American Journal of Roentgenology, Vol 160, 631-635, Copyright © 1993 by American Roentgen Ray Society

ARTICLES

Balloon angioplasty above the aortic arch: immediate and long-term results

JB Selby Jr, AH Matsumoto, CJ Tegtmeyer, GD Hartwell, CG Tribble, TM Daniel and IL Kron
Department of Radiology, University of Virginia Health Sciences Center, Charlottesville 22908.

OBJECTIVE. Angioplasty above the level of the aortic arch is becoming more common, and the indications for it are increasing. We report our experience with this procedure, including life-table analysis of the long-term results. MATERIALS AND METHODS. We dilated 32 lesions in 29 patients. Early in our series, patients were referred primarily because of arm claudication or vertebrobasilar insufficiency. Subsequently, the indications were expanded to include inflow to left internal mammary- coronary artery bypass grafts, inflow to axillobifemoral bypass grafts, and inflow to dialysis fistulas in the upper extremity. A femoral artery approach was used in 18 patients and an axillary approach was used in 11. Clinical follow-up included evaluation of symptoms and bilateral measurements of peripheral pulses and blood pressure. Follow- up angiograms were obtained in nine patients. RESULTS. Eighteen of the lesions dilated were located in the left subclavian artery, eight were in the right subclavian artery, four were in the axillary or proximal brachial artery, and two were in the innominate artery. Interestingly, three of eight right subclavian arteries treated had an anomalous origin from the arch of the aorta. Initial technical success was 100%. All 29 patients had long-term follow-up of 4-88 months (mean, 36 months). In one patient, stenosis recurred 8 months after angioplasty. This patient subsequently had redilatation. Life-table analysis projected a 7.5-year cumulative primary patency rate of 96.6%. No cerebrovascular complications or embolic events occurred. CONCLUSION. Angioplasty of the great vessels is safe and effective, and the long- term results are favorable when compared with results after surgery. As a result, the indications for this procedure should be broadened.
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