儿童肺炎衣原体感染的研究

为了解北京市2~14岁健康儿童TWAR既往感染的状况及肺炎患儿ＴWAR急性感染的发病率，自1994年11月，我们应用微量免疫荧光试验（MIF），对北京市城区508名，郊区450名2~14岁健康儿童进行血清流行病学调查，在同期对住院的97例2~14岁肺炎儿童进行TWAR的研究。结果表明，健康儿童中TWAR感染阳性率随年龄增长而升高。13~14岁可达13%。儿童时期阳性率与性别无差异。肺炎患儿既感染阳性率与健康同年龄儿童无明显差异。97例肺炎患7例诊断为急性TWAR感染，占72.2%．9~12岁发病率最高。并对其临床表现及实验室检查做简单介绍。

A Study on the Children Chlamydia? Pneumoriiae Infection in Beijing

In order to knaw the Children Chlainydia Pneumoniae Infection in Beijing, a serological study was carried out in 97 hospitalized Children with pneumonia．(214 years old) and 958 same age healthy ehildren from November 1994 to November 1995.The study WaS con-ducted by using Micro-Immnno-Fluoreeein Method．The result indicated that the serum positive rates were 13.8％in 2～6 years of age，17.9％in 7～9 years of age 24.9％in 10～12 years of age and the highest 38.7％in 13～14 years of age in healthy childrenPositive rates were in creased with age．No significant difference of positive rates Was found in sex. The serum positive rates werel5.7％in 2～6 years of age and 30.1％in 7～14 years ofage in 97 hospitalized Chfl-dren with pneumonia．No significant differene of positive rates between healthy children and pa-tients with pneumonia．7 hospitalized children with pneumonia were serolcgically diagnosed aschlamydia infection in 97 patients with pneumonia．The prevalence rate of chlamydia WaS 7.2％ in 97 hospRalized patients．The highest WaS in the 9～12 age group．Clinical manifestation of pneumonia caused by chiamydia and laboratory features were observed as well.