Journal «Angiology and Vascular Surgery» •
2013 • VOLUME 19 • №1
Role of optical properties of the venous wall for endovenous laser obliteration
Stoiko Yu.M.1, Krasnovskyi A.A.2, Mazaishvili K.V.1, Kozlov A.V.2, Maksimov S.V.1, Khlevtova T.V.1, Kutidze I.A.1, Morenko D.N.1
1) National Medical and Surgical Centre named after N. I. Pirogov, Moscow, Russia
2) A.N. Bakh Institute of Biochemistry under the Russian Academy of Sciences, Moscow, Russia
Presented herein are the results of studying the optical density of water, blood, and venous-wall tissue for various-wavelength laser radiation, with determining the peaks of absorption of radiation by the above-mentioned media. The absorption peaks in water and blood correspond to wavelengths of 1,450 and 1,935 nm, respectively. Peaks of absorption in the venous-wall tissue are within the intervals equaling 650-950 nm, 1,445-1,455 nm, and more than 1,900 nm. Also determined was the optical density of the veins for the most frequently used in clinical practice wavelengths, i.e. 1,030 and 1,470 nm, with the calculation of the portion of the absorbed energy depending on thickness of the layer of the absorbing substance. Based on the obtained findings, a conclusion was drawn on better utilization of the energy of one-and-a-half-micron range laser radiation and on its preferable use for endovenous laser obliteration (EVLO).
KEY WORDS: optical density, laser radiation, endovenous laser obliteration.
P. 70
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