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Peripheral transluminal angioplasty of the subclavian and innominate arteries utilizing the brachial approach: acute outcome and follow-up.

Percutaneous transluminal angioplasty (PTA) of the subclavian and innominate arteries was performed in 27 patients at 33 sites (30 subclavian, 3 innominate). All procedures were successful angiographically and clinically and were without complication. The ipsilateral arm was utilized in all cases. Indications for the procedure included claudication (ten patients), neurological symptoms (seven patients), to gain vascular access for other interventions (eight patients), and scheduled coronary bypass surgery with internal mammary utilization (two patients). There were 22 stenoses and 11 occlusions. Thrombi was retrogradely recovered through the arteriotomy site in three patients with vessel occlusions. No early or late episode of neurological deficit was seen. Follow-up was obtained in 22 patients (82%) at a mean time of 28 months (range, 2-73 months). The cumulative patency rate was 95%. The three restenosed sites were treated with successful repeat PTA. Angioplasty of stenotic or occluded subclavian or innominate arteries should be the procedure of choice in symptomatic patients.