Percutaneous transluminal angioplasty for treatment of subclavian steal.

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Abstract
Twenty-two patients with subclavian steal were treated with percutaneous transluminal angioplasty (PTA). Fifteen had unilateral stenosis of the subclavian artery, 1 had severe stenosis on the left and total occlusion on the right, 5 had total subclavian occlusion on the left and 1 had total occlusion of the innominate artery. All subclavian stenoses as well as the occluded innominate artery were successfully dilated, resulting in correction of subclavian steal; however, attempts to recanalize the totally occluded subclavian arteries failed. No restenosis of successfully treated arteries was observed during 5 yr of follow-up. PTA is apparently recommended as the treatment of choice for subclavian steal due to severe stenosis; however, total occlusion requires bypass surgery.

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