Abstract
In a controlled study serial determinations of cerebral blood flow velocity using Doppler ultrasound and repeated real-time ultrasonographic- or computerized axial tomographic studies of the brain were performed in 17 (nearly) full-term newborns who experienced perinatal asphyxia and in 17 healthy matched controls during the first week of life. A higher cerebral blood flow velocity was found during the first 4 days of life, indicating a lower cerebrovascular resistance in the asphyxiated infants compared to the control infants. These haemodynamic changes coincided with cerebral oedema and neurological abnormalities. It is speculated that the changes in the cerebral circulation in asphyxiated infants are at least partly caused by cerebral oedema-induced increase of intracranial pressure due to severe perinatal asphyxia. Serial Doppler ultrasound investigations of the brain may be a useful non-invasive method for early detection and follow-up of the consequences of severe perinatal asphyxia.
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Abbreviations
- ACA:
-
anterior cerebral artery
- AUVC:
-
area under the velocity curve
- CT:
-
computerized axial tomography
- EDFV:
-
end diastolic flow velocity
- HIE:
-
hypoxic-ischaemic encephalopathy
- PI:
-
pulsatility index
- PSFV:
-
peak systolic flow velocity
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van Bel, F., van de Bor, M., Stijnen, T. et al. Cerebral blood flow velocity pattern in healthy and asphyxiated newborns: a controlled study. Eur J Pediatr 146, 461–467 (1987). https://doi.org/10.1007/BF00441595
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DOI: https://doi.org/10.1007/BF00441595