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Abstract
Objective: In order to more accurately assess fetal neurological status in five fetuses with severe intrauterine growth restriction (IUGR), combined assessment of their hemodynamics and motor activity was undertaken in this study.
Method: Hemodynamic changes in the placental and fetal cerebral vessels were evaluated using the umbilical artery resistance index (URI), and the middle cerebral artery resistance index (CRI). The blood flow redistribution towards the fetal brain in response to fetal hypoxia was detected by the C/U (cerebro – umbilical) ratio, expressed as CRI/URI.
Motoric parameters were assessed by new antenatal neurologic scoring test named Kurjak Antenatal Neurodevelopmental Test (KANET), based on evaluation of spontaneous motor activity using four-dimensional (4D) ultrasound.
Results: KANET has potential in recognizing pathologic and borderline behavior in IUGR fetuses with or without blood flow redistribution towards the fetal brain. Very low values of C/U ratio and abnormal KANET score have indicated adverse pregnancy outcome.
Conclusion: In some pregnancies complicated with IUGR, estimation of the risk of hypoxia versus prematurity can be extremely puzzling. Combined assessment of hemodynamic and motoric parameters in IUGR fetuses could allow construction of an algorithm, which would be helpful in the decision making process of pregnancy termination.