during recovery from severe malnutrition and its possible relationship to sodium pump activity in the leucocyte

J Patrick

    British Medical Journal
    |April 23, 1977
    PubMed

    Insights

    Malnourished children at risk of sudden death during refeeding may have specific leucocyte (white blood cell) electrolyte abnormalities. Pretreatment leucocyte sodium efflux rate and concentration can predict this risk, aiding early intervention.

    Area of Science:

    • Biochemistry
    • Pediatric Nutrition
    • Cellular Physiology

    Background:

    • Refeeding syndrome poses a risk to malnourished children, potentially leading to sudden death.
    • Leukocyte (white blood cell) electrolyte balance is crucial for cellular function.
    • Understanding cellular markers can improve risk assessment in pediatric malnutrition.

    Observation:

    • Retrospective analysis of leucocyte data from malnourished children who died suddenly during high-energy feeding revealed distinct patterns.
    • Children who died showed higher pretreatment sodium efflux rate and lower intracellular sodium concentration in leucocytes compared to those who recovered.
    • Two children with unusual leucocyte electrolyte values developed extracellular fluid overload during treatment but responded to medical intervention.

    Findings:

    • Pretreatment leucocyte sodium efflux rate constant was higher in children who died suddenly.
    • Intracellular sodium concentration in leucocytes was lower in the high-risk group.
    • Leucocyte electrolyte values and sodium pump activity appear to be predictive markers for refeeding complications.

    Implications:

    • Leucocyte analysis can identify malnourished children at risk of sudden death during refeeding.
    • Early identification allows for closer monitoring and timely intervention for potential fluid overload.
    • These findings may refine risk stratification protocols for refeeding therapy in pediatric malnutrition.

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