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Table of Contents
Vol. 68, No. 4, 2003
Issue release date: 2003
Section title: Original Paper: Motility
Digestion 2003;68:178–183
(DOI:10.1159/000075554)

Abnormal Colonic Propagated Activity in Patients with Slow Transit Constipation and Constipation-Predominant Irritable Bowel Syndrome

Bassotti G. · Chistolini F. · Marinozzi G. · Morelli A.
Gastroenterology and Hepatology Section, Department of Clinical and Experimental Medicine, University of Perugia, Perugia, Italy

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Article / Publication Details

First-Page Preview
Abstract of Original Paper: Motility

Received: June 05, 2003
Accepted: October 06, 2003
Published online: February 27, 2004
Issue release date: 2003

Number of Print Pages: 6
Number of Figures: 2
Number of Tables: 0

ISSN: 0012-2823 (Print)
eISSN: 1421-9867 (Online)

For additional information: http://www.karger.com/DIG

Abstract

Background: The pathophysiological basis of constipation is still unclear, and the role of colonic dysfunction is debated, especially in irritable bowel syndrome. Objective data are quite scarce, especially concerning colonic propulsive activity. Aims: To evaluate high- and low-amplitude colonic propulsive activity in constipated patients (slow-transit type and irritable bowel syndrome) in comparison with normal controls. Patients and Methods: Forty-five constipated patients (35 with slow-transit constipation and 10 with constipation-predominant irritable bowel syndrome) were recruited, and their data compared to those of 18 healthy subjects. Twenty-four-hour colonic manometric recordings were obtained in the three groups of subjects, and data concerning high- and low-amplitude colonic propulsive activity were then compared. Results: High-amplitude propagated contractions were significantly (p < 0.05) decreased in patients with slow-transit constipation and constipation-predominant irritable bowel syndrome with respect to controls (1.5 ± 0.4, 3.7 ± 2, and 6 ± 1 events/subject/day, respectively). In slow-transit constipation, a significant decrease of contractions’ amplitude was also observed. Concerning low-amplitude propagated contractions, patients with slow-transit constipation had significantly less events with respect to patients with constipation-predominant irritable bowel syndrome (46 ± 7 vs. 87.4 ± 19, p = 0.015); no differences were found between patients with slow-transit constipation and controls and between patients with constipation-predominant irritable bowel syndrome and controls. All three groups displayed a significant increase of low-amplitude propagated contractions after meals (6.3 ± 2 vs. 18.2 ± 5 for controls, p < 0.005; 6.4 ± 1.4 vs. 16.3 ± 2.4 for slow-transit constipation, p < 0.005; 10.5 ± 3.2 vs. 32.6 ± 7 for constipation-predominant irritable bowel syndrome, p = 0.001). Conclusions: Low-amplitude propagated contractions may represent an important physiologic motor event in constipated patients, reducing the severity of constipation in patients with irritable bowel syndrome and preserving a residual colonic propulsive activity in patients with slow-transit constipation.

© 2003 S. Karger AG, Basel


Article / Publication Details

First-Page Preview
Abstract of Original Paper: Motility

Received: June 05, 2003
Accepted: October 06, 2003
Published online: February 27, 2004
Issue release date: 2003

Number of Print Pages: 6
Number of Figures: 2
Number of Tables: 0

ISSN: 0012-2823 (Print)
eISSN: 1421-9867 (Online)

For additional information: http://www.karger.com/DIG


Copyright / Drug Dosage / Disclaimer

Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher or, in the case of photocopying, direct payment of a specified fee to the Copyright Clearance Center.
Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug.
Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.