Home > Research > Publications & Outputs > Race-specific differences in the phase coherenc...

Electronic data

Links

Text available via DOI:

View graph of relations

Race-specific differences in the phase coherence between blood flow and oxygenation: A simultaneous NIRS, white light spectroscopy and LDF study

Research output: Contribution to journalJournal article

Published

Standard

Harvard

APA

Vancouver

Author

Bibtex

@article{bf478bd96a0142c095706fc16eab4971,
title = "Race-specific differences in the phase coherence between blood flow and oxygenation: A simultaneous NIRS, white light spectroscopy and LDF study",
abstract = "Race-specific differences in the level of glycated hemoglobin are well known. However, these differences were detected by invasive measurement of mean oxygenation, and their understanding remains far from complete. Given that oxygen is delivered to the cells by hemoglobin through the cardiovascular system, a possible approach is to investigate the phase coherence between blood flow and oxygen transportation. Here we introduce a noninvasive optical method based on simultaneous recordings using NIRS, white light spectroscopy and LDF, combined with wavelet-based phase coherence analysis. Signals were recorded simultaneously for individuals in two groups of healthy subjects, 16 from Sub-Saharan Africa (BA group) and 16 Europeans (CA group). It was found that the power of myogenic oscillations in oxygenated and de-oxygenated hemoglobin is higher in the BA group, but that the phase coherence between blood flow and oxygen saturation, or blood flow and hemoglobin concentrations is higher in the CA group",
author = "Abdulhameed, {Yunus A.} and McClintock, {Peter V. E.} and Aneta Stefanovska",
year = "2020",
month = apr
day = "1",
doi = "10.1002/jbio.201960131",
language = "English",
volume = "13",
journal = "Journal of Biophotonics",
issn = "1864-063X",
publisher = "Wiley-VCH Verlag",
number = "4",

}

RIS

TY - JOUR

T1 - Race-specific differences in the phase coherence between blood flow and oxygenation

T2 - A simultaneous NIRS, white light spectroscopy and LDF study

AU - Abdulhameed , Yunus A.

AU - McClintock, Peter V. E.

AU - Stefanovska, Aneta

PY - 2020/4/1

Y1 - 2020/4/1

N2 - Race-specific differences in the level of glycated hemoglobin are well known. However, these differences were detected by invasive measurement of mean oxygenation, and their understanding remains far from complete. Given that oxygen is delivered to the cells by hemoglobin through the cardiovascular system, a possible approach is to investigate the phase coherence between blood flow and oxygen transportation. Here we introduce a noninvasive optical method based on simultaneous recordings using NIRS, white light spectroscopy and LDF, combined with wavelet-based phase coherence analysis. Signals were recorded simultaneously for individuals in two groups of healthy subjects, 16 from Sub-Saharan Africa (BA group) and 16 Europeans (CA group). It was found that the power of myogenic oscillations in oxygenated and de-oxygenated hemoglobin is higher in the BA group, but that the phase coherence between blood flow and oxygen saturation, or blood flow and hemoglobin concentrations is higher in the CA group

AB - Race-specific differences in the level of glycated hemoglobin are well known. However, these differences were detected by invasive measurement of mean oxygenation, and their understanding remains far from complete. Given that oxygen is delivered to the cells by hemoglobin through the cardiovascular system, a possible approach is to investigate the phase coherence between blood flow and oxygen transportation. Here we introduce a noninvasive optical method based on simultaneous recordings using NIRS, white light spectroscopy and LDF, combined with wavelet-based phase coherence analysis. Signals were recorded simultaneously for individuals in two groups of healthy subjects, 16 from Sub-Saharan Africa (BA group) and 16 Europeans (CA group). It was found that the power of myogenic oscillations in oxygenated and de-oxygenated hemoglobin is higher in the BA group, but that the phase coherence between blood flow and oxygen saturation, or blood flow and hemoglobin concentrations is higher in the CA group

U2 - 10.1002/jbio.201960131

DO - 10.1002/jbio.201960131

M3 - Journal article

VL - 13

JO - Journal of Biophotonics

JF - Journal of Biophotonics

SN - 1864-063X

IS - 4

M1 - 201960131

ER -