Subclavian Artery Occlusion: 4 Cases Report and Summary of Korean Literature

Occlusion or stenosis of subclavian artery by atherosclerosis is uncommon pathology compare to atherosclerosis of lower extremity. Most of the cases involve left subclavian artery and show vertebral-basilic ischemia and/or arm ischemia. Surgical intervention including bypass or transposition are performed to relieve the symptoms of obstruction but percutaneous intraluminal angioplasty and insertion of stent also be done with comparable results. Here we report 4 cases of symptomatic subclavian artery occlusion which have been managed by authors, and summarize all the cases reported in korean literature.