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Neurologic syndromes in hyperammonemic disorders.

G N Breningstall1

  • 1Department of Pediatrics, Temple University School of Medicine, Philadelphia, Pennsylvania.

Pediatric Neurology
|September 1, 1986
PubMed
Summary

This review covers neurologic issues in hyperammonemic disorders, caused by metabolic errors or liver problems. Early diagnosis and understanding ammonia

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Area of Science:

  • Neurology
  • Metabolic Disorders
  • Hepatology

Background:

  • Hyperammonemic disorders stem from inborn errors of metabolism or liver dysfunction.
  • Ammonia accumulation in the blood (hyperammonemia) can lead to severe neurologic symptoms.

Purpose of the Study:

  • To review the neurologic manifestations of hyperammonemic disorders.
  • To outline the pathogenesis, diagnosis, and neurotoxicity of ammonia.

Main Methods:

  • Literature review of neurologic manifestations in hyperammonemia.
  • Discussion of diagnostic algorithms for hyperammonemic disorders.
  • Analysis of ammonia's neurotoxic effects.

Main Results:

  • Identifies various causes of hyperammonemia, including metabolic and hepatic origins.
  • Describes catastrophic hyperammonemia, hyperammonemic coma, and less severe intoxication symptoms.
  • Emphasizes considering hyperammonemia in patients with unexplained neurologic symptoms.

Conclusions:

  • Hyperammonemia is a critical factor in neurologic dysfunction across various conditions.
  • Prompt diagnosis and management are essential to prevent severe neurologic sequelae.
  • Ammonia's neurotoxicity necessitates awareness and targeted investigation.

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