本实验采用新生猪仔制成膈食管韧带切开、食管裂孔开大、胃壁部分浆肌层切除、幽门十二指肠不全梗阻四组模型 ,通过Ｘ线钡餐透视、食管测压、ｐＨ监测、病理组织学研究等手段 ,对机械性胃功能障碍与胃食管反流 (ｇａｓｔｒｏｅｓｏｐｈａｇｅａｌｒｅｆｌｕｘ ,ＧＥＲ)的关系及 In this study, four groups of models of diaphragmatic esophageal ligament incision, esophageal hiatus opening, partial myometrial resection and pyloric insufficiency obstruction were made in this experiment. X-ray barium meal, esophageal manometry, pH monitoring, Histopathological studies and other means, the relationship between mechanical gastric dysfunction and gastroesophageal reflux (GER) and