Objective: To clarify the effect, advantages and clinical value of gastrointestinal function testing markers for determination of the effect of gastric bowel function. Methods: 30 healthy individuals and 50 costive patient were given 10 grains of markers. Then abdominal X-ray examination was performed until the markers completely discharge so far. Results: Compared with healthy individuals, costive patient had the markers in colorectal tract significantly longer (P＜0.01). However, there was no significant difference between the 2 groups in staying time of the marker in the stomach and small intestine (P＞0.05). Conclusion: The use of gastrointestinal function checking markers has the advantages of clear images, accurate localization, reliable results. Therefore, it can be used to provide accurate data in costive patients.%目的:阐述胃肠功能检查标记物用于胃肠功能检查的效果、优势及临床意义.方法:30例健康人和50例便秘病人一次吞服10粒标记物后行腹部X线检查,直至标记物完全排出为止.结果:与健康人相比,便秘病人标记物在结、直肠内存留时间明显长于健康人,(P<0.01).而在胃、小肠存留的时间虽然有所延长,但差异无统计学意义,(P>0.05).结论:胃肠功能检查标记物用于胃肠功能检查图像清晰,定位准确,结果可靠,具有功能和形态兼顾,不仅能准确反映药物在消化道内运行时间,而且可以观察药物的崩解、消化过程,能为便秘分型提供准确数据.
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