1 From the Departments of Pediatrics and Radiology, University of Colorado School of Medicine, Denver
Fifty newborn infants of less than 33 weeks' gestation were followed prospectively from birth with serial coagulation and real-time ultrasound studies. A significant association of hypocoagulability in the first four hours of life with subsequent onset or progression of intraventricular or other clinical hemorrhages was documented. Abnormalities included lower values for fibrinogen, platelet count, antithrombin III, and factor VIII with higher values for fibrin monomer and longer Laidlaw whole blood clotting times. These abnormalities tended to correct spontaneously in surviving infants. An association between gestational complications and incidence of hypocoagulability and intracranial hemorrhage (ICH) was noted. Babies of preeclamptic mothers had fewer abnormalities and babies born to mothers with premature rupture of membranes and suspected amnionitis manifested more hypocoagulability and more severe intracranial hemorrhages.
Key Words: coagulopathy newborn intracranial hemorrhage
Submitted on December 28, 1982
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