WE have recently studied 2 patients with symptoms of cerebral ... or complete occlusion, by a vascular clamp, of the left subclavian artery proximal to the origin of the vertebral artery.

which is an infarction of the lateral portion of the medullary tegmentum. The most common cause is occlusion of the intracranial vertebral artery. Symptoms and signs are described in Table 1.

There is, however, data to allude to in a randomized trial comparing aspirin versus warfarin in the management of intracranial ... unilateral vertebral artery stenosis or occlusion is well tolerated.

Intracranial Vertebral Stenosis: Cerebral Angiogram, Vertebral - Basilar; (Left) AP view; (Right) Lateral view. Note the high grade stenosis of the distal left vertebral artery, which was the cause of ...

During the follow-up period, there were no recurrent cerebral ischemic events, including or stroke. Six (27.27%) arteries were found to exhibit angiographic re-stenosis. The clinical effect of balloon ...

1)], based on previously used nomenclature, [3] or "indirect" [ie, arterial stenosis, occlusion (Fig. 2, right vertebral artery), dilation ... because it showed a cerebral infarct.

This study was performed by injecting contrast into the right vertebra artery, which is well opacified. There is also some retrograde flow of contrast down the left vertebral artery which allows ...

A computed tomography angiography (CTA), however, shows occlusion ... all from the vertebral artery dissection. Complications after TPA or TNK for stroke include intracranial hemorrhage, cardiac ...

Using dynamic duplex ultrasonography, investigators of this prospective study found 6% of patients with rheumatoid arthritis developed positional vertebral artery occlusion associated with ...