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KMID : 1005420220240030203
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Journal of Cerebrovascular and Endovascular Neurosurgery
2022 Volume.24 No. 3 p.203 ~ p.209
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Pathophysiology and classification of intracranial and spinal dural AVF
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Sim Sook-Young
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Abstract
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Dural arteriovenous fistulas (DAVFs) are pathologic shunts between pachymeningeal arteries and dural venous channel. DAVFs are relatively rare, however, DAVFs can lead to significant morbidity and mortality due to intracranial hemorrhage and non-hemorrhagic neurologic deterioration related to leptomeningeal venous drainage. The etiology and pathophysiology of DAVFs is not fully understood. Several hypotheses for development of DAVF and classifications for predicting risk of hemorrhage and neurological deficit have been proposed to help clinical decision making according to its natural history. Herein, incidence, etiology, pathophysiology of development of intracranial and spinal DAVF including their classifications are briefly described with short historical review.
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KEYWORD
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Classification, Dural arteriovenous fistula, Pathophysiology
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