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目的：建立一种实时超声标准以评价人体胃液体排空情况的方法，并采用这些标准去诊断非溃疡性消化不良（ＮＵＤ）患者。材料与方法：在５０名健康者和５０名ＮＵＤ患者饮用３７℃温水５００ｍｌ后，每隔１０分钟获取一次胃底－体部饱满度（ＦＢ），直到餐后５０分钟时为止。结果：尽管许多ＮＵＤ患者与健康者相比存在明显的胃排空延迟，但并非所有的ＮＵＤ患者都如此。结论：所有男性受试者的判别点为ＦＢ＝２８．４５％，所有女性受试者的判别点为ＦＢ＝２９．８８％；其诊断错误率分别为３０．５６％、２６．５６％。
OBJECTIVE: To establish a real-time ultrasound standard to assess human gastric fluid emptying methods and to use these criteria to diagnose patients with non-ulcerative dyspepsia (NUD). MATERIALS AND METHODS: After drinking 500ml of warm water at 37 ℃ for 50 healthy persons and 50 NUD patients, the gastric fullness (FB) was obtained every 10 minutes until 50 minutes after meal. RESULTS: Although many patients with NUD had a significant delayed gastric emptying compared with healthy subjects, not all NUD patients did. CONCLUSION: The discriminant point of all male subjects is FB = 28.45%. The discriminant point of all female subjects is FB = 29.88%. The diagnostic error rates are 30.56% and 26.56% respectively.