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Proceedings Paper

Heating of blood by low-intensity laser radiation
Author(s): Alexander N. Korolevich; Liudmila G. Astafyeva; Natali S. Dubina; Sergei I. Vecherinski; Michael Scott Belsley
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Paper 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.

Paper Details

Date Published: 16 October 2003
PDF: 7 pages
Proc. SPIE 5142, Therapeutic Laser Applications and Laser-Tissue Interactions, (16 October 2003); doi: 10.1117/12.499789
Show Author Affiliations
Alexander N. Korolevich, B.I. Stepanov Institute of Physics (Belarus)
Univ. do Minho (Portugal)
Liudmila G. Astafyeva, B.I. Stepanov Institute of Physics (Belarus)
Natali S. Dubina, GP MTZ Medservis (Belarus)
Sergei I. Vecherinski, GP MTZ Medservis (Belarus)
Michael Scott Belsley, Univ. do Minho (Portugal)


Published in SPIE Proceedings Vol. 5142:
Therapeutic Laser Applications and Laser-Tissue Interactions
Rudolf W. Steiner, Editor(s)

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