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Isaac's syndrome: report of a case responding to valproic acid.

AbstractIsaac's syndrome is an uncommon, but distressing, condition of spontaneous abnormal muscle activity caused by neuronal hyperexcitability possibly due to damage to slow potassium channels. The underlying aetiology may be peripheral nerve damage from a wide variety of causes, including autoimmune disease. We report a case that failed to respond to carbamazepine or phenytoin but responded dramatically to valproic acid. Thus, valproic acid may be an effective treatment for Isaac's syndrome where these other drugs have failed.
AuthorsT J O'Brien, P Gates (Affiliation: Department of Clinical Neuroscience, St. Vincent's Hospital, Melbourne.)
JournalClinical and experimental neurology (Clin Exp Neurol) Vol. 31 Pg. 52-60 ( 1994) ISSN: 0196-6383 AUSTRALIA
PMID7586665 (Publication Type: Case Reports, Journal Article)
Chemical References
  • Valproic Acid
Topics
  • Biopsy
  • Electromyography
  • Fasciculation (drug therapy, pathology, physiopathology)
  • Humans
  • Male
  • Middle Aged
  • Muscle Cramp (physiopathology)
  • Muscles (pathology)
  • Valproic Acid (therapeutic use)