Blood may reach the basilar artery via one vertebral artery ... symptoms clearly pointing to insufficiency of the vertebral-subclavian system alone. The occlusive lesions in these patients may ...

but there was no reduction in stroke in the basilar artery territory or benefit for vertebral artery stenosis or posterior circulation disease in general. Results of ongoing prospective randomized ...

Symptomatic atherosclerotic disease of the vertebrobasilar system is often under diagnosed as a result of the often nonspecific symptomatology and the difficulty of interpreting the origins of the ...

Typically, two vertebral arteries join and form the basilar artery. The vertebrobasilar system supplies the brainstem and has branches to the cerebellum. The basilar artery typically bifurcates ...

Blood from the opposite vertebral artery is siphoned into the ipsilateral ... of the absence of a pressure gradient in the vertebrobasilar system. However, at least 1 case is reported with such ...