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[Hypervolemic hemodilution in pre-eclampsia].

L Heilmann, U Siekmann

    Infusionstherapie Und Klinische Ernahrung
    |December 1, 1983
    PubMed
    Summary
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    Early infusion therapy with low molecular dextran in pregnant women with pre-eclampsia improved hemorheological disorders, increasing cardiac output and oxygen transport. This intervention led to prolonged gestation in some patients, suggesting its potential benefit.

    Area of Science:

    • Obstetrics and Gynecology
    • Cardiovascular Physiology
    • Hematology

    Background:

    • Pre-eclampsia is a serious pregnancy complication characterized by hypertension and potential organ damage.
    • Hemorheological disorders, affecting blood flow and viscosity, are often observed in pre-eclampsia.
    • Intrauterine growth retardation (IUGR) is another adverse outcome associated with pre-eclampsia.

    Purpose of the Study:

    • To investigate the effects of low molecular dextran infusion on hemorheological parameters in pregnant women with pre-eclampsia and IUGR.
    • To assess the impact of this therapy on cardiac output, oxygen transport, and clinical outcomes.

    Main Methods:

    • A study involving 30 pregnant women diagnosed with pre-eclampsia (26) or IUGR (4).
    • Intravenous administration of 500 ml low molecular dextran per hour.

    Related Experiment Videos

  • Monitoring of hemodynamic parameters, plasma viscosity, erythrocyte aggregation, and colloid osmotic pressure.

    • Main Results:

    • Infusion led to hemodilution, a 5.4% increase in plasma viscosity, and a significant 32.4% rise in cardiac output.
    • Increased cardiac output enhanced systemic oxygen transport capacity despite hemodilution.
    • Erythrocyte aggregation decreased by 32.4%, while colloid osmotic pressure increased by 27%.

    Conclusions:

    • Low molecular dextran therapy positively modulated hemorheological disorders in pre-eclampsia.
    • Observed improvements in cardiac output and oxygen transport suggest a beneficial effect.
    • Early intervention with low molecular colloids may be crucial for successful management of these conditions.