Abstract
Background: Reduced levels of protein S (PS) and α<sub>2</sub>-antiplasmin α<sub>2</sub>-AP) in solvent/detergent virus-inactivated plasma (S/D-VIP) might induce an imbalance of plasma coagulation factors and inhibitors in patients transfused. We investigated 40 patients (23 fresh frozen plasma (FFP), 17 S/D-VIP, random distribution by a list calculated by statisticians) who suffered from dilution coagulopathy, liver disease, disseminated intravascular coagulation (DIC), polytrauma or were connected to extracorporeal circulation. Study Design and Methods: The following markers of activated coagulation (MAC) were measured: Prothrombin fragment F1+2 (F1+2), fibrin monomers (FM), D-dimers (DD), thrombin-antithrombin (TAT) and plasmin-antiplasmin (PAP) complexes as well as fibrinogen degradation products (FgDP), and additionally antithrombin III (antithrombin), protein C (PC), PS and α<sub>2</sub>-AP. Blood was taken only just before and 1 h after the first plasma replacement (2 units). No additional blood products were transfused before the second blood withdrawal. Pre- and posttransfusion (pre/post) values of all parameters measured were compared within the same group and between both groups. Statistical evaluation of the data was done by Wilcoxon’s paired test for data in the same plasma group and by the test of Mann and Whitney for data comparison between both plasma groups. Results: Average pretransfusion values of all inhibitors for both plasma groups were in the same range and increased after transfusion, except for PS in both groups. Whereas the pre/post values did not differ significantly in the FFP group, antithrombin (p = 0.02), PC (p = 0.0005), and α<sub>2</sub>-AP (p = 0.02) showed a significantly higher increase in the S/D-VIP group. Considering the pre/post differences between both plasma groups, there were no significant differences. The same was true for MAC measured pre- and posttransfusion. Conclusion: Data showed no significant difference between both plasma groups, indicating that S/D-VIP plasma behaves as FFP under the study conditions employed.
Published Version
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