Search for: [Abstract = "tration in this group. In the preoperative period the decreased concentration of fibrinogen, activity of prothrombin, factor VII, VIII and antithrombin III was observed in patients from both groups. There was a significant relation of blood saturation to the activity of factor VII before the surgery. The increase in saturation after the hemi\-Fontan procedure may contribute to partial correction of observed abnormalities in prothrombin, factor VII and fibrinogen. On the first postoperative day there was a significant decrease in activity of prothrombin, factor VII, antithrombin III and increase in activity of factor VIII in both groups. Five days after the surgery the noteworthy coagulation abnormalities \(decreased prothrombin, factor VII and antithrombin III activity, increased factor VIII activity\) were observed only in the Fontan group. Children with pleura\! effusions had significantly lower concentration of total serum protein, fibrinogen as well as activity of factor VII and antithrombin III. There was a significant influence of the hemodynamic factors \( central venous pressure, decreased ventricular function, elevated end\-diastolic ventricular pressure, higher systemic saturation before the surgery\) on the activity of particular coagulation factors in patients after the Fontan procedure. In the hemi\-Fontan group no relation was found between the hemodynamic variables and a"]

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