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Hypercoagulability and DIC in High-Risk Infants
06 February 2008 (online)
Asphyxiated newborns have evidence of disseminated intravascular coagulation (DIC). Several hemostatic parameters were assayed in venous umbilical cord blood of 93 infants, 58 of which suffered from asphyxia due to abruptio placentae, breech delivery, preeclampsia, dead twin, and amniotic fluid embolism. Levels of factor XIII were markedly lower in the high-risk infants; the lowest values coincided with lowest Apgar scores. Plasma levels of thrombin-antithrombin (TAT) complexes, D-dimer, fibrin(ogen) degradation products (FDP), and soluble fibrin monomer complexes (SFMC) were markedly higher in the asphyxiated newborns with good correlations to DIC scores. DIC scores for infants were explained. A significant negative correlation was found between plasma levels of SFMC and Apgar scores. Also primary hemostasis measurements by a Thrombostat 4000® revealed defects in the asphyxiated infants. The data strongly suggest the presence of DIC in the high-risk group of infants.
Asphyxia - DIC - SFMC - TAT complex - D-dimer