Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/9019
Citations | ||
Scopus | Web of ScienceĀ® | Altmetric |
---|---|---|
?
|
?
|
Type: | Journal article |
Title: | Spatial patterns of fasting and fed antropyloric pressure waves in humans. |
Author: | Sun, W.M. Hebbard, G. Malbert, C.H. Jones, K. Doran, S. Horowitz, M. Dent, J. |
Citation: | The Journal of Physiology, 1997; 503(Part 2):455-462 |
Publisher: | CAMBRIDGE UNIV PRESS |
Issue Date: | 1997 |
ISSN: | 0022-3751 1469-7793 |
Statement of Responsibility: | W. M. Sun, G. S. Hebbard, C.-H. Malbert, K. L. Jones, S. Doran, M. Horowitz and J. Dent |
Abstract: | 1. Gastric mechanics were investigated by categorizing the temporal and spatial patterning of pressure waves associated with individual gastric contractions. 2. In twelve healthy volunteers, intraluminal pressures were monitored from nine side hole recording points spaced at 1.5 cm intervals along the antrum, pylorus and duodenum. 3. Pressure wave sequences that occurred during phase II fasting contractions (n = 221) and after food (n = 778) were evaluated. 4. The most common pattern of pressure wave onset along the antrum was a variable combination of antegrade, synchronous and retrograde propagation between side hole pairs. This variable pattern accounted for 42% of sequences after food, and 34% during fasting (P < 0.05). Other common pressure wave sequence patterns were: purely antegrade-29% after food and 42% during fasting (P < 0.05); purely synchronous-23% fed and 17% fasting; and purely retrograde-6% fed and 8% fasting. The length of sequences was shorter after food (P < 0.05). Some sequences 'skipped' individual recording points. 5. The spatial patterning of gastric pressure wave sequences is diverse, and may explain the differing mechanical outcomes among individual gastric contractions. 6. Better understanding of gastric mechanics may be gained from temporally precise correlations of luminal flows and pressures and gastric wall motion during individual gastric contraction sequences. |
Keywords: | Duodenum Stomach Pyloric Antrum Pylorus Humans Fasting Postprandial Period Pressure Time Factors Adult Middle Aged Female Male |
DOI: | 10.1111/j.1469-7793.1997.455bh.x |
Published version: | http://dx.doi.org/10.1111/j.1469-7793.1997.455bh.x |
Appears in Collections: | Aurora harvest 4 Medicine publications |
Files in This Item:
There are no files associated with this item.
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.