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探讨婴幼儿铅中毒性脑病的临床特点及诊断要点。方法分析了５例患儿的临床表现及辅助检查。结果婴幼儿铅中毒性脑病的临床特点主要表现为无热性惊厥、意识障碍、贫血、肝脏肿大、尿铅浓度异常增高及驱铅治疗迅速有效。结论对无热惊厥、意识障碍为主要表现的婴幼儿应考虑铅中毒的可能，需仔细询问接触史及结合血铅、尿铅等检查以作出诊断或排除诊断
To explore the clinical features and diagnosis points of infantile lead poisoning encephalopathy. Methods Five cases of children with clinical manifestations and laboratory examinations were analyzed. Results The main clinical manifestations of lead poisoning encephalopathy in infants and young children are as follows: no febrile convulsion, disturbance of consciousness, anemia, enlargement of the liver, abnormal increase of urinary lead concentration and rapid and effective lead-removing therapy. Conclusion Infants and young children with no febrile seizures and disturbance of consciousness should consider the possibility of lead poisoning. They should be carefully asked about the history of exposure and the combination of blood lead and urine lead to make a diagnosis or exclude the diagnosis