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Optics and Spectroscopy, 2021, Volume 129, Issue 6, Pages 707–710
DOI: https://doi.org/10.21883/OS.2021.06.50980.10-21 (Mi os113) 		 
Proceedings of the international conference ''The XXIV Annual Conference Saratov Fall Meeting 2020''
Biophotonics

Effect of light exposure duration on the skin microcirculatory system by laser Doppler flowmetry in experiment

O. V. Zlobina, S. S. Pakhomy, E. V. Smolina, T. V. Milashevskaya, A. A. Dolgov, A. N. Ivanov, I. O. Bugaeva

Saratov State Medical University named after V. I. Razumovsky
Full-text PDF (89 kB)
DOI: https://doi.org/10.21883/OS.2021.06.50980.10-21
Abstract: We studied the effect of long-term light exposure (model 18:6) on the functioning of regulatory mechanisms of the skin microcirculatory channel in the experiment. The study of microcirculation was performed using the method of laser Doppler flowmetry. It was found that prolonged light exposure causes impaired regulation of blood flow in the microcirculatory bed (reduction of amplitudes of endothelial, neurogenic and myogenic oscillations) and reduced tissue perfusion. The severity of hemodynamic disorders increases with increasing duration of light exposure. Decrease in perfusion and progression of violations of active factors regulating the processes of microcirculation indicate a negative effect of light exposure on tissue perfusion, which may serve as a risk factor for cardiovascular pathology.
Keywords: light exposure, circadian rhythms, laser Doppler flowmetry, microcirculation, tissue perfusion.
Funding agency Grant number
Ministry of Science and Higher Education of the Russian Federation
This work was performed as part of the project “Development of a mathematical model to assess the rate at which functional changes in the body due to light-induced desynchronosis transform into irreversible morphological changes in the target organs in a simulation experiment” according to the State Assignment to the Razumovsky Saratov State Medical University of the Ministry of Health of the Russian Federation.
Received: 30.12.2020
Revised: 01.02.2021
Accepted: 26.02.2021
English version:
Optics and Spectroscopy, 2021, Volume 129, Issue 8, Pages 857–860
DOI: https://doi.org/10.1134/S0030400X21060205
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: O. V. Zlobina, S. S. Pakhomy, E. V. Smolina, T. V. Milashevskaya, A. A. Dolgov, A. N. Ivanov, I. O. Bugaeva, “Effect of light exposure duration on the skin microcirculatory system by laser Doppler flowmetry in experiment”, Optics and Spectroscopy, 129:6 (2021), 707–710; Optics and Spectroscopy, 129:8 (2021), 857–860
Citation in format AMSBIB
\Bibitem{ZloPakSmo21}
\by O.~V.~Zlobina, S.~S.~Pakhomy, E.~V.~Smolina, T.~V.~Milashevskaya, A.~A.~Dolgov, A.~N.~Ivanov, I.~O.~Bugaeva
\paper Effect of light exposure duration on the skin microcirculatory system by laser Doppler flowmetry in experiment
\jour Optics and Spectroscopy
\yr 2021
\vol 129
\issue 6
\pages 707--710
\mathnet{http://mi.mathnet.ru/os113}
\crossref{https://doi.org/10.21883/OS.2021.06.50980.10-21}
\elib{https://elibrary.ru/item.asp?id=46489745}
\transl
\jour Optics and Spectroscopy
\yr 2021
\vol 129
\issue 8
\pages 857--860
\crossref{https://doi.org/10.1134/S0030400X21060205}
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