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Related Experiment Videos

Delayed evolution of posttraumatic subdural hygroma.

B N French, C A Cobb, G Corkill

    Surgical Neurology
    |March 1, 1978
    PubMed
    Summary
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    Delayed subdural hygromas after head trauma are uncommon and often resolve spontaneously. Surgical intervention for these "silent" hygromas shows limited benefit, suggesting conservative management may be preferred.

    Area of Science:

    • Neurosurgery
    • Radiology
    • Trauma Care

    Background:

    • Craniocerebral trauma can lead to complications, including subdural hygromas.
    • Delayed-evolution subdural hygromas are a less common sequela of head injury.
    • The optimal management strategy for these "silent" hygromas remains debated.

    Purpose of the Study:

    • To investigate the incidence and clinical course of delayed-evolution subdural hygromas following craniocerebral trauma.
    • To evaluate the efficacy of surgical intervention versus conservative management for these lesions.

    Main Methods:

    • Retrospective analysis of 1,601 patients with craniocerebral trauma.
    • Computed tomography (CT) scans were used for diagnosis and follow-up.
    • Thirteen patients with delayed subdural hygromas were identified and their outcomes analyzed.

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    Main Results:

    • Six point six percent (13/196) of patients with follow-up CT scans developed delayed subdural hygromas.
    • These hygromas appeared 6-46 days post-injury (average 22 days).
    • Surgical intervention yielded modest improvement in 30% (3/10) of cases, with no improvement in severely impaired patients; unoperated and persistent hygromas showed spontaneous resolution.

    Conclusions:

    • Delayed-evolution subdural hygromas are infrequent and often benign.
    • Surgical treatment offers limited benefit and spontaneous resolution is common.
    • Conservative management should be considered for many patients with posttraumatic subdural hygroma of delayed evolution.