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Open access

Spatial heterogeneity of cutaneous blood flow respiratory-related oscillations quantified via laser speckle contrast imaging

Тип документаJournal Article
Дата публикации2021-05-01
Название журналаPLoS ONE
ИздательPublic Library of Science
Квартиль по SCImagoQ1
Квартиль по Web of ScienceQ2
Импакт-фактор 20213.75
Краткое описание

LSCI technique provides experimental data which can be considered in the context of spatial blood flow coherency. Analysis of vascular tone oscillations gives additional information to ensure a better understanding of the mechanisms affecting microvascular physiology. The oscillations with different frequencies are due to different physiological mechanisms. The reasons for the generation of peripheral blood flow oscillations in the 0.14–0.6 Hz frequency band are as follows: cardio-respiratory interactions, pressure variations in the venous part of the circulatory system, and the effect of the sympathetic nervous system on the vascular tone. Earlier, we described the spatial heterogeneity of around 0.3 Hz oscillations and this motivated us to continue the research to find the conditions for the occurrence of spatial phase synchronization. For this purpose, a number of physiological tests (controlled respiration, breath holder, and venous occlusion tests) which influence the blood flow oscillations of 0.14–0.6 Hz were considered, an appropriate measurement system and the required data processing algorithms were developed. At spontaneous respiration, the oscillations with frequencies around 0.3 Hz were stochastic, whereas all the performed tests induced an increase in spatial coherence. The protocols and methods proposed here can help to clarify whether the heterogeneity of respiratory-related blood flow oscillations exists on the skin surface.

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1. Mizeva I. и др. Spatial heterogeneity of cutaneous blood flow respiratory-related oscillations quantified via laser speckle contrast imaging // PLOS ONE. 2021. Т. 16. № 5. С. e0252296.


DO - 10.1371/journal.pone.0252296

UR -

TI - Spatial heterogeneity of cutaneous blood flow respiratory-related oscillations quantified via laser speckle contrast imaging


AU - Mizeva, Irina

AU - Potapova, Elena

AU - Dremin, Viktor

AU - Kozlov, Igor

AU - Dunaev, Andrey

PY - 2021

DA - 2021/05/27

PB - Public Library of Science (PLoS)

SP - e0252296

IS - 5

VL - 16

SN - 1932-6203

ER -

BibTex |


doi = {10.1371/journal.pone.0252296},

url = {},

year = 2021,

month = {may},

publisher = {Public Library of Science ({PLoS})},

volume = {16},

number = {5},

pages = {e0252296},

author = {Irina Mizeva and Elena Potapova and Viktor Dremin and Igor Kozlov and Andrey Dunaev},

editor = {Yih-Kuen Jan},

title = {Spatial heterogeneity of cutaneous blood flow respiratory-related oscillations quantified via laser speckle contrast imaging},

journal = {{PLOS} {ONE}}


Mizeva, Irina, et al. “Spatial Heterogeneity of Cutaneous Blood Flow Respiratory-Related Oscillations Quantified via Laser Speckle Contrast Imaging.” PLOS ONE, edited by Yih-Kuen Jan, vol. 16, no. 5, May 2021, p. e0252296. Crossref,