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６０例经Ｘ线检查确诊为滑动型食管裂孔疝病人作胃镜观察食管－胃连接部的改变。另３４例为对照组。经统计学处理发现：①所有食管裂孔疝患者齿状线均有上移，６８％病人上移≥２ｃｍ；②食管末端生理弯曲和狭窄处改变在两组间有显著性差异（Ｐ＜０．０１）；③食管裂孔疝患者的贲门切迹呈波浪样上翻改变且易识别；④９例患者在膈上见有明显疝囊。上述４点作者认为可作为食管裂孔疝的内镜诊断标准。
60 cases of X-ray examination confirmed sliding esophageal hiatal hernia patients as endoscopy observation esophageal - gastric junction changes. The other 34 cases as control group. The results showed that: ①The dentate line of all patients with esophageal hiatal hernia was moved up, 68% of the patients were displaced ≥2 cm; ② The changes of the end of the esophagus and the stenosis were significantly different between the two groups (P <0. 01); ③ esophageal hiatus in patients with cardial notch showed wave-like upside down change and easy to identify; ④ 9 patients seen in the diaphragm had obvious hernia sac. The above four points that the author can be used as endoscopic diagnosis of hiatal hernia standard.