Document Detail

Multichannel electrogastrography under a magnifying glass--an in-depth study on reproducibility of fed state electrogastrograms.
MedLine Citation:
PMID:  18298438     Owner:  NLM     Status:  MEDLINE    
We checked on reproducibility of parameters of a multichannel electrogastrogram in adults after intake of typical, applied in electrogastrography, test meals. Recordings of multichannel electrogastrograms were accomplished in four blocks comprising 18 subjects (nine healthy volunteers and nine patients with functional GI disorders) each. Every subject had two examinations taken 1-2 days apart, and a third one was accomplished at least 2 weeks before or after the two other sessions. The registration involved a 30-min fasted and a 2-h postprandial period after one of the meal stimuli tested within a given block: 400 mL water, 400 g yoghurt (378 kcal), a scrambled eggs sandwich (370 kcal), a pancake (355 kcal). From among the parameters reflecting the propagation of the gastric slow waves, the average percentage of slow wave coupling (APSWC) exhibited a good (coefficient of variation for paired examinations CV(p) < or = 10%) to moderate (10 < CV(p) < or = 30%) reproducibility. On the other hand, the reproducibility of the maximum dominant frequency difference and the spatial dominant power difference was found to be unsatisfactory. The reproducibility of the multichannel electrogastrographic parameters did not differ between healthy volunteers and patients with functional GI disorders. Gender or the kind of a test meal did not affect the reproducibility of the electrogastrographic parameters either. The medium-term reproducibility was not any worse than the short-term one. From among the parameters of a multichannel electrogastrogram intended to quantify the propagation of slow waves, only the APSWC offers a reproducibility potentially good enough for clinical applications.
B Krusiec-Swidergoł; K Jonderko
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't; Validation Studies     Date:  2008-02-19
Journal Detail:
Title:  Neurogastroenterology and motility : the official journal of the European Gastrointestinal Motility Society     Volume:  20     ISSN:  1365-2982     ISO Abbreviation:  Neurogastroenterol. Motil.     Publication Date:  2008 Jun 
Date Detail:
Created Date:  2008-05-16     Completed Date:  2008-10-13     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9432572     Medline TA:  Neurogastroenterol Motil     Country:  England    
Other Details:
Languages:  eng     Pagination:  625-34     Citation Subset:  IM    
Department of Basic Biomedical Science, School of Pharmacy, Medical University of Silesia, Sosnowiec, Poland.
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MeSH Terms
Digestive System Diseases / diagnosis,  physiopathology
Electromyography / methods,  standards
Electrophysiology / instrumentation,  methods*,  standards*
Feeding Behavior / physiology*
Gastric Emptying / physiology
Gastrointestinal Motility / physiology*
Prospective Studies

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

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