PEDIATRIC ARTERIAL ISCHEMIC STROKE FOLLOWING MINOR HEAD TRAUMA: A THREE-CASE SERIES WITH HETEROGENEOUS IMAGING FEATURES AND PATHOPHYSIOLOGICAL MECHANISMS
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Abstract
Objectives: To describe the clinical manifestations, neuroimaging findings, etiological factors and outcomes of three young children with arterial ischemic stroke occurring after minor head trauma.
Subjects and methods: This descriptive case series included three children younger than 24 months diagnosed at the Neurology Center, Vietnam National Children’s Hospital. Clinical, imaging, etiological, treatment and outcome data were collected from medical records and follow-up visits.
Results: The patients were aged 10–23 months and all developed focal neurological deficits after minor trauma. Case 1 was a 23-month-old girl with acute right basal ganglia infarction in the lenticulostriate territory and early motor recovery after aspirin. Case 2 was a 10-month-old boy with focal seizures and right hemiparesis one day after a 70–80 cm fall; late MRI showed an old cystic lesion in the left putamen and right spastic hemiparesis persisted at five months. Case 3 was an 11-month-old boy with multifocal right anterior-circulation infarctions, narrowing of the right internal carotid and middle cerebral arteries, severe iron deficiency anemia and reactive thrombocytosis.
Conclusions: Stroke after minor head trauma in young children is clinically and mechanistically heterogeneous. Temporal association with trauma should not be interpreted as proof of direct causality. Early brain MRI, cerebrovascular imaging and systematic etiological evaluation are required
Keywords
pediatric arterial ischemic stroke, minor head trauma, basal ganglia infarction, lenticulostriate artery, cerebral arteriopathy
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References
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