An increased blood fibrinolytic activity manifested by increased tissue plasminogen activator (t-PA) and decreased tissue plasminogen activator inhibitor (PAI-1) and increased FDP levels are seen in 40 patients with mild hypertrophy of prostate. Surgical treatment increased blood fibrinolytic activity manifested in the increase in t-PA, decrease in PAI-1, shortening of ELT, increase in FDP, and decrease in plasminogen and 2-AP activities. Blood fibrinolytic activity was the highest immediately after surgery with tendency to the gradual normalization. Positive ethanol test and decrease in thrombocyte count indicate and activation of blood clotting system induced by the tissue thrombo-elastins released during surgery. Subclinical DCI with the secondary increased fibrinolysis activation is present in patients with mild hypertrophy of the prostate both prior to and after surgery.
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