Abstract
Purpose
We present a technical development of the endovascular treatment technique for vein of Galen aneurysmal malformation, using Onyx™ (ethylene vinyl alcohol copolymer) delivered under flow control through double-lumen balloon microcatheters.
Materials and methods
An 11-month-old patient that initially presented with increasing head circumference was diagnosed with mural type vein of Galen aneurysmal malformation. Complete cure was obtained in a single endovascular treatment session. Onyx was delivered simultaneously through two double-lumen balloon microcatheters (Scepter™, Microvention, Terumo Group). In both arterial feeders, balloon inflation occluded the high-flow arterial-venous shunting and thus facilitated the controlled propagation of the embolic product in the afferent artery and the shunt point while preventing distal migration into the venous system.
Results
Two years post-procedure, MR imaging showed persistent occlusion of arterial-venous shunts with complete regression of the venous dilatation. On clinical examination, the patient had no neurological deficits, and no cognitive impairment was detected at neuropsychological testing.
Conclusion
The use of double-lumen balloon microcatheters for flow control during delivery of Onyx represents a viable alternative for the endovascular treatment of vein of Galen aneurysmal malformations.
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The authors declare that they have no conflicts of interest.
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This article was written using retrospective data from anonymized patient files. No informed consent is needed.
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Pop, R., Manisor, M., Wolff, V. et al. Flow control using ScepterTM balloons for Onyx embolization of a vein of Galen aneurysmal malformation. Childs Nerv Syst 31, 135–140 (2015). https://doi.org/10.1007/s00381-014-2576-3
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DOI: https://doi.org/10.1007/s00381-014-2576-3