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[结肠传输时间的测量在功能性便秘评估中有用]

[Measurement of colon transit time useful in the evaluation of functional constipation].

作者信息

Mollen R M, Claassen A T, Kuijpers J H

机构信息

Academisch Ziekenhuis, Afd. Heelkunde, Nijmegen.

出版信息

Ned Tijdschr Geneeskd. 1998 Feb 14;142(7):357-61.

PMID:9562742
Abstract

OBJECTIVE

To determine the colon transit time (CTT) in patients complaining of functional constipation and the correlation between abnormal transit times and the types of constipation and of the symptoms.

DESIGN

Retrospective, descriptive.

SETTING

Department of Surgery, University Hospital, Nijmegen, the Netherlands.

METHOD

The signs and symptoms of 112 patients with infrequent or difficult defaecation, 93 (83%) of them women, with a median age of 42 years (range: 16-72), were recorded by means of a questionnaire. After ingestion of radiopaque markers per day for 10 days, an abdominal survey X-ray was made on day 11. The numbers of markers in the X-ray and per segment (right and left hemicolon and rectosigmoid) were counted; the CTT in hours was calculated by multiplying this number by 2.4. Slowness was defined as more than 45 h for the total CTT and as more than 15 h for the segmental CTT.

RESULTS

The total CTT was normal in 33 patients (29%) and prolonged in 79 (71%). The CTT was prolonged only in the rectosigmoid in 14 patients with a normal CTT (42%) and in 50 patients with a prolonged total CTT (63%). Of the patients with a normal total CTT, 13 (39%) had a normal segmental CTT. No statistically significant correlation could be demonstrated between the presence of any symptom and a prolonged CTT.

CONCLUSION

Functional constipation may be associated with a normal CTT. Disorders of colonic motility and of rectal evacuation could be distinguished by measuring the total and the segmental colonic transit times.

摘要

目的

确定主诉功能性便秘患者的结肠传输时间(CTT),以及传输时间异常与便秘类型和症状之间的相关性。

设计

回顾性、描述性研究。

地点

荷兰奈梅亨大学医院外科。

方法

通过问卷调查记录112例排便次数少或排便困难患者的体征和症状,其中93例(83%)为女性,中位年龄42岁(范围:16 - 72岁)。每天摄入不透X线标志物,持续10天,于第11天进行腹部X线检查。计算X线片中及各段(右半结肠、左半结肠和直肠乙状结肠)的标志物数量;CTT(小时)通过该数量乘以2.4计算得出。传输缓慢定义为总CTT超过45小时,节段性CTT超过15小时。

结果

33例患者(29%)的总CTT正常,79例(71%)延长。14例总CTT正常的患者(42%)和50例总CTT延长的患者(63%)仅直肠乙状结肠段CTT延长。总CTT正常的患者中,13例(39%)节段性CTT正常。未发现任何症状与CTT延长之间存在统计学显著相关性。

结论

功能性便秘可能与正常CTT有关。通过测量总结肠传输时间和节段性结肠传输时间可区分结肠动力障碍和直肠排空障碍。

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