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[目的]研究不同直径鼻胃管插管与胃食管返流症(GER)的关系。[方法]将68名患者随机分别用两种不同管径的胃管(A组:内径2.85mm,B组:内径6mm),分别在餐后1h和2h用B超检查有无GER发生。[结果]胃管管径的大小与GER的发生无关。[结论]不提倡应用小内径的胃管来预防GER的发生。
[Objective] To study the relationship between different diameter nasogastric intubation and gastroesophageal reflux disease (GER). [Method] Sixty - eight patients were randomly divided into two groups: gastric tube with different diameters (group A: 2.85mm in diameter and group B: 6mm in inner diameter), with or without GER at 1h and 2h after meal respectively. [Results] The size of gastric tube diameter had nothing to do with the occurrence of GER. [Conclusion] The small diameter gastric tube is not advocated to prevent the occurrence of GER.