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Transient Middle Cerebral Artery Occlusion Model of Neonatal Stroke in P10 Rats
07:56

Transient Middle Cerebral Artery Occlusion Model of Neonatal Stroke in P10 Rats

Published on: April 21, 2017

[Posttraumatic ischemic stroke in childhood]

M Iu Chuvhin, L L Naumenko

    Zhurnal Nevrologii I Psikhiatrii Imeni S.S. Korsakova
    |January 5, 2005
    PubMed

    Insights

    Traumatic arterial dissection in children can cause brain infarction, but outcomes are favorable. However, post-traumatic sinovenous occlusion may lead to severe venous infarction and poor outcomes, especially in deep cerebral veins.

    Area of Science:

    • Pediatric Neurology
    • Neurovascular Imaging
    • Trauma Neurology

    Background:

    • Traumatic arterial dissection is a potential cause of pediatric stroke.
    • Sinovenous occlusion can occur following head trauma in children.
    • Early diagnosis and understanding of outcomes are crucial for pediatric neurovascular events.

    Observation:

    • 14 children experienced brain infarction from traumatic carotid artery dissection; 4 from vertebral artery dissection.
    • Carotid dissection diagnosis was aided by trauma history, headache, delayed infarction, and Horner's syndrome.
    • 17 children presented with post-traumatic sinovenous occlusion, often requiring neurovisualization for diagnosis.

    Findings:

    • Clinical diagnosis of carotid artery dissection was more straightforward than vertebral artery dissection.
    • Outcomes for traumatic arterial dissection were favorable in all observed pediatric cases.
    • Sinovenous thrombosis frequently led to cortical venous infarction, with some cases involving deep cerebral veins, resulting in poor outcomes.

    Implications:

    • Prompt neuroimaging is essential for diagnosing vertebral artery dissection and sinovenous occlusion in pediatric trauma.
    • While arterial dissection has good prognosis, sinovenous thrombosis poses a significant risk for severe neurological damage.
    • This study highlights the distinct clinical presentations and prognoses of arterial versus venous cerebral infarctions post-trauma in children.

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