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Neurological involvement in hemolytic-uremic syndrome

K J Sheth, H M Swick, N Haworth

    Annals of Neurology
    |January 1, 1986
    PubMed

    Insights

    Neurological involvement in children with hemolytic-uremic syndrome (HUS) is common and associated with severe outcomes. Central nervous system complications indicate a poorer prognosis, including increased risk of death and chronic renal damage.

    Area of Science:

    • Pediatric Nephrology
    • Pediatric Neurology
    • Critical Care Medicine

    Background:

    • Hemolytic-uremic syndrome (HUS) is a serious condition primarily affecting children.
    • Neurological complications can occur in HUS, but their impact on long-term outcomes requires further elucidation.

    Purpose of the Study:

    • To investigate the prevalence and characteristics of neurological involvement in children with HUS.
    • To determine the association between neurological involvement and clinical outcomes in pediatric HUS patients.

    Main Methods:

    • Retrospective review of 44 children diagnosed with HUS at Milwaukee Children's Hospital.
    • Analysis of neurological symptoms, physical examination findings, laboratory results, and neuroimaging.
    • Assessment of short-term and long-term neurological recovery and overall patient outcomes.

    Main Results:

    • 34% of HUS patients (15/44) exhibited neurological involvement, with a mean age of 3.25 years.
    • Seizures were common (12/15), often linked to hypertension, fever, hyponatremia, or hypocalcemia.
    • Significant neurological sequelae included hemiparesis, visual defects, and cognitive impairment, with only 6/15 achieving complete recovery.

    Conclusions:

    • Neurological involvement in pediatric HUS is a significant indicator of disease severity.
    • Children with HUS and neurological complications face higher risks of residual hypertension, chronic renal damage, and mortality.
    • Early recognition and management of neurological symptoms are crucial for improving outcomes in severe HUS cases.

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