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V001: EXTRACRANIAL-INTRACRANIAL BYPASS WITH RADIAL ARTERY GRAFT FOR BASILAR ARTERY ISCHEMIA
Riccardo Serra, MD¹; Matthew Hentschel, BS¹; Tina Wang, MA¹; Tim Miller, MD²; Dheeraj Gandhi, MD, FACR³; Mohamed Labib, MD¹; ¹Department of Neurosurgery, University of Maryland School of Medicine; ²Department of Interventional Radiology, University of Maryland School of Medicine; ³Department of Diagnostic Radiology, University of Maryland School of Medicine

We describe the surgical management of a patient with intractable basilar ischemia with repeat 80% artery stenosis at the right vertebrobasilar junction. A complex EC/IC high-flow bypass design utilized a radial artery graft to the P2 segment of the posterior cerebral artery via a right orbitozygomatic craniotomy with anterior clinoidectomy. Distal and proximal anastomoses were made under burst suppression and systemic heparinization. Doppler and indocyanine green angiography confirmed graft patency and robust flow augmentation. 

 

 

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