目的：探讨结肠运输试验在慢性功能性便秘诊断及分型中的价值。
Objective: To study the value of colonic transit study in diagnosis and classfication of chronic functional constipation.
结果：慢性功能性便秘患者组全肠道通过时间和结肠分段通过时间均显著高于非便秘患者组（p<0.01）；
Result The total and segmental CTT were significantly longer in the patients with constipation than normal person (P<0.01).
目的了解国人结肠转运时间的正常值，并探讨西沙必利对慢性功能性便秘患者的结肠转运时间(CTT)的作用。
Objective To investigate colonic transit time (CTT) in normal subjects and evaluate the effect of cisapride on CTT on chronic functional constipation.
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