Linked Life Data

2968344

Source:http://linkedlifedata.com/resource/pubmed/id/2968344

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
4
pubmed:dateCreated
1988-8-8
pubmed:abstractText
Pulsed Doppler velocimetry was used to record a grid of velocity waveforms 0.5 cm downstream of the cephalic mesenteric and left renal branches of the aorta in anesthetized dogs. Aortic velocity contours at different phases of the pulse cycle were developed from the grid of waveforms. Transient flow recirculation occurred in the post-systolic phase of the pulse cycle at the aortic wall opposite the branch artery. There was no recirculation at the systolic peak but there was asymmetry of the velocity profile. In contrast, in the in vivo post-stenotic velocity field recirculation persists throughout most of the cycle. These results compare well with similar results from pulsatile model studies. Spectral width of the Doppler signal was not increased in any of the velocity waveforms immediately downstream of the branches, this suggests that flow is relatively undisturbed in these locations.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:issn
0021-9290
pubmed:author
pubmed:issnType
Print
pubmed:volume
21
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
277-86
pubmed:dateRevised
2009-11-11
pubmed:meshHeading
pubmed:year
1988
pubmed:articleTitle
Aortic velocity contours at abdominal branches in anesthetized dogs.
pubmed:affiliation
Department of Physiology, University of Alberta, Edmonton, Canada.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't