Dialysis Arteriovenous Fistula Causing Subclavian Steal Syndrome in the Absence of Subclavian Artery Stenosis

Figure 1

(a) Lateral right subclavian artery angiogram (cranial view) demonstrating occlusion of the right VA with distal reconstitution (1) through muscular branches of the right ascending cervical artery (2). (b) Left subclavian artery angiogram demonstrating normal subclavian artery caliber and a stump at the left vertebral origin with no antegrade VA flow. (c and d) Anteroposterior right common carotid angiogram (cranial and cervical views, resp.) demonstrating flow through the p-comm. artery with retrograde filling of the basilar and left VA down to the level of the subclavian artery.

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