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目的 探讨小儿反复呼吸道感染（ＲＲＩ）与胃食管返流（ＧＥＲ） 的关系。方法 采用便携式ｐＨ 自动记录仪对３５ 例反复呼吸道感染患儿进行２４ 小时食管ｐＨ 值监测，以３０ 例健康儿为对照组。结果 ＲＲＩ组ｐＨ 值＜ ４的检出次数、返流持续时间≥５ 分钟的检出次数、最长返流持续时间、总ｐＨ＜４ 的时间占总监测时间的百分率、Ｂｏｉｘ－ Ｏｃｈｏａ 综合评分均显著大于对照组（ Ｐ＜ ０－０１） ，ＲＲＩ组胃食管返流发生率为５７－１ ％ （２０／３５），显著高于对照组（１／３０）。结论 ＲＲＩ患儿胃食管返流的发生率高，两者之间有密切关系。
Objective To investigate the relationship between recurrent respiratory tract infection (RRI) and gastroesophageal reflux (GER) in children. Methods Twenty-five hours of esophageal pH monitoring was performed in 35 children with recurrent respiratory tract infections using a portable pH automatic logger. Thirty healthy children served as the control group. Results In the RRI group, the number of times of detection of pH <4, the number of times of refluxing for more than 5 minutes, the duration of the longest reflux, the time of total pH <4 in the total monitoring time, the Boix-Ochoa comprehensive score (P <0-01). The incidence of gastroesophageal reflux in the RRI group was 57-1% (20/35), which was significantly higher than that in the control group (1/30). Conclusion The incidence of gastroesophageal reflux in children with RRI is high, and there is a close relationship between them.