Document Detail


Sonographic templates of newborn perforator stroke.
MedLine Citation:
PMID:  16770669     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Many paediatric strokes occur in the perinatal period. Improvement in neuroimaging has increased detection in newborns with neurological symptoms. OBJECTIVE: To define sonographic templates of neonatal stroke in the territory of perforators of the anterior choroidal artery (AChA) and the anterior (ACA), middle (MCA) and posterior (PCA) cerebral arteries. MATERIALS AND METHODS: In 24 neonates with perforator stroke, we retrospectively studied antenatal and perinatal events. Brain sonography was performed with an 8.5-MHz probe. Only hyperechoic lesions in the thalamus and/or striatum and/or centrum semiovale were included. MRI was obtained using a 1.5-T machine. RESULTS: We detected 28 perforator strokes in 24 infants (6 preterm): 5 MCA medial striate, 8 MCA lateral striate, 3 MCA centrum semiovale, 4 ACA Heubner's, 5 PCA thalamic arteries, 1 AChA, and 2 hypothalamic perforators. We attributed clinical seizures to stroke in two infants only. Catheter-related embolism (certain in three, possible in six others) and birth trauma (two) were probable causes. Specific conditions were found in six others. Only one infant (in nine evaluated) had an increased prothrombotic risk (fII mutation). In describing the lesions, we focused on the templates of infarction as seen in a parasagittal US sweep. Infarcts were confirmed by MRI in 21 patients. CONCLUSION: Our study showed that infarct topography can be evaluated reliably with brain sonography. This is important given the asymptomatic character of most lesions.
Authors:
Lyanne Abels; Maarten Lequin; Paul Govaert
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Publication Detail:
Type:  Journal Article     Date:  2006-04-28
Journal Detail:
Title:  Pediatric radiology     Volume:  36     ISSN:  0301-0449     ISO Abbreviation:  Pediatr Radiol     Publication Date:  2006 Jul 
Date Detail:
Created Date:  2006-06-13     Completed Date:  2007-01-30     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  0365332     Medline TA:  Pediatr Radiol     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  663-9     Citation Subset:  IM    
Affiliation:
Department of Neonatology, Erasmus MC-Sophia Children's Hospital, Dr. Molewaterplein 60, P.O. Box 2060, 3000 CB Rotterdam, The Netherlands. w.abels@erasmusmc.nl
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MeSH Terms
Descriptor/Qualifier:
Brain / blood supply
Female
Humans
Infant, Newborn
Magnetic Resonance Imaging
Male
Risk Factors
Stroke / etiology,  ultrasonography*

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