subclavian steal syndrome

Subclavian steal syndrome (subclavian steal syndrome) refers to partial or complete occlusive damage in the proximal segment of the subclavian artery or brachiocephalic trunk at the beginning of vertebral artery. Due to siphon effect (steal blood), the blood flow in the affected vertebral artery is retrograde and enters the distal segment of the affected subclavian artery, resulting in ischemia of vertebral-basal artery...