Document Detail

Small bowel transit time of food in man: measurement, regulation and possible importance.
MedLine Citation:
PMID:  6591384     Owner:  NLM     Status:  MEDLINE    
Studies on the relevance of scintigraphy and breath hydrogen analysis to the measurement of small bowel transit time are outlined. The main dietary factor influencing small bowel transit time appears to be the level of unabsorbable carbohydrate. The rates of gastric emptying and small bowel transit seem to be largely independent of one another. A weak correlation exists between the time for 50% of a meal to enter the caecum and the contraction frequency of the upper jejunum. Unabsorbed food in the ileum may increase the period over which material remains in the small intestine. Absorption cannot be predicted from a knowledge of transit kinetics alone. Diarrhoea may arise if rapid small bowel transit causes unduly rapid entry of fluid into the colon. In the irritable bowel syndrome, accelerated small bowel transit occurs in patients with diarrhoea.
N W Read
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Scandinavian journal of gastroenterology. Supplement     Volume:  96     ISSN:  0085-5928     ISO Abbreviation:  Scand. J. Gastroenterol. Suppl.     Publication Date:  1984  
Date Detail:
Created Date:  1984-10-02     Completed Date:  1984-10-02     Revised Date:  2008-02-13    
Medline Journal Info:
Nlm Unique ID:  0437034     Medline TA:  Scand J Gastroenterol Suppl     Country:  NORWAY    
Other Details:
Languages:  eng     Pagination:  77-85     Citation Subset:  IM    
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MeSH Terms
Biological Transport, Active
Breath Tests
Carbohydrate Metabolism
Colon / microbiology,  physiology,  radionuclide imaging
Colonic Diseases, Functional / physiopathology
Gastric Emptying
Ileum / physiology
Intestinal Absorption
Intestine, Small / physiology*
Jejunum / physiology
Reg. No./Substance:

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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