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3 November 2000 RBC-aggregation-assisted light transmission through blood and occlusion oximetry
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Abstract
Optical transmission of tissue in-vivo and model red blood cells (RBS) suspensions in vitro have been measured in red and near infrared region targeting better understanding of the nature of in vivo pulsatile signals. It is shown experimentally (both in vitro and in vivo) that the pulsatile signal may result not just from volumetric changes, but also from light scattering fluctuations. Theoretical predictions on time evolution of optical transmission for the case of very long over-systolic occlusion also have been proved experimentally for both in vivo measurements and in vitro model sets. The interconnection of the shape of optical signal and geometry of RBC aggregates is confirmed.
© (2000) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Ilya Fine, Boris Fikhte, and Leonid D. Shvartsman "RBC-aggregation-assisted light transmission through blood and occlusion oximetry", Proc. SPIE 4162, Controlling Tissue Optical Properties: Applications in Clinical Study, (3 November 2000); https://doi.org/10.1117/12.405932
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