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Neurology of Ciguatera
JNNP 70:4-8, Pearn,J., 2001
See this aricle in Pubmed

Article Abstract
The presenting signs of ciguatera are primarily neurotoxic in more than 80% of cases. Such include the pathognomonic features of postingestion paraesthesiae, dysaesthesiae, and heightened nociperception. Other sensory abnormalities include the subjective features of metallic taste, pruritis, arthralgia, myalgia, and dental pain. Cerebellar dysfunction, sometimes diphasic, and weakness due to both neuropathy and polymyositis may be encountered. Autonomic dysfunction leads to hypotension, bradycardia, and hypersalivation in severe cases. Ciguatoxins are potent, lipophilic sodium channel activator toxins which bind tot eh voltage sensitive (site 5) sodium channel on the cell membranes of all excitable tissues. Treatment depends on early d iagnosis and the early administration of intravenous mannitol. The early identification of the neurological features in sentinel patients has the potential to reduce the number of secondary cases in cluster outbreaks.
 
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arthralgia
ataxia,cerebellar
bradycardia
burning paresthesia
ciguatera poisoning
dysgeusia
fish poisoning
hypotension,systemic
mannitol
metallic taste
muscle pain
neurologic signs
neurologic symptoms
neurotoxin
pain
paresthesias
pruritus
review article
sodium channel dysfunction
toxins,nervous system
treatment of neurologic disorder
tremor

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