الفهرس 
Transcranial Doppler ultrasonographyOnly 14 pages are availabe for public view
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Abstract
ABSTRACT
Background: Transcranial ultrasonography, in experienced hands, is an outstanding tool to detect brain abnormalities in preterm and full-term infants, and to follow the progression of these lesions. Doppler sonography is an excellent modality for assessment of the cerebral vasculature in the newborn and provides valuable information about cerebral vascular anatomy.
Aim and objectives: to discuss the value added by transcranial Doppler assessment of blood flow in major intracranial cerebral arteries to brain status evaluation in neonatal intracranial hemorrhagic and ischemic conditions by employing Doppler techniques.
Subjects and methods: This was a prospective cohort study that was carried out at Elmataria Teaching Hospital, including a convenience sample of 45 neonates. It was conducted from October 2022 to April 2023.
Results: There was a statistically significant difference between the studied groups as regard (APGAR Score 1 min and 5 min), (ACA Vs (cm/s) and ACA RI), (MCA Vs (cm/s) and MCA RI), Correlation between Severity of hemorrhagic and ischemic cerebral changes with other studied Parameters except in gestational age and body weight.
Conclusion: Ultrasonographic features and cerebral blood flow parameters are useful for the early diagnosis of HIE and help predict outcome. In the presence of more extensive hypoxic-ischemic brain injury and statistically significantly lower peak-systolic velocity (Vs) and higher resistive index (RI) in the anterior and middle cerebral arteries, the outcomes were poorer.