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  • Title: [Practice of botulism].
    Author: Ikeguchi K.
    Journal: Brain Nerve; 2011 Jul; 63(7):763-73. PubMed ID: 21747147.
    Abstract:
    Botulism is a rare but potentially life-threatening motor and autonomic paralytic syndrome caused by the action of neurotoxins released by Clostridium botulinum. The modern syndromes of botulism have 6 forms: 4 naturally occurring syndromes and 2 human-induced syndromes. Food-borne botulism is caused by ingestion of foods contaminated with botulinum toxin. Wound botulism is caused by C. botulinum infection of a wound and in situ toxin production. Infant botulism and adult intestinal botulism are caused by intestinal colonization and in situ toxin production. Air-borne botulism results from aerosolization of botulinum toxin, whereas iatrogenic botulism occurs due to injection of a large dose of the toxin. Another human-induced form may occur when the aerosolized toxin is released as an act of bioterrorism. All forms of botulism produce a similar syndrome: symmetrical cranial motor nerve palsies followed by descending, symmetrical motor weakness, which may progress to respiratory failure requiring intubation and respiratory support. The clinical diagnosis can be confirmed by electrophysiological studies. Laboratory diagnosis includes serum analysis of toxin by bioassay in mice. Analysis of stool, vomitus, and suspected food items may reveal the toxin. In wound botulism, isolation of C. botulinum from the wound site is diagnostic. The mainstays of therapy are meticulous intensive care including respiratory support, when necessary, and timely administration of the antitoxin.
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