Document Detail


The role of acid and duodenal gastroesophageal reflux in symptomatic GERD.
MedLine Citation:
PMID:  11467629     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: Mixed reflux of acid and duodenal contents frequently occurs in patients with gastroesophageal reflux disease (GERD). The aim of this study was to establish the contribution of acid and duodenal gastroesophageal reflux (DGER) to symptoms in patients with presumed GERD. METHODS: A total of 72 patients (37 women), mean age 45 yr (+/-2 yr), underwent 24-h ambulatory pH and Bilitec monitoring. Patients pressed a marker button when experiencing typical symptoms. For each symptom episode, minimal pH and maximal bilirubin optical density in a 2- or 4-min interval were calculated. For each patient, the symptom index (SI) and symptom-association probability for acid and for bile reflux were determined. RESULTS: A total of 544 symptom episodes were identified. Using a 2-min interval, 28% were associated with acid reflux, 9% with DGER, and 12% with mixed reflux. No significant difference was found when a 4-min interval was used. A positive SI for acid reflux was present in 21% of the patients and for DGER in 14%. All patients with a positive SI for DGER had also a positive SI for acid reflux. A positive symptom-association probability for acid reflux was present in 22% of the patients, for DGER in 7% of the patients, and for mixed reflux in 10% of the patients. CONCLUSIONS: Symptom episodes in patients with presumed GERD are more related to acid reflux than to DGER. DGER does not play a major role in producing typical esophageal symptoms.
Authors:
G H Koek; J Tack; D Sifrim; T Lerut; J Janssens
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The American journal of gastroenterology     Volume:  96     ISSN:  0002-9270     ISO Abbreviation:  Am. J. Gastroenterol.     Publication Date:  2001 Jul 
Date Detail:
Created Date:  2001-07-24     Completed Date:  2001-08-30     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0421030     Medline TA:  Am J Gastroenterol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  2033-40     Citation Subset:  IM    
Affiliation:
Center for Gastroenterological Research, University Hospital Gasthuisberg, Leuven, Belgium.
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MeSH Terms
Descriptor/Qualifier:
Bilirubin / analysis
Duodenogastric Reflux / complications*
Esophagoscopy
Esophagus / chemistry
Female
Gastric Acid / physiology*
Gastroesophageal Reflux / etiology*
Humans
Hydrogen-Ion Concentration
Male
Middle Aged
Time Factors
Chemical
Reg. No./Substance:
635-65-4/Bilirubin

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


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