Abstract
This paper presents the results of endovenous laser ablation (EVLA) of varicose veins in vitro using radiation of a solid-state laser based on the crystal LiYF4:Tm, with a wavelength of 1.885 μm and power output of around 3 W. An experimental series with saline solution and red blood cell (RBC) suspension in the venous lumen was performed to identify the impact of a heated carbonized layer precipitated on the fiber end face versus the efficiency of EVLA. Results of these experiments confirmed that the presence of a heated carbonized layer on the fiber end face increases the efficiency of EVLA.
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The authors are grateful to Vladimir P. Mishkin for SEM images.
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All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest and have disclosed the following: Alexander N. Belyaev, Oksana A. Kuznetsova, Andrey A. Lyapin, Polina A. Ryabochkina, Konstantin N. Romanov, and Alexey N. Chabushkin have an application for a patent “The method of laser obliteration of varicose veins” in state of pending. There are no other financial disclosures or conflicts of interest.
Contract grant sponsors the Ministry of Education and Science of the Russian Federation (the project part of the State Assignment in the sphere of scientific activities no 3.384.2014/К and State Assignment no. 0708 0210059 611); the subsidy of the Russian Government (agreement no. 02.A03.21.0002) to support the Program of Competitive Growth of Kazan Federal University among World’s Leading Academic Centers.
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Belyaev, A.N., Chabushkin, A.N., Khrushchalina, S.A. et al. Investigation of endovenous laser ablation of varicose veins in vitro using 1.885-μm laser radiation. Lasers Med Sci 31, 503–510 (2016). https://doi.org/10.1007/s10103-016-1877-z
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DOI: https://doi.org/10.1007/s10103-016-1877-z