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Rapid ventricular overdrive pacing and other advanced flow-control techniques for the endovascular embolization of vein of galen malformations

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FRONTIERS IN PEDIATRICS
卷 11, 期 -, 页码 -

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FRONTIERS MEDIA SA
DOI: 10.3389/fped.2023.1082318

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vein of galen malformation; embolization; rapid ventricular pacing; arteriovenous malformation; flow control; endovascular treatment; onyx (R); nBCA

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Endovascular embolization is the primary strategy for managing vein of Galen malformations (VOGM). However, these malformations remain technically challenging due to high-flow arteriovenous shunts. Advanced flow-control techniques, including regionally targeted and global methods, can be used to increase the safety and efficacy of endovascular treatment. Each strategy has unique advantages and disadvantages, emphasizing the importance of a patient-specific approach.
Endovascular embolization is the primary strategy in the management for vein of Galen malformations (VOGM). However, despite significant advances in endovascular embolization technologies and techniques, VOGMs remain very technically challenging lesions largely due to the high-flow arteriovenous shunts present in these malformations. A variety of advanced flow-control techniques can be implemented to mitigate the risk of venous escape and increase the safety and efficacy of endovascular treatment. These techniques include regionally targeted strategies (transvenous embolization and balloon-assisted transarterial embolization) and global flow-control methods (pharmacologic cardiac arrest and rapid ventricular overdrive pacing). Each of these strategies are associated with unique advantages and disadvantages, highlighting the importance of a patient-specific approach when treating these challenging lesions.

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