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Subarachnoid hemorrhage in children.

K Sano, Y Ueda, I Saito

    Child'S Brain
    |January 1, 1978
    PubMed
    Summary

    Pediatric subarachnoid hemorrhage is often caused by arteriovenous malformations. Incomplete surgical removal of these malformations, including the surrounding vascular nidus, can lead to re-bleeding years later.

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    Area of Science:

    • Pediatric Neurology
    • Neurosurgery
    • Vascular Malformations

    Background:

    • Subarachnoid hemorrhage (SAH) in children presents unique challenges.
    • Arteriovenous malformations (AVMs) and intracerebral hematomas are primary causes of pediatric SAH.
    • Understanding the natural history and surgical outcomes of pediatric SAH is crucial.

    Observation:

    • A survey of 45 pediatric SAH cases revealed AVMs and hematomas as the cause in 73%.
    • Pediatric AVMs can enlarge due to surrounding abnormal vascular groups, termed the 'reserved nidus'.

    Findings:

    • Failure to excise the reserved nidus during AVM surgery can result in later rebleeding.
    • Surgical outcomes for subarachnoid hemorrhage in children were generally positive.

    Implications:

    • Complete surgical excision of AVMs, including the reserved nidus, is crucial for preventing recurrence.
    • Understanding AVM growth dynamics is key to improving long-term pediatric SAH management.

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