Rapid vs. delayed infrared responses after ischemia reveal recruitment of different vascular beds

Continuous infrared imaging revealed transient changes in forearm temperature during arterial occlusion, reperfusion, and recovery in a healthy subject group. Processing the imaging data with the k-means algorithm further revealed reactive vascular sites in the skin with rapid or delayed temperature...

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Bibliographic Details
Published in:Quantitative infrared thermography 2015-07, Vol.12 (2), p.173-183
Main Authors: Chang, Ken, Yoon, Stephen, Sheth, Niral, Seidel, Miles, Antalek, Matthew, Ahad, James, Darlington, Thomas, Ikeda, Allison, Kato, Gregory J., Ackerman, Hans, Gorbach, Alexander M.
Format: Article
Language:English
Subjects:
angiosome
image processing
infrared imaging
k-means
peripheral vasculature
post-occlusion reactive hyperemia
precision placement of sensors
skin microcirculation
temperature regulation
thermography
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Summary:Continuous infrared imaging revealed transient changes in forearm temperature during arterial occlusion, reperfusion, and recovery in a healthy subject group. Processing the imaging data with the k-means algorithm further revealed reactive vascular sites in the skin with rapid or delayed temperature amplification. The observed temporal and spatial diversity of blood-flow-derived forearm temperature allow consideration of thermal-imaging guided placement of skin sensors to achieve enhanced sensitivity in monitoring of skin hemodynamics.
ISSN:1768-6733
2116-7176
DOI:10.1080/17686733.2015.1046677