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The results are presented on investigations to determine the optimum and most sensitive to a change in the surface blood flow informative parameters of the spectrum of the dynamic speckle-field formed by the laser radiation scattered from the skin surface. It has been found that along with the value of change in the ratio of the spectral power density at high and low frequencies, the medium frequency of the spectrum, the spectrum asymmetry about the medium frequency and the ratio of the medium frequency to asymmetry strongly depend on the functional state of the skin and, consequently, on the state of microhaeniodynarnics in a given portion of the skin. Maps of the distribution of microcirculations in the investigated portion of the skin are given.

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It has been studied the intravenous laser irradiation of blood (ILIB) influence with helium-neon laser (HNL) of 630 nm wavelength on some of lipid peroxidation (LPO) and antioxidant system (AOS) findings, aside-base status (ABS) and blood oxygen transport (BOT), state of dermal microhaemodynamics (MGD) in the intact rabbits and after modeling of local ischemia of brain (LIB). Depending on conditions of organism functioning (norm or brain ischaemia) ILIB has resulted in stimulating or normalizing effects on the whole metabolic and microhaemocirculation processes which had been studied during our investigation. It is discussed the mechanisms of pathogenetic directivity of ILIB influence in cerebral ischaemia Keywords: intravenous laser irradiation of blood, local ischaemia of brain, metabolic disorders, dermal microhaemodynamics. Downloaded From: http://proceedings.spiedigitallibrary.org/ on 06/20/2016 Terms of Use: http://spiedigitallibrary.org/ss/TermsOfUse.aspx SPIE-OSA/ Vol. 6632 66320K-3 Downloaded From: http://proceedings.spiedigitallibrary.org/ on 06/20/2016 Terms of Use: http://spiedigitallibrary.org/ss/TermsOfUse.aspx SPIE-OSA/ Vol. 6632 66320K-4 Downloaded From: http://proceedings.spiedigitallibrary.org/ on 06/20/2016 Terms of Use: http://spiedigitallibrary.org/ss/TermsOfUse.aspx SPIE-OSA/ Vol. 6632 66320K-5 Downloaded From: http://proceedings.spiedigitallibrary.org/ on 06/20/2016 Terms of Use: http://spiedigitallibrary.org/ss/TermsOfUse.aspx * SPIE-OSA/ Vol. 6632 66320K-6 Downloaded From: http://proceedings.spiedigitallibrary.org/ on 06/20/2016 Terms of Use: http://spiedigitallibrary.org/ss/TermsOfUse.aspx * * * * * Dermal MGD Cerebral MGD SPIE-OSA/ Vol. 6632 66320K-7 Downloaded From: http://proceedings.spiedigitallibrary.org/ on 06/20/2016 Terms of Use: http://spiedigitallibrary.org/ss/TermsOfUse.aspx SPIE-OSA/ Vol. 6632 66320K-8 Downloaded From: http://proceedings.spiedigitallibrary.org/ on 06/20/2016 Terms of Use: http://spiedigitallibrary.org/ss/TermsOfUse.aspx