The two structural-functional state parameters of erythrocyte membrane in healthy donors and ischemic heart disease patients have been compared--the potassium exchange rate constant (x), and the quantity of Alcian blue sorption capacity of glycocalyx (y). The connection between the first parameter--x--and the other one--y--has been observed in cases, when the value of the latter experienced both the seasonal oscillations (the coefficient of lineal correlation was: r = -0.87, P less than 0.01) and the changes in the cause of ischemic heart disease (r = -0.72, P less than 0.01) and its treatment (the coefficients of correlation attitude of each of parameter changes were: eta xy = 0.83, P less than 0.01; eta yx = 0.52, P less than 0.05). The above connection may indicate the participation of membrane glycoproteins and glycolipids in a regulation of the cation transport function of the erythrocyte membrane.

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