实时超声法研究正常男女胃液体排空功能

Real Time Ultrascopic Study on Liquid Evacuation Ability of Stomach in 50 Healthy Individuals

采用实时超声法研究了５０例成年正常男女胃液体排空。发现：其排空率随餐后时间的延长而下降，且胃底体部的变化较胃窦显著。在餐后３０ｍｉｎ内，男性受试者的胃底体部的排空率大于女性。只发现女性受试者胃底体部和胃窦的宽径与年龄呈负相关。分别拟合男女性胃底体部随餐后时间变化的数学模型。

Gastric emptying of 500 mL warm water (37 ℃) was studied by real time ultrasonography in 50 healthy volunteers. The emptying rate was found to be decreased with the time after meal. The change of upper gastric body(USB) is more visible than that of gastric antrum(GA). The emptying rate of USB in male was higher than in female during the first 30 minutes after meal. A negative correlation between the age and the width of USB and GA existed only female. Two mathematical models were developed to describe respectively the USB decrease after meal in both sexes.