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目的探讨小儿肺炎对维生素Ａ的变化及其意义。方法肺炎患儿２６例，男１４例．女１２例，健康对照组３０例。于肺炎极期和肺炎恢复期分别取血，采用荧光法，专人检测维生素Ａ含量，与对照组血维生素Ａ含量进行比较，同时分析肺炎过程中维生素Ａ变化的特征。结果肺炎极期患儿血维生素Ａ含量较对照组显著下降；恢复期维生素Ａ含量回升．结论肺炎时存在亚临床维生素Ａ缺乏现象，炎症使维生素Ａ消耗增加．
Objective To investigate the changes of vitamin A in children with pneumonia and its significance. Methods 26 cases of children with pneumonia, 14 males. 12 females and 30 healthy controls. During the period of pneumonia and recovery of pneumonia, blood was taken separately. Fluorescence method was used to detect the content of vitamin A by hand, and compared with the content of vitamin A in control group. Meanwhile, the characteristics of vitamin A change during pneumonia were analyzed. Results The content of vitamin A in children with severe pneumonia was significantly lower than that in control group. The vitamin A content in recovery period was increased. Conclusions There is subclinical vitamin A deficiency in pneumonia. Inflammation increases vitamin A consumption.