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Effect of time interval between swallows on esophageal peristalsis.
Linköping University, Department of Biomedical Engineering, Physiological Measurements. Linköping University, The Institute of Technology.
1980 (English)In: American Journal of Physiology, ISSN 0002-9513, E-ISSN 2163-5773, Vol. 238, no 6, G485-90 p.Article in journal (Refereed) Published
Abstract [en]

Esophageal peristaltic pressure amplitude, peristaltic incidence, speed of peristalsis, and wave duration were investigated as a function of swallow interval. In the distal half of the esophagus, the amplitude decreased at swallow intervals of 8 s and shorter. At intervals of 8 and 4 s, dropouts of contractions that were obtained were most frequent in the distal esophagus and for the 4-s interval. At continuous swallows no contractions were obtained below the upper esophageal sphincter until the end of the swallow sequence, after which a peristaltic wave of high amplitude propagated along the esophagus. The peristaltic speed increased toward a level 5 cm above the lower esophageal sphincter. The peristaltic wave duration was approximately the same in different parts of the esophagus and at different swallow intervals. The findings indicate an impairment of esophageal transport function by short swallow intervals.

Place, publisher, year, edition, pages
1980. Vol. 238, no 6, G485-90 p.
National Category
Meteorology and Atmospheric Sciences
Identifiers
URN: urn:nbn:se:liu:diva-116870PubMedID: 7386632OAI: oai:DiVA.org:liu-116870DiVA: diva2:801167
Available from: 2015-04-08 Created: 2015-04-08 Last updated: 2017-12-04

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