It can identify a significantly elevated velocity in the proximal subclavian artery (i.e., >300 cm/s), as well as a change in its waveform from the normal triphasic appearance to a more biphasic ...

a combined intervention with right subclavian artery transposition, distal or proximal lusorian artery ligation or proximal endovascular occlusion for nonaneurysmal disease, or endovascular ...

Occlusion or stenosis of the subclavian arteries proximal to the vertebral artery was observed in 56 (35 per cent) of our patients. Eighteen patients (11 per cent) had complete subclavian-artery ...