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¡¡¡¡Clinical analysis of a collective ciguatoxin poisoning accident in a banquet.
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¡¡¡¡Abstract:Objective To explore the clinical feature in patients with tiger spot fish poisoning. Methods 63patients with tiger spot fish poisoning were observed.The nerve conduction velocity were determined in63patients and60controls. Results Symptoms usually appeared0.5¡«24hours after eating poisonous fish.The re were gastrointestinal£¬cardiovascular and neurological symptoms.The duration of paresthesia in63patients lasted for two weeks.temperature perversion were observed in54.0%patients.Lips£¬tongue and throat numbness with paresthesia were accounted for33.3%.Paresthesia at arms and legs muscle accounted for65.1%.and61.9%in skin.Sense of vision with paresthesia accounted for14.3%.36.5%abnormality rate was observed sensory never conduction velocity£¨SCV£©of median nerve in2weeks.Abnormality rate in SCV of tibial nerve was11.1%and14.3%abnor-mality rate of mote never conduction velocity£¨MCV£©in median and tibial nerve was observed.Trigeminal nerve abnormality did not occur. Conclusion The clinical symptoms of tiger spot fish poisoning includes gastrointestinal£¬cardiovascular and neurological symptoms.The tiger spot fish poisoning can lead to persistent paresthesia with characteristic temperature perversion.Peripheral nerves damage is more severe in farther limbs.
¡¡¡¡Key words:Tiger spot fish;Poisoning;Ciguatoxin
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