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采用胃、食管双ｐＨ电极对２１例１～１２个月小儿进行２４ｈｐＨ值监测。７例无返流小儿为对照组，１４例有返流的小儿中９例为酸性返流（６４％），５例（３６％）为碱性返流即十二指肠胃食管返流（其中４例合并酸性返流）。碱性返流可引起严重的食管病变。传统的单一食管下端ｐＨ监测难以作出准确诊断，增加胃底ｐＨ监测为准确判定返流，特别是十二指肠胃食管返流提供重要根据，对于提高胃食管返流诊断率和指导临床对不同类型的返流进行有效治疗具有重要意义。
Gastric and esophageal double pH electrodes were used to monitor the 24hpH value of 21 children aged 1 to 12 months. Of the 7 children without reflux, 9 were reflux disease (64%), and 5 (36%) were alkaline reflux, duodenal gastroesophageal reflux 4 cases with acid reflux). Alkaline reflux can cause serious esophageal disease. Traditional single esophageal pH monitoring is difficult to make an accurate diagnosis of increased gastric fundus pH monitoring to accurately determine the reflux, especially for duodenal gastroesophageal reflux provides an important basis for improving the diagnostic rate of gastroesophageal reflux and guide clinical different types Regurgitation for effective treatment is of great significance.