Document Detail


The impact of reflux composition on mucosal injury and esophageal function.
MedLine Citation:
PMID:  16769534     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The components of refluxed gastric juice are known to cause mucosal injury, but their effect on esophageal function is less appreciated. Our aim was to determine the effect of acid and/or bile on mucosal injury and esophageal function. From 1993-2004, 402 patients with reflux symptoms had 24-hour pH and Bilitec monitoring, manometry, and endoscopy with biopsies. Mucosal injury (esophagitis or Barrett's esophagus) and esophageal function (lower esophageal sphincter [LES] characteristics and body contractility) in patients with acid reflux, bile reflux, or both were compared with patients without reflux. Reflux was present in 273/402 patients; of these, 37 (13.5%) had increased exposure to bile, 82 (30.0%) had increased exposure to acid, and 154 (56.4%) had increased exposure to both. Mucosal injury was most common with increased mixed acid and bile exposure, followed by acid alone, and was uncommon with bile alone (P < 0.0001). Functional deterioration paralleled mucosal injury (P < 0.0001). Mixed acid and bile exposure was present in more than half of patients with reflux and was associated with the most severe mucosal injury and the greatest deterioration of esophageal function. This suggests that composition of gastric juice is the primary determinant of inflammatory mucosal injury and subsequent loss of esophageal function.
Authors:
Daniel S Oh; Jeffrey A Hagen; Martin Fein; Cedric G Bremner; Christy M Dunst; Steven R Demeester; John Lipham; Tom R Demeester
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of gastrointestinal surgery : official journal of the Society for Surgery of the Alimentary Tract     Volume:  10     ISSN:  1091-255X     ISO Abbreviation:  J. Gastrointest. Surg.     Publication Date:  2006 Jun 
Date Detail:
Created Date:  2006-06-13     Completed Date:  2006-11-14     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9706084     Medline TA:  J Gastrointest Surg     Country:  United States    
Other Details:
Languages:  eng     Pagination:  787-96; discussion 796-7     Citation Subset:  IM    
Affiliation:
Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, California 90033, USA.
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MeSH Terms
Descriptor/Qualifier:
Adult
Endoscopy, Gastrointestinal
Esophageal Diseases / etiology
Esophagus / physiopathology*
Female
Gastric Juice / chemistry*
Gastroesophageal Reflux / complications,  physiopathology,  surgery*
Humans
Hydrogen-Ion Concentration
Male
Manometry
Middle Aged
Monitoring, Ambulatory
Mucous Membrane / pathology*

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


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