Journal
JOURNAL OF STROKE & CEREBROVASCULAR DISEASES
Volume 25, Issue 4, Pages E46-E49Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jstrokecerebrovasdis.2015.12.040
Keywords
Spinal dural arteriovenous fistula; pediatric subarachniod hemorrhage; Onyx embolization; balloon-occlusion cathete
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Objective: Spinal dural arteriovenous fistulas (DAVFs) are insidious pathologies that, if left untreated, harbor potentially devastating consequences to the central nervous system. Spinal DAVFs are rare in the adult population and exceedingly uncommon in the pediatric population. In this report, we describe a spinal DAVF in a 3-year-old child whose initial presentation is subarachnoid hemorrhage (SAH). Balloon-test occlusion and balloon-catheter-assisted embolization of DAVF have not been previously described, and their advantages over alternative embolic and surgical techniques are discussed. Methods: We performed a literature search on MEDLINE/PubMed to review current reports describing the epidemiology, clinical presentation, and treatment of spinal DAVFs. In this report, we describe a spinal DAVF in a 3-year-old child whose initial presentation is SAH. Results: A spinal DAVF was diagnosed after deciding to image not only the brain but also the spine. Using a balloon-occlusion catheter, we confirmed that the DAVF arterial feeding vessel could be safely embolized. We then proceeded to effectively treat the DAVF with balloon-catheter-assisted Onyx-18 embolization. Conclusion: Based on our report and an analysis of the literature, we propose that pediatric patients presenting with nontraumatic SAH should undergo at least a magnetic resonance imaging of the brain and cervical spine as part of their initial workup. In addition, we describe a balloon-occlusion catheter embolization technique that allows not only excellent embolic penetration of the fistula but also prevention of microcatheter reflux and lessening of the need for a tedious plug-and-stack technique.
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