Scientists Invented a Method for Treating Varicose Veins: Blood Boiling
A group of Russian scientists concluded that boiling blood through laser radiation is the main factor for successful treatment of human varicose veins. According to the scientists, further study of this process will help simplify this medical technology and make it more affordable for the population. The results of the scientific work were published in the journal Quantum Electronics.
Blood boiling in the vein under the influence of radiation is the main factor ensuring the therapeutic effect of the laser, scientists believe.
Article co-author Artyom Kiselyov reports that varicose veins have been treated with lasers for about 20 years, but the physical principle of this method was not fully clear. It is generally believed that the therapeutic effect (denaturation or closure of veins) occurs due to damage to the endothelium — the inner cells of the vessel walls.
"Our studies have shown that the endothelium is damaged due to the thermal effect on the blood. Boiling blood creates voluminous hot streams, which cause the vein wall to start closing."
Ultrasound images (a) before laser exposure, (b, d) at the beginning of exposure, and (c) within 10 seconds after exposure, illustrating the process of laser-induced blood boiling in the vein
Currently, most phlebologists work with special equipment that treats veins with a laser using a circular optical fiber. If further studies confirm that vein treatment occurs precisely due to blood boiling, simpler and cheaper optical fibers could be used for this procedure. According to the scientist, this research will eventually allow for the development of more affordable laser treatment technologies for varicose veins.
Researchers from the School of Biomedicine of FEFU and the Russian Academy of Sciences (from Moscow, Vladivostok, and Chernogolovka) participated in the work.
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