Buddy Wire–Supported Distal Access Catheter Advancement Technique (B-DAT) for Difficult Vertebral Artery Access: A Technical Note

Résumé fourni par la source

Objective: Endovascular treatment (EVT) of posterior circulation lesions can be technically challenging when access to the vertebral artery (VA) is difficult because of tortuosity, stenosis, or a narrow caliber. Stable advancement of the distal access catheter (DAC) is often required for safe and effective EVT; however, selective VA cannulation with a guiding catheter (GC) may increase the risk of vascular injury or compromise flow in an unfavorable anatomy. We developed a buddy wire–supported DAC advancement technique (B-DAT) to facilitate direct DAC advancement into the VA. We evaluated the feasibility and safety of B-DAT in contemporary posterior circulation EVT practice, building on the modified buddy wire concept.

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