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Pyridoxal phosphate-responsive epilepsy with resistance to pyridoxine.

Abstract
We present a female infant with seizures responsive to pyridoxal phosphate but that are resistant to pyridoxine. The mechanism by which pyridoxal phosphate controls seizures in this patient is unknown. Her seizures are perhaps not solely caused by pyridoxal phosphate deficiency. It is suggested that in addition to glutamic acid decarboxylase abnormality, the path from the absorption, transportation, phosphorylation, and oxidation of pyridoxine to pyridoxal phosphate in this patient might be defective. It should be considered whether pyridoxal phosphate can be the drug of choice instead of pyridoxine in treating patients suspected of pyridoxine-dependent epilepsy to reduce failure rate and further delay in seizure control.
AuthorsMeng-Fai Kuo, Huei-Shyong Wang
JournalPediatric neurology (Pediatr Neurol) Vol. 26 Issue 2 Pg. 146-7 (Feb 2002) ISSN: 0887-8994 [Print] United States
PMID11897481 (Publication Type: Case Reports, Journal Article)
Chemical References
  • Pyridoxal Phosphate
  • Pyridoxine
Topics
  • Administration, Oral
  • Electroencephalography (drug effects)
  • Female
  • Humans
  • Infant, Newborn
  • Infant, Premature, Diseases (drug therapy)
  • Infusions, Intravenous
  • Pyridoxal Phosphate (administration & dosage)
  • Pyridoxine (administration & dosage)
  • Spasms, Infantile (drug therapy)
  • Treatment Failure

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