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Mechanisms affecting lower oesophageal sphincter opening and oesophageal retention: A combined X-ray and manometry study
Linköping University, Department of Biomedical Engineering, Physiological Measurements. Linköping University, The Institute of Technology.
Linköping University, Department of Neuroscience and Locomotion, Oto-Rhiono-Laryngology and Head & Neck Surgery. Linköping University, Faculty of Health Sciences.
1978 (English)In: Scandinavian Journal of Gastroenterology, ISSN 0036-5521, Vol. 13, no 7, 857-861 p.Article in journal (Refereed) Published
Abstract [en]

Using simultaneous manometry and cineradiography, oesophageal evacuation was studied while contrast medium was infused via a catheter. The distal half of the oesophagus could be filled with contrast medium without triggering peristalsis. The hydrostatic pressure necessary to open the lower oesophageal sphincter (LES) was of approximately the same magnitude as the pressure gradient between oesophagus and LES. No significant relaxation of the LES could be observed at the initiation of swallowing. The LES may be looked upon not only as a sphincter preventing reflux but also as a gate which must be forced open by food.

Place, publisher, year, edition, pages
1978. Vol. 13, no 7, 857-861 p.
National Category
Medical and Health Sciences Biomedical Laboratory Science/Technology
URN: urn:nbn:se:liu:diva-56417PubMedID: 725506OAI: diva2:318865
Available from: 2010-05-11 Created: 2010-05-11 Last updated: 2010-05-17

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Physiological MeasurementsThe Institute of TechnologyOto-Rhiono-Laryngology and Head & Neck SurgeryFaculty of Health Sciences
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Medical and Health SciencesBiomedical Laboratory Science/Technology

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