Case Report: Percutaneous intercostal artery catheterization to treat a difficult-to-access spinal dural arteriovenous fistula
F1000Research(2024)
摘要
Spinal dural arteriovenous fistulas (SDAVF) are a subtype of spinal arteriovenous malformation (AVM). Although rare, SDAVF are the most common spinal vascular malformations and have potential devastating neurologic consequences, sometimes irreversible. Originally, they were treated with surgery alone, however endovascular treatment of SDAVF has evolved recently with good results and the understanding of the anatomy plays a key role. The feeder vessel of the AV shunt is supplied by the radiculomedullary or radiculopial artery, the shunt is usually located within the root sleeve of the dura and the SDAVF is drained by the medullary vein via retrograde flow. Generally the endovascular approach uses the catheterization of the segmental arteries; however, aortic thoracolumbar aneurysms can render endovascular access difficult and risky. We present a case where an SDAVF in woman with aneurysmal dilation of the descending aorta and a mural thrombus was successfully treated through percutaneous catheterization of intercostal artery.
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