In addition, in cases of subclavian steal from the vertebral artery, there is a graded system showing a progressive change in the ipsilateral vertebral artery waveform. Grade I lesions demonstrate ...

Two cases of subclavian-steal syndrome due to occlusion of the innominate or subclavian arteries are presented. The lesions were associated with partial occlusion, but without the steal phenomenon ...

There are a paucity of data in the literature regarding the natural history in patients with subclavian artery occlusive disease. The left subclavian artery is more frequently involved than the ...