1999年3月～2003年12月我院及重庆医科大学附属儿童院收治了16例小儿急性共济失调。现分析如下。 1 临床资料 1.1 一般资料男7例,女9例,年龄2～4岁12例,5岁～9岁4例。 1.2 前驱症状 10例病前1～3周有发热、流涕、咳嗽等上呼吸道感染症状,2例在上呼吸道感染急性期发热1～2d后同时出现共济失调,4例无明显前驱症状。 1.3 临床表现均为急性起病,1～3d内症状达高峰。13例走路不稳、缓慢,不能走在一条直线上,易摔倒,扶走时足间距较宽,5例手持物不稳,4例躯干及头部震颤,不能静坐。伴有恶心、呕吐7例,头晕4例,头痛3例,发热2例,眩晕2例。四肢肌张力 March 1999 ~ December 2003 in our hospital and Chongqing Medical University Affiliated Children’s Hospital admitted 16 cases of pediatric acute ataxia. Analysis is as follows. 1 Clinical data 1.1 General Information 7 males and 9 females, aged 2 to 4 years in 12 cases, 5 years old to 9 years old in 4 cases. 1.2 Prodromal symptoms 10 cases 1 to 3 weeks before the fever, runny nose, cough and other symptoms of upper respiratory tract infection, 2 cases of fever in the upper respiratory tract infection 1 ~ 2d after the onset of ataxia at the same time, 4 cases without obvious prodromal symptoms. 1.3 clinical manifestations are acute onset, 1 ~ 3d symptoms reached the peak. 13 cases of walking instability, slow, can not walk in a straight line, easy to fall, walking away when the distance between feet wide, 5 cases of hand-held instability, 4 cases of trunk and head tremor, can not sit. Accompanied by nausea, vomiting in 7 cases, 4 cases of dizziness, headache in 3 cases, fever in 2 cases, 2 cases of dizziness. Limb muscle tension