Neurologia medico-chirurgica
Online ISSN : 1349-8029
Print ISSN : 0470-8105
ISSN-L : 0470-8105
Case Reports
Spinal Subdural Hematoma Following Intracranial Aneurysm Surgery
—Four Case Reports—
Myoung Soo KIMChae Heuck LEESeung Jun LEEJong Joo RHEE
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JOURNAL OPEN ACCESS

2007 Volume 47 Issue 1 Pages 22-25

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Abstract
Four patients presented with rare spinal subdural hematoma (SDH) occurring after intracranial aneurysm surgery and manifesting as postoperative back pain. Magnetic resonance imaging performed from 4 to 11 days after the operation showed acute or subacute thoracolumbar SDH. No patient had risk factors for bleeding at this site (e.g., lumbar puncture, coagulation abnormality). Overdrainage of the cerebrospinal fluid (CSF) was performed for brain retraction during the operation in all four cases. Computed tomography performed during the postoperative period showed a suspicious tentorial subdural hemorrhage in Case 1 and an interhemispheric subdural hemorrhage in Case 3. All four patients received conservative management and their lumbago improved. We hypothesize that CSF hypotension due to overdrainage of CSF and downward migration of intracranial SDH under the influence of gravity were involved in the formation of spinal SDH.
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© 2007 by The Japan Neurosurgical Society

This article is licensed under a Creative Commons [Attribution-NonCommercial-NoDerivatives 4.0 International] license.
https://creativecommons.org/licenses/by-nc-nd/4.0/
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