Reference : Lingering Dynamics in Microvascular Blood Flow.
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Multidisciplinary, general & others
Lingering Dynamics in Microvascular Blood Flow.
Kihm, Alexander [> >]
Quint, Stephan [> >]
Laschke, Matthias W. [> >]
Menger, Michael D. [> >]
John, Thomas [> >]
Kaestner, Lars [> >]
Wagner, Christian mailto [University of Luxembourg > Department of Physics and Material Science]
Biophysical journal
Yes (verified by ORBilu)
[en] Animals ; Arterioles ; Blood Flow Velocity ; Capillaries ; Cricetinae ; Microcirculation ; Microvessels
[en] The microvascular networks in the body of vertebrates consist of the smallest vessels such as arterioles, capillaries, and venules. The flow of red blood cells (RBCs) through these networks ensures the gas exchange in as well as the transport of nutrients to the tissues. Any alterations in this blood flow may have severe implications on the health state. Because the vessels in these networks obey dimensions similar to the diameter of RBCs, dynamic effects on the cellular scale play a key role. The steady progression in the numerical modeling of RBCs, even in complex networks, has led to novel findings in the field of hemodynamics, especially concerning the impact and the dynamics of lingering events when a cell meets a branch of the network. However, these results are yet to be matched by a detailed analysis of the lingering experiments in vivo. To quantify this lingering effect in in vivo experiments, this study analyzes branching vessels in the microvasculature of Syrian golden hamsters via intravital microscopy and the use of an implanted dorsal skinfold chamber. It also presents a detailed analysis of these lingering effects of cells at the apex of bifurcating vessels, affecting the temporal distribution of plasmatic zones of blood flow in the branches and even causing a partial blockage in severe cases.
Copyright © 2020 Biophysical Society. Published by Elsevier Inc. All rights reserved.

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