Abstract
We studied some features of blood and lymph microcirculation in the brain, heart, and liver of female rats with developed alcoholic cardiomyopathy. In female rats after 24-week forced consumption of 10% ethanol solution, the size and inotropic function of the heart were measured by echocardiography. Microcirculation in the brain, myocardium, and liver was assessed by laser Doppler flowmetry using LAKK-OP2 and LAZMA-D computerized laser analyzers. Using spectral wavelet analysis, we determined the absolute and normalized to total perfusion amplitudes of microcirculation oscillations reflecting various regulatory mechanisms. Intact animals served as controls. In rats of the experimental group, alcoholic cardiomyopathy completely developed. Under these conditions, the index of microcirculation in the brain, myocardium, and liver significantly decreased. At the same time, there was a redistribution in the brain between shunting and nutritive blood flow in favor of the latter. In the myocardium and liver, this ratio did not change.
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