title: Rapid vs. delayed infrared responses after ischemia reveal recruitment of different vascular beds.
abstract: 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 thek-meansalgorithm 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.
authors.affiliation: Infrared Imaging and Thermometry Unit, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, USA.
authors.forename: Ken
authors.initials: K
authors.lastname: Chang
authors.affiliation: Infrared Imaging and Thermometry Unit, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, USA.
authors.forename: Stephen
authors.initials: S
authors.lastname: Yoon
authors.affiliation: Infrared Imaging and Thermometry Unit, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, USA.
authors.forename: Niral
authors.initials: N
authors.lastname: Sheth
authors.affiliation: Infrared Imaging and Thermometry Unit, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, USA.
authors.forename: Miles
authors.initials: M
authors.lastname: Seidel
authors.affiliation: Infrared Imaging and Thermometry Unit, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, USA.
authors.forename: Matthew
authors.initials: M
authors.lastname: Antalek
authors.affiliation: Infrared Imaging and Thermometry Unit, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, USA.
authors.forename: James
authors.initials: J
authors.lastname: Ahad
authors.affiliation: Infrared Imaging and Thermometry Unit, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, USA.
authors.forename: Thomas
authors.initials: T
authors.lastname: Darlington
authors.affiliation: The Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD, USA.
authors.forename: Allison
authors.initials: A
authors.lastname: Ikeda
authors.affiliation: The Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, USA ; Division of Hematology/Oncology, Vascular Medicine Institute, University of Pittsburgh Medical Center, Pittsburgh, PA, USA.
authors.forename: Gregory J
authors.initials: GJ
authors.lastname: Kato
authors.affiliation: The Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD, USA.
authors.forename: Hans
authors.initials: H
authors.lastname: Ackerman
authors.affiliation: Infrared Imaging and Thermometry Unit, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, USA.
authors.forename: Alexander M
authors.initials: AM
authors.lastname: Gorbach
keywords: angiosome; image processing; infrared imaging; k-means; peripheral vasculature; post-occlusion reactive hyperemia; precision placement of sensors; skin microcirculation; temperature regulation; thermography