Document Detail


Migrating motor complex cycle duration is determined by gastric or duodenal origin of phase III.
MedLine Citation:
PMID:  9843759     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The migrating motor complex (MMC) shows large variations within an individual and between individuals. This study aimed to investigate, with respect to this variability, the importance of gastric or duodenal origin of phase III activity. Interdigestive 6- to 10-h stationary antroduodenal motility recordings of 19 healthy male subjects were analyzed for MMC cycle durations and duration of phases I, II, and III, all with respect to the place of origin of each phase III. Data are given for the duodenal recording site as means +/- SE. Mean MMC cycle duration was 117.3 +/- 13.9 min, regardless of the place of origin of phase III. Seventy-two phase III cycles were observed in total, 35 and 37 starting in the "antrum" and duodenum, respectively. After a phase III of "antral" origin, MMC cycle duration was 156.1 +/- 11.0 min, significantly longer than MMC cycle duration following a phase III of duodenal origin, 80.5 +/- 10.7 min (P < 0.001). Phase III duration was longer when of "antral" origin than when starting in the duodenum (7.6 +/- 0.4 and 5.3 +/- 0.4 min, respectively; P < 0.001). MMC cycle duration and duration of phases I, II, and III depend on the place of origin of phase III ("antral" or duodenal) and on the origin of the preceding phase III. This factor explains part of the MMC variability observed within individuals. Mean MMC cycle duration in healthy subjects or patients should therefore also include information on the origin of phase III.
Authors:
Y C Luiking; A C van der Reijden; G P van Berge Henegouwen; L M Akkermans
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  The American journal of physiology     Volume:  275     ISSN:  0002-9513     ISO Abbreviation:  Am. J. Physiol.     Publication Date:  1998 Dec 
Date Detail:
Created Date:  1999-02-03     Completed Date:  1999-02-03     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0370511     Medline TA:  Am J Physiol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  G1246-51     Citation Subset:  IM    
Affiliation:
Department of Surgery, University Hospital Utrecht, 3584 CX Utrecht, The Netherlands.
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MeSH Terms
Descriptor/Qualifier:
Adult
Duodenum / physiology*
Humans
Male
Manometry
Myoelectric Complex, Migrating / physiology*
Stomach / physiology*
Time Factors

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