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Low frequency oscillations assessed by diffuse speckle contrast analysis for foot angiosome concept

Title
Low frequency oscillations assessed by diffuse speckle contrast analysis for foot angiosome concept
Authors
Yeo, ChaebeomJung, HanbeenLee, KijoonSong, Cheol
DGIST Authors
Lee, KijoonSong, Cheol
Issue Date
2020-10
Citation
Scientific Reports, 10(1), 17153
Type
Article
Article Type
Article
Keywords
BLOOD-FLOWOXYGEN-SATURATIONLIMB SALVAGEULCERSMETABOLISMISCHEMIA
ISSN
2045-2322
Abstract
An angiosome refers to a 3D tissue volume that is vascularized by a single artery and is a relatively new concept that is useful in vascular surgery; however, the direct relationship between arterial blood flow and micro-perfusion is still controversial. Here, we propose a diffuse speckle contrast analysis (DSCA), which is an emerging tissue perfusion monitoring modality, to investigate the correlations among low frequency oscillations (LFOs) measured from different areas on the feet of healthy subjects. We obtained reproducible results from the correlation analyses of LFOs, and their physiological implications were discussed. In order to confirm the changes in the frequency oscillations, we analyzed and compared the power spectral density changes due to heart rate variability in the electrocardiographic signal during reactive hyperemia and head-up tilt protocols. © 2020, The Author(s).
URI
http://hdl.handle.net/20.500.11750/12596
DOI
10.1038/s41598-020-73604-0
Publisher
Nature Publishing Group
Related Researcher
  • Author Lee, Kijoon Quantum & Biomedical Optics Lab
  • Research Interests Biomedical Optics; DOT; DSCA; NIRS; OCT; LSCI; Nonlinear Optics; Random Laser; Coherent Backscattering
Files:
Collection:
Department of Robotics EngineeringIntelligent Bio-OptoMechatronics Lab1. Journal Articles
Department of Information and Communication EngineeringQuantum & Biomedical Optics Lab1. Journal Articles


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