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Plasmapheresis on a continuous blood flow fractionator to remove 1,200-2,000 ml plasma and substitute for the same values of dextran solutions was employed in the multi-modality treatment of 25 patients with Functional Classes II-IV exertional angina and myocardial infarction. Plasma and thrombocyte hemostatic parameters were examined just before and 24 and 48 hours after plasmapheresis. The analysis of the baseline data revealed that hemostatic changes were directly related to the severity of a disease in the patients and there was a correlation between the increased platelet aggregability and the elevated levels of fibrin-monomeric complexes. Plasmapheresis along with substitution of removed plasma for dextran solutions was accompanied by a profound hypocoagulative effect, as evidenced by plasma and thrombocyte hemostatic parameters. In addition, in patients with baseline high values of platelet aggregability plasmapheresis resulted in its decrease, whereas in those with baseline low values, it led to its increase.

The bicycle ergometric test was used to examine exercise tolerance in 73 patients with coronary heart disease following a single remedial plasmapheresis session, which removed an average of 1562.2 ml plasma. A rapid increase in exercise tolerance was significantly revealed in patients with Functional Class IV exertional angina.