| Abdomino-phrenic dyssynergia in patients with abdominal bloating and distension. | |
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MedLine Citation:
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PMID: 21540894 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVES: The abdomen normally accommodates intra-abdominal volume increments. Patients complaining of abdominal distension exhibit abnormal accommodation of colonic gas loads (defective contraction and excessive protrusion of the anterior wall). However, abdominal imaging demonstrated diaphragmatic descent during spontaneous episodes of bloating in patients with functional gut disorders. We aimed to establish the role of the diaphragm in abdominal distension. METHODS: In 20 patients complaining of abdominal bloating and 15 healthy subjects, we increased the volume of the abdominal cavity with a colonic gas load, while measuring abdominal girth and electromyographic activity of the anterior abdominal muscles and of the diaphragm. RESULTS: In healthy subjects, the colonic gas load increased girth, relaxed the diaphragm, and increased anterior wall tone. With the same gas load, patients developed significantly more abdominal distension; this was associated with paradoxical contraction of the diaphragm and relaxation of the internal oblique muscle. CONCLUSIONS: In this experimental provocation model, abnormal accommodation of the diaphragm is involved in abdominal distension. |
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Authors:
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Albert Villoria; Fernando Azpiroz; Emanuel Burri; Daniel Cisternas; Alfredo Soldevilla; Juan-R Malagelada |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: The American journal of gastroenterology Volume: 106 ISSN: 1572-0241 ISO Abbreviation: Am. J. Gastroenterol. Publication Date: 2011 May |
Date Detail:
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Created Date: 2011-05-04 Completed Date: 2011-06-28 Revised Date: 2011-08-30 |
Medline Journal Info:
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Nlm Unique ID: 0421030 Medline TA: Am J Gastroenterol Country: United States |
Other Details:
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Languages: eng Pagination: 815-9 Citation Subset: IM |
Affiliation:
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Digestive System Research Unit, University Hospital Vall d'Hebron, Barcelona, Spain. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Abdomen
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physiopathology Abdominal Wall / physiopathology* Adult Colon / physiopathology* Female Flatulence / physiopathology* Gases* Humans Irritable Bowel Syndrome / physiopathology Male Middle Aged Posture |
| Chemical | |
Reg. No./Substance:
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0/Gases |
| Comments/Corrections | |
Erratum In:
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Am J Gastroenterol. 2011 Jul;106(7):1405 |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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