Abstract
Background
Spinal dural arteriovenous fistula (d-AVF) is the most common spinal vascular malformations. Management includes endovascular embolization, and/or surgical obliteration of the shunt.
Method
Applied to spinal d-AVF, mini-invasive surgical (MIS) obliteration is described as a mini-open approach using Mast Quadrant™ system. Important anatomical landmarks are reviewed. Indications, advantages, and limitations are discussed, and a step-by-step description of the procedure is presented.
Conclusion
MIS is a good solution to treat d-AVF with a good outcome.
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Abbreviations
- CT:
-
Computed tomography
- d-AVF:
-
Dural arteriovenous fistula
- min:
-
Minute
- MIS:
-
Mini-invasive surgery
- MRI:
-
Magnetic resonance imagery
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Key points
1. Spinal d-AVF are the most common spinal vascular malformations.
2. Treatment is essential to prevent symptom progression and promote recovery.
3. Spinal arteriography is the gold standard test to diagnose spinal d-AVF.
4. Identifying the level of d-AVF and the great Adamkiewicz artery is paramount.
5. When endovascular occlusion is not possible, surgery is the alternative.
6. MIS technique is safe and efficient.
7. Exclusion of the d-AVF is performed with a clip proximal to the shunt and distal coagulation and cutting.
8. Preoperative implantation of a radiopaque marker can be carried out by radiologists to avoid error level especially in thoracic region.
9. Fluorescein angiography is performed to better visualize the d-AVF.
10. Watertight closure of the dura is essential.
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This article is part of the Topical Collection on Vascular Neurosurgery - Arteriovenous malformation
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Albader, F., Serratrice, N., Farah, K. et al. Minimally invasive microsurgical treatment of spinal dural arteriovenous fistula: how I do it. Acta Neurochir 164, 1669–1673 (2022). https://doi.org/10.1007/s00701-022-05200-2
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DOI: https://doi.org/10.1007/s00701-022-05200-2