ABSTRACT
The aim of this study was to evaluate the neonatal cerebral blood flow velocity changes in moderate hypoxic ischemic encephalopathy [HIE] using color Doppler duplex ultrasound. Fifteen full term asphyxiated newborn infants with moderate HIE were examined prospectively using transfontanel color Doppler duplex ultrasound with 5 mHz curvilinear probe. Fifteen full term age and weight matched healthy newborn infants were also examined as a control group. The results showed a significant reduction in the mean values of peak systolic velocity [PSV], end diastolic velocity [EDV] and mean flow velocity [MV] in anterior cerebral artery [ACA] in newborn infants with HIE than those of the control group. The PSV, EDV and MV values in middle cerebral artery [MCA] were significantly lower than that of the control group. Doppler duplex ultrasound is noninvasive imaging modality to evaluate cerebrovascular dynamics in newborn infants with HIE