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目的：分析便秘的病因并评价结肠运输试验与排粪造影对便秘诊断的价值。材料与方法：对１００例便秘患者作结肠运输试验及排粪造影。结果：结肠运输异常者４３例，出口梗阻者９６例，两种均存在者占４２例。４２例中，外科单纯纠正出口梗阻３１例，术后随访发现１５例症状无明显改善且复查排粪造影均表现正常。结论：由于出口梗阻与结肠无力常合并存在并相互作用。作者强调：结肠运输试验与排粪造影联合应用将有助于作出正确、全面的诊断和制定恰当的治疗方案
Objective: To analyze the etiology of constipation and evaluate the value of colon transport test and defecography in the diagnosis of constipation. MATERIALS AND METHODS: Colonic transit tests and defecography were performed on 100 patients with constipation. Results: 43 cases of abnormal colon transport, outlet obstruction in 96 cases, both were present in 42 cases. Among the 42 cases, 31 cases of outlet obstruction were corrected by surgery, and 15 cases showed no significant improvement after operation and the defecography was normal. CONCLUSIONS: Because outlet obstruction and colonic weakness often coexist and interact. The authors emphasize that combined use of colon transport testing and defecography will help to make correct and comprehensive diagnoses and to develop appropriate treatment options