| Cardiovascular compression of the esophagus and spread of gastro-esophageal reflux. | |
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MedLine Citation:
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PMID: 20939848 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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BACKGROUND: Factors that determine the spread of gastro-esophageal reflux (GER) along the length of the esophagus are not known. We investigated if cardiovascular (CV) compressions on the esophagus may determine the spread of refluxate into the proximal esophagus. METHODS: High-resolution manometry (HRM) and multi-channel intra-luminal impedance recording (MIIR) were performed simultaneously in 10 normal subjects in the recumbent and upright positions. Pulsatile pressure increases on the esophagus (marker of CV compression) were identified on the HRM. Spread of refluxate into the esophagus was determined by the MIIR. KEY RESULTS: Cardiovascular compression zones were observed in the esophagus in 9 out of 10 subjects in recumbent position. Forty percent of GER episodes were limited to the distal esophagus in the recumbent position and CV compression pressure was greater than distal esophageal pressure at the time of GER in all such cases. On the other hand, distal esophageal pressure was greater than CV compression pressure when the refluxate extended into the proximal esophagus. In the upright position, CV compression was less frequent than recumbent position and only 12% of GER episodes were limited to the distal esophagus. CONCLUSIONS & INFERENCES: Cardiovascular compression of the esophagus is frequently observed in normal healthy subject and restricts the spread of refluxate into the proximal esophagus. |
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Authors:
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A Babaei; R K Mittal |
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Publication Detail:
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Type: Journal Article; Research Support, N.I.H., Extramural Date: 2010-10-01 |
Journal Detail:
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Title: Neurogastroenterology and motility : the official journal of the European Gastrointestinal Motility Society Volume: 23 ISSN: 1365-2982 ISO Abbreviation: Neurogastroenterol. Motil. Publication Date: 2011 Jan |
Date Detail:
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Created Date: 2010-12-08 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9432572 Medline TA: Neurogastroenterol Motil Country: England |
Other Details:
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Languages: eng Pagination: 45-51, e3 Citation Subset: IM |
Copyright Information:
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© 2010 Blackwell Publishing Ltd. |
Affiliation:
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Division of Gastroenterology, Medical College of Wisconsin, Milwaukee, WI, USA. |
Export Citation:
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Descriptor/Qualifier:
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| Grant Support | |
ID/Acronym/Agency:
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R01-DK060733/DK/NIDDK NIH HHS |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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