Abstract
Percutaneous transluminal angioplasty (PTA) was performed on the stenotic lesions of subclavian and proximal vertebral arteries. Successful dilatation was achieved in 14 of 14 cases of subclavian artery stenosis and in 6 of 8 cases of proximal vertebral artery stenosis. Re-stenosis occurred one year after PTA in one case of subclavian artery stenosis, but no other complications occurred. In these 7 cases, vascular endoscopy was applied before PTA and all occlusive lesions were found to be round smooth-surfaced lumen. Therefore, we conclude that PTA is a very safe alternative method of immediate treatment for stenotic lesions of subclavian and proximal vertebral arteries.
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