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  • Title: [The electrical impedance indicator dilution method in studying the basic hemodynamic parameters during dialysis].
    Author: Maksimenko VA, Belorusov OS, Krivitskiĭ NM, Ho ZZ, Shifris SV, Kislukhin VV.
    Journal: Urol Nefrol (Mosk); 1991; (4):55-7. PubMed ID: 1949419.
    Abstract:
    The procedure for measuring cardiac output and circulating blood volume is based on blood ability to modify its electrical conductance due to the amount of introduced ions (0.9% sodium chloride solution) or undissociated molecules (5% glucose solution). The cardiac output and circulating blood volume were calculated after measuring an area under the electrical impedance indicator dilution curve using the given formulas. With the described and thermodilution methods, the cardiac output was compared (r = 0.95). The correlation factor with the radioisotopic method in measuring the circulating blood volume was 0.88. Clinical investigations carried out in 47 patients on a programmed hemodialysis showed a significant decrease in cardiac output approximately by 700 ml/mi (7.9%) and circulating blood volume by an average of 900 ml (15.2%) by the end of a hemodialysis session, the rate of the circulating blood volume to body weight being also decreased. There was a predominant fluid "release" from the vascular bed.
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