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Hypomagnesemia-Induced Seizures Post Severe Acute Kidney Injury

Anwar Al-Omairi1, Ahmed Alfarsi2

  • 1Child Health, Sultan Qaboos University Hospital, Muscat, OMN.

Cureus
|July 27, 2022
PubMed

Insights

Severe acute kidney injury (AKI) in children can cause prolonged magnesium wasting. This transient condition increases risks following severe AKI, especially with seizures.

Area of Science:

  • Pediatric Nephrology
  • Critical Care Medicine
  • Clinical Biochemistry

Background:

  • Acute kidney injury (AKI) is a frequent and serious complication in pediatric intensive care units (PICUs).
  • AKI in children is linked to significant increases in morbidity and mortality.
  • Generalized tonic-clonic seizures can be a presenting feature of severe illness in children.

Observation:

  • This study observed a specific metabolic derangement following severe AKI in pediatric patients.
  • The focus was on renal handling of magnesium (Mg) in the context of acute kidney injury.
  • A correlation was noted between severe AKI, seizures, and altered magnesium excretion.

Findings:

  • Severe acute kidney injury in children can lead to prolonged, transient renal magnesium wasting.
  • This increased Mg loss occurs despite the kidney's typically conserving role in injury.
  • The phenomenon was observed in cases presenting with generalized tonic-clonic seizures.

Implications:

  • Understanding this Mg wasting is crucial for managing electrolyte balance in critically ill children.
  • Prolonged magnesium loss may contribute to the overall morbidity associated with severe AKI.
  • Further research is needed to elucidate the mechanisms and clinical consequences of post-AKI magnesium wasting.

Keywords:
acute kidney injuryacute tubular necrosishypomagnesemiapediatric seizuretubulopathy

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