The Colloid Crystalloid Debate: Are We Asking the Right Question?

Introduction. It is known that the factors of space flight shift the coagulation balance of blood in the direction of procoagulant. The effect of space flight factors on the hemostatic potential of human blood with the simultaneous effect of preventive measures and compensation for their adverse effects has not been practically studied. The aim of study was to study the effect of physical exertion, electromyostimulation, mechanical stimulation of the foot, and blood-substituting solutions on the main indicators of the human hemostasis system in experiments with 21-hour antiorthostatic hypokinesia, 7-day "dry" water immersion, and 120-day isolation in a hermetic volume. Materials and methods. Concentrations of fibrinogen, plasminogen, soluble fibrin-monomer complexes, D-dimer, antithrombin III, protein C, and α2-antiplasmin were determined in citrate plasma; values of thrombin time, activated partial thromboplastin time, and prothrombin time. Results. It was found that the infusion of blood-substituting colloidal solution "venofundin" prevents the tendency to increase the level of soluble fibrin-monomer complexes observed during 21-hour antiorthostatic hypokinesia. Electromyostimulation leads to increased levels of fibrinogen and D-dimer during 7-day immersion. The complex of physical activities used in the experiment with 120-day isolation helps to reduce the level of D-dimer. Conclusions. The results indicate that when modeling the impact of space flight factors, a favorable hypocoagulation effect is provided by an infusion of venofundin, as well as a complex of balanced physical activities.

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The Colloid Crystalloid Debate: Are We Asking the Right Question?

Cited by 2 publications

References 156 publications

Effect of dehydratation and blood substitute infusion on the hemostasis system in a 21-hour bed rest experiment

Effect of dehydratation and blood substitute infusion on the hemostasis system in a 21-hour bed rest experiment

Influence of means of prevention of adverse effects of space flight on the plasma component of the system of regulation of the aggregate state of human blood

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