Doppler method in the diagnostics of patients with ischaemic brain lesions

Transcranial color Doppler is a noninvasive diagnostic procedure for investigation of cerebral blood flow in newborns and infants with perinatal focal ischaemic lesions. In the acute stage of infarction, brain ultrasonography shows hyperechogenicity of brain parenchyma at the site of the infarction. Transcranial color Doppler shows absent cerebral blood flow in the ischaemic artery. After the recanalisation phase, if the infarction was situated in the main branch of the middle cerebral artery, Doppler shows reduced cerebral blood flow. If infarction was situated in the lenticulostriatal or cortical branches of the middle cerebral artery, Doppler shows normal blood flow or its early normalization. So, brain ultrasonography and transcranial color Doppler are the first steps in the diagnostic algorithm of focal ischaemic brain lesion in newborns and infants, but it has to be confirmed by brain magnetic resonance imaging.
Keywords: CEREBROVASCULAR ACCIDENT – etiology, diagnosis, ultrasonography; BRAIN ISCHEMIA – etiology, ultrasonography; CEREBRAL INFARCTION – etiology, ultrasonography; ULTRASONOGRAPHY, DOPPLER, COLOR; ULTRASONOGRAPHY, DOPPLER, TRANSCRANIAL
Category: Review
Volume: Vol. 51, No 4, october - december 2007
Authors: V. Đuranović, V. Mejaški-Bošnjak, L. Lujić, J. Leniček Krleža, D. Cohen Herak, G. Krakar, D. Lončarević, T. Gojmerac
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