Heating of blood by low-intensity laser radiation

Alexander N. Korolevich; Liudmila G. Astafyeva; Natali S. Dubina; Sergei I. Vecherinski; Michael Scott Belsley

doi:10.1117/12.499789

16 October 2003 Heating of blood by low-intensity laser radiation

Alexander N. Korolevich, Liudmila G. Astafyeva, Natali S. Dubina, Sergei I. Vecherinski, Michael Scott Belsley

Proceedings Volume 5142, Therapeutic Laser Applications and Laser-Tissue Interactions; (2003) https://doi.org/10.1117/12.499789
Event: European Conferences on Biomedical Optics 2003, 2003, Munich, Germany

Abstract

Theoretical and experimental studies of the influence of low-intensity laser radiation, on the velocity of microcirculation of the erythrocytes of patients with the cardiovascular disease “in vivo" are carried out. Dynamic light scattering techniques were used to monitor the variation in the perfusion of micro capillary blood flow during irradiation under "in vivo" conditions and compared to the change in average size of aggregates of the blood effects observed "in vitro" using static scattering of light. It is shown that the process of the fragmentation of erythrocytes depends on amount of energy absorbed by biological tissues. This conclusion is supported by the good qualitative agreement with the theoretical model, based on the heat transfer theory within the dermis.

Citation Download Citation

Alexander N. Korolevich, Liudmila G. Astafyeva, Natali S. Dubina, Sergei I. Vecherinski, and Michael Scott Belsley "Heating of blood by low-intensity laser radiation", Proc. SPIE 5142, Therapeutic Laser Applications and Laser-Tissue Interactions, (16 October 2003); https://doi.org/10.1117/12.499789

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