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目的探讨十二指肠溃疡(DU)和功能性消化不良(FD)患者胃排空及血浆胃泌素和胃动素的变化规律.方法DU患者17例(男16例,女1例,年龄435岁±99岁),FD患者22例(男17例,女5例,年龄465岁±130岁)为研究对象,健康志愿者17例(男9例,女8例,年龄458岁±143岁)为对照组.应用双同位素标记试餐SPECT法检测的液体和固体食物胃排空及其胃内分布,并以RIA法检测基础及餐后血浆胃泌素和胃动素水平变化.结果591%FD患者和706%DU患者的固体半排空时间延长,这两个病例组的固体胃排空变化相似,均表现为迟滞相消失,初始排空较快,继后的排空变慢,半排空时间延长(FD组102min±36min,DU组95min±27min,对照组70min±16min,P均<005);2组均未见胃排空加速者.DU组基础及餐后胃动素水平(pmol/L,基础288±75,餐后340±99)高于FD组(基础168±69,餐后209±82,P<005)和对照组(基础124±38,餐后169±39,P均<005);FD组的餐后胃泌素水平(pmol/L,餐后32±14,P<001),高于DU组(餐后2?
Objective To investigate the changes of gastric emptying and plasma gastrin and motilin in patients with duodenal ulcer (DU) and functional dyspepsia (FD). Methods A total of 17 DU patients (16 males and 1 female, aged 43.5 ± 9.9 years) and 22 FD patients (17 males and 5 females, age 46.5 ± 13.0 years) For the study, 17 healthy volunteers (9 males and 8 females, aged 45.8 ± 14.3 years) served as the control group. The gastric emptying and intragastric distribution of liquid and solid foods detected by double isotope labeled test meal SPECT were measured. The basal and postprandial levels of plasma gastrin and motilin were measured by RIA. Results In 59.1% of FD patients and 70.6% of DU patients, the solid half-emptying time was prolonged. The changes of solid gastric emptying in both groups were similar, which showed that the lag phase disappeared and the initial emptying was rapid. (FD group, 102min ± 36min, DU group, 95min ± 27min, control group, 70min ± 16min, P <005). There was no acceleration of gastric emptying in the two groups. The levels of basal and postprandial motilin in the DU group (basal 288 ± 75, postprandial 340 ± 99) were significantly higher than those in the FD group (basal 168 ± 69, postprandial 209 ± 82, P <005) Group (basal 124 ± 38, postprandial 169 ± 39, P <005); postprandial gastrin level (pmol / L, postprandial 32 ± 14, P <001) in FD group was higher than DU group (postprandial 2?