NDLI: Oscillatory structures of blood flow reflect the dynamics of information processes in microcirculatory networks

Content Provider	Springer Nature Link
Author	Krupatkin, A. I.
Copyright Year	2010
Abstract	Laser Doppler flowmetry with wavelet analysis of oscillations of the blood flow in the glabrous skin of the second and fifth fingertips of 30 healthy individuals and 57 patients before and after median and ulnar nerve sutures (n = 29) and after hand sympathectomy (n = 28). Information processes in microvascular networks include both the stationary and oscillatory components. This study is the first to apply wavelet analysis of the blood flow oscillatory organization to studying the dynamics of information processes in microcirculatory networks. A methodological approach was proposed to estimate the total quantity of information, the value and semantic features of different information channels and the information regime (multichannel or resonance) in microcirculatory networks. The deficit of both general information and its content (particularly, of external information), a decrease in the accessibility to the information and the system of self-organization were typical during the denervation syndrome. The semantic information signs changes mainly after sympathectomy. The dynamics of the information process reflects the functional significance of microcirculation in the course of nerve regeneration and skin reinnervation. The increment in information quantity with trophic content occurred at the preimpulse stage of nerve regeneration; it corresponds to the quantitative development of skin microvascular networks for trophic support of reinnervation. The semantic information content was predominantly modulated at the impulse stage due to the increase in homeostatic control intensity. Information peculiarities in the transitional period (from the preimpulse to impulse stage) included a decrease in sporadic processes, an increase in determinism in the system control, the predomination of the trophic content assimilation with the increment in the myogenic activity proper, and the possibility of both multichannel and resonance regimes. The general biological law of the antientropic importance of information for decreasing stochastic processes and the system control support has been confirmed.
Starting Page	211
Ending Page	221
Page Count	11
File Format	PDF
ISSN	03621197
Journal	Human Physiology
Volume Number	36
Issue Number	2
e-ISSN	16083164
Language	English
Publisher	SP MAIK Nauka/Interperiodica
Publisher Date	2010-04-24
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	information blood flow oscillations microcirculation Biomedicine general Human Physiology Life Sciences
Content Type	Text
Resource Type	Article
Subject	Physiology Physiology (medical)

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