Blood refill time: Clinical bedside monitoring of peripheral blood perfusion using pulse oximetry sensor and mechanical compression

Since blood is a major component affecting skin color (oxyhemoglobin is visually perceived as red and deoxyhemoglobin as blue), this technology can provide an alternative measure of skin color change that does not rely on visual inspection. All procedures were performed in a climate controlled envir...

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Bibliographic Details
Published in:The American journal of emergency medicine 2018-12, Vol.36 (12), p.2310-2312
Main Authors: Shinozaki, Koichiro, Capilupi, Michael J., Saeki, Kota, Hirahara, Hideaki, Horie, Katsuyuki, Kobayashi, Naoki, Weisner, Steve, Kim, Junhwan, Lampe, Joshua W., Becker, Lance B.
Format: Article
Language:English
Subjects:
Ambient temperature
Bladder
Blood
Cold
Cold water
Color
Compression
Emergency medical care
Hemoglobin
Hypothermia
Inventors
Light
Oximetry
Oxyhemoglobin
Perfusion
Peripheral blood
R&D
Research & development
Sensors
Skin
Temperature effects
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Summary:Since blood is a major component affecting skin color (oxyhemoglobin is visually perceived as red and deoxyhemoglobin as blue), this technology can provide an alternative measure of skin color change that does not rely on visual inspection. All procedures were performed in a climate controlled environment at an ambient temperature of 20–22°C. We measured BRT under two different conditions: hands at room temperature (ROOM TEMPERATURE) and immersed in cold water (COLD, 15±2°C). LBB has a grant/research support from Philips Healthcare, the NIH, Nihon Kohden Corp., BeneChill Inc., Zoll Medical Corp, and Medtronic Foundation, patents in the areas of hypothermia induction and perfusion therapies, and inventor's equity within Helar Tech LLC.
ISSN:0735-6757
1532-8171
DOI:10.1016/j.ajem.2018.04.006