Document Detail

Postprandial changes of electrical activity of the stomach after different meals.
MedLine Citation:
PMID:  9846366     Owner:  NLM     Status:  MEDLINE    
AIM: The aim of the study was to investigate the response of the electrical activity of the stomach (electrogastrogram, EGG) to meals, different with respect to consistency, nutrient and caloric composition. METHODS: EGG was recorded in ten healthy volunteers for 30 min before and 45 min after a meal. All subjects received three different meals: A standard 500 kcal solid, a 500 cc isocaloric liquid diet of identical composition (55% carbohydrates, 15% protein, 30% fat) or 500 cc water. Data were analyzed off-line for postprandial changes. RESULTS: Water as well as liquid diet induced a significant postprandial decrease, while solid food induced a slight initial decrease and a subsequent marked increase of the dominant frequency above the fasting level. The response to the solid meal was significantly different from both tap water and liquid diet, but there was no difference between liquid diet and water. All meals significantly increased the signal power with a more sustained effect over time for the liquid diet and water than the solid meal. CONCLUSION: EGG changes seem to be more dependent on the consistency than the caloric and nutrient composition. Because of the dissociation between the timing of EGG changes and the known emptying kinetics, EGG changes seem to reflect other gastric functions rather than being associated with gastric emptying.
R Kuhlbusch; P Zacchi-Deutschbein; T Frieling; H J Lübke; P Enck
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Zeitschrift für Gastroenterologie     Volume:  36     ISSN:  0044-2771     ISO Abbreviation:  Z Gastroenterol     Publication Date:  1998 Oct 
Date Detail:
Created Date:  1999-02-12     Completed Date:  1999-02-12     Revised Date:  2009-11-11    
Medline Journal Info:
Nlm Unique ID:  0033370     Medline TA:  Z Gastroenterol     Country:  GERMANY    
Other Details:
Languages:  eng     Pagination:  885-6, 889-91     Citation Subset:  IM    
Heinrich Heine University Hospitals, Dept. of Gastroenterology, Düsseldorf, Germany.
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MeSH Terms
Electromyography / instrumentation*
Energy Intake / physiology
Fasting / physiology
Food, Formulated
Gastric Emptying / physiology*
Muscle, Smooth / physiology*
Postprandial Period / physiology*
Signal Processing, Computer-Assisted / instrumentation*
Stomach / physiopathology

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