The right subclavian artery is occluded at its origin (a). The distal portion of the right vertebral artery is filling retrogradely. The proximal left subclavian artery is partially obstructed at ...

MRA of the Aortic Arch with Contrast Bolus. This study is complementary to the standard neck and intracranial MRA. It allows visualization of the common carotids, and especially the origin of the ...

The vertebral-basilar system supplies the brain-stem, cerebellum and temporal and occipital lobes 2 ().It begins as the vertebral artery, which is the first branch of the subclavian artery.

A microcatheter was advanced over a microwire through the right VA into the left VA (Figure 4). Digital subtraction angiography (DSA) showed collaterals from the cervical left VA into the LSA ...

During head rotation, neck hyperextension and other provocative manoeuvres of the neck, the vertebral artery may be compressed at various sites along its course.1 A 63-year-old man with a history of ...

Full search strategy, selection, and exclusion criteria are described in the accompanying manuscript on clinical characteristics of VAD. To summarize, we searched MEDLINE and EMBASE for English ...

Results: The aneurysm was treated by coil occlusion of the right vertebral artery. Post-operative films showed that the aneurysm had been successfully obliterated. Conclusion: Post-traumatic ...